With diagrams compare Essay Example for Free

With diagrams compare Essay This type of communication is between the sender and the receiver is known as connectionless (rather than dedicated) Contrasted with packet-switched is circuit-switched, a type of network such as the regular voice telephone network in which the communication circuit (path) for the call is set up and dedicated to the participants in that call. For the duration of the connection, all the resources on that circuit are unavailable for other users. Voice calls using the Internets packet-switched system are possible. Each end of the conversation is broken down into packets that are reassembled at the other end. The principles of packet switching are as follow. Messages are divided into data packets, which are then directed through the network to their destination under computer control. Besides a message portion, each packet contains data concerning. The principles of packet switching are as follow. Messages are divided into data packets, which are then directed through the network to their destination under computer control. Besides a message portion, each packet contains data concerning: Â  The destination of the address; Â  The source identification; The sequence of the packet in the complete message; Â  The detection and control of transmission errors. Â  Pre-determined routing. With this method, the routing details are included in the packet itself, each switching exchange forwarding the packet according to the embedded instructions; Â  Directory routing. Each switching exchange has a copy of a routing table to which it refers before forwarding each packet. The appropriate output queue is determined from the table and the packet destination Diagram shown below: Identify three types of cabling used in data communication. State which one you would recommend in an implement requiring high security consideration and why? The three types of cables used in data communication are: Optical Fiber Coaxial Coaxial cable is a copper that is used by TV companies between the community antenna, and also the user homes and businesses. At times these cable are also used by telephone companies from their central office to the telephones near users. This is also widely installed for use in business and corporation Ethernet and other types of local area network. Coaxial cable is called coaxial this is because this includes one physical channel that carries the signal surrounded (after a layer of insulation) by another concentric physical channel, both running along the same axis. The outer channel serves as a ground. Many of these cables or pairs of coaxial tubes can be placed in a single outer sheathing and, with repeaters, they can carry information for a great distance. This is a diagram shown below: UPT UPT stands for Unshielded twisted pair. This cable is the most common kind of copper telephone wiring. Twisted pair is the ordinary copper wire that connects home and many business computers to the telephone company. To reduce crosstalk or electromagnetic induction between pairs of wires, two insulated copper wires are twisted around each other. Each signal on twisted pair requires both wires. Since some telephone sets or desktop locations require multiple connections, twisted pair is sometimes installed in two or more pairs, all within a single cable. For some business locations, twisted pair is enclosed into a shield that functions as a ground. This is known as shielded twisted pair (STP). The twisted pair is now frequently installed with the two pairs to the home, with the extra pair making it possible for you to add another line (perhaps for use of a modem) when you will need it. These twisted pair comes with each pair uniquely colour coded when it is packaged in multiple pairs. Different uses such as analogue, digital, and Ethernet require different pair multiples. Although twisted pair is often associated with home use, with a higher grade of twisted pair is often used for horizontal wiring in LAN installations because it is less expensive than coaxial cable. The wire that you buy at a local hardware store for extensions from your phone or computer modem to a wall jack is not twisted pair. It is a side-by-side wire known as silver satin. The wall jack can have as many five kinds of hole arrangements or pin outs, depending on what kinds of wire the installation you expects that will be plugged in (for example, digital, analogue, or LAN) . (Thats why you may sometimes find when you carry your notebook computer to another location that the wall jack connections wont match your plug. ) This is a diagram shown below: Optical Fiber. Optical fiber (or fiber optic) refers to the medium and the technology associated with the transmission of information as light pulses along a glass or plastic wire or fiber. Optical fiber carries much more information than the conventional copper wire and is in general not subject to electromagnetic interference and the need to retransmit signals. Most telephone company long-distance lines are now of optical fiber. Transmission on optical fiber wire requires repeaters at distance intervals. The glass fiber requires more protection within an outer cable than copper. For these reasons and because the installation of any of the new wiring is labour-intensive, few communities yet have optical fiber wires or cables from the phone companys branch office to local customers (known as local loops). A type of fiber known as single mode fiber is used for longer distances; multimode fiber is used for shorter distances. This is the diagram shown below: By analyzing and researching the three above cable I would recommend the Fiber Optic cable this is because I believe it has a high security and also has the following. Fiber optic cables have a much greater bandwidth than metal cables. This means that they can carry more data. Â  Fiber optic cables are less susceptible than metal cables to interference. Fiber optic cables are much thinner and lighter than metal wires. Data can be transmitted digitally (the natural form for computer data) rather than analogically. Identify the alternative forms of communication media and provide examples of their use in different forms of network. Microwave Microwave frequencies require a direct line of sight between sending and receiving station to operate. Microwave systems were the preferred method of communications transmission before the introduction of fiber optic. Radio The lowest-frequency domain that needed to name. This extends from wavelengths of a kilometre or so, the longest that will propagate through the interstellar medium, down to about a millimetre. The detection of radio radiation is often done using wave techniques rather than photon-counting, this is because of the low photon energies, and this offers distinct advantages for such applications as interferometer which astronomers working in the infrared and optical regimes view with some envy. From active nuclei, we often detect the synchrotron radiation in this range radiation produced energetic charged particles (mostly electrons) produce when they are deflected by the magnetic fields. a) Define the basic signal theory with the aid of diagrams? 1) In electronics, a signal is an electric current or electromagnetic field that is used to convey data from one place to another. The simplest form of signal is a direct current (DC) that is switched on and off; this is the principle by which the early telegraph worked. More complex signals consist of an alternating-current (AC) or electromagnetic carrier that contains one or more data streams. Data is superimposed on a carrier current or a wave this is by means of a process called a modulation. Signal modulation can be done by two main ways: analogue and digital. In recent years, digital modulation has been getting more common, while analogue modulation methods have been used less and less. There are still plenty of analogue signals around, however, and they will probably never become totally extinct. Except for DC signals such as telegraph and base band, all signal carriers have a definable frequency or frequencies. Signals also have a property called wavelength, which is inversely proportional to the frequency. 2) In some information technology contexts, a signal are simply that which is sent or received, thus including both the carrier and the data together. 3) In telephony, a signal has a special data that is used to set up or control communication. Almost everything in the world can be described or represented in one of two forms: analogue or digital. The principal feature of analogue representations is that they are continuous. In contrast, digital representations consist of values measured at discrete intervals. Digital watches are called digital because they go from one value to the next without displaying all intermediate values. Consequently, they can display only a finite number of times of the day. In contrast, watches with hands are analogue, this is mainly because the hands move continuously around the clock face. As the minute hand goes around, it not only touches the numbers 1 through 12, but also the infinite number of points in between. Early attempts at building computers used analogue techniques, but the accuracy and reliability were not good enough. Today, almost all computers are digital. Analogue and Digital Technology Analogue and Digital are the words we hear when people talk about Communication and Information Technology. What do the words Analogue and Digital mean? Analogy means a likeness between two things that are really quite different. For example the analogy between the brain and the computer or the heart and a pump. Digit means either a finger or toe, or one of the numbers 1 to 9. Some examples might help to explain what analogue and digital mean in technology. A simple example of analogue and digital technology Clocks are examples of analogue and digital technology. An analogue clock face can display the time without numbers. The hands keep moving all the time and they continue to rotate, just like the earth around the sun. This is the analogy between the movement of the sun and earth, and the hands of the clock. The digital clock displays the time in numbers, and the time displayed only changes at each minute. In the analogue clock the hands keep moving all the time, while the digital clock is more like an on and off movement. Each minutes the time moves and then stops for another 60 seconds, when it changes again. Some other examples of displaying information using analogue and digital forms. b) How the signal theory affects the choice of transmission methods and media? Analogue and Digital Signals Sound can be converted into analogue and digital electrical signals. Analogue Signal A microphone or handset of a telephone will convert sound into an analogue signal. The shape of the wave seen on an oscilloscope represents the volume and pitch. The diagram is shown below: This is called an analogue signal because, when the volume and pitch change, so does the shape of the wave. The signal is an analogue of the sound. Digital signal Today we see many sound systems described as digital. This means the sound is converted into digital signals so it can be transmitted or recorded. In the microphone example shown on the diagram above, the analogue signal is converted into a digital signal by electronic circuits. In a digital signal the electricity, this can be either on or off, is combined with a binary code. The voltage of the analogue signal is measured electronically, many thousands of times per second, by an analogue-digital converter. The analogue signal is converted into a 16 bit binary number, which gives 65,536 levels of voltage. In electronics 1 = ON and 0 = OFF. This means the binary number can be converted into an electrical signal. A diagram below shows the process of converting analogue signals into a binary numbers and digital signals. To keep the explanation simple the analogue signal has been converted into a 3 bit binary number, which means there are seven voltage levels. A digital-analogue converter reverses the conversion this is because the speakers (output device) need an analogue signal. Light and sound can be converted into binary numbers and digital signals that are used to record and transmit information. This diagram is shown below: Why are digital systems better than the analogue ones? An analogue signal is affected by changes in the voltage as it travels along a wire. If the voltage changes, so does the signal at the output. The digital signal is not affected by changes in the voltage this is because all that matters is whether it is ON or OFF. How signal affects transmission methods? Noise is any sound on the CD or record that wasnt there at the performance during the recording session. More generally, it is any unwanted signal that adds on to the information that is being transmitted. When a vinyl record is being made, noise is introduced at every step of the recording process, although of course the company makes an every effort to reduce such noise to as low a level as possible. The sound that reaches the microphones is converted into an electrical signal that is then recorded on a wide magnetic tape moving at high speed. This tape is then used to control the cutting of a master disc, from which moulds are then made. These in turn are used to mass-produce the records that are eventually sold in shops. Noise is produced at every step, not forgetting that introduced by your own stereo equipment. It can never be entirely eliminated. The same problems of noise are shared by any method of transmitting information, and are certainly by telecommunications, including telephone calls. In the production of vinyl records, the companies have used purely analogue this means to transfer the information representing the sound of the music from one point to another. That means they use an electrical signal that changes smoothly in strength, exactly modelling the smooth but complex changes in the sound. When a noise is created in the recording process because of tape hiss, dust on the master disc, electrical interference or any other cause this is added on as a random signal on top of the complex electrical signal representing the sound. There is no way that electronic equipment can tell such random noise from the original electrical signal, so there is no way it can be removed again without removing some of the original signal. We can see more clearly if we draw a graph of the level of the analogue audio signal over a period of time (diagram 1a). The shape of this graph represents both the changes in the electrical sound and the changes in the electrical signal that model it. Now if we add to this audio signal some random noise, this affects the shape of the signal, and this degrades the sound that your stereo reproduces (diagram 1b). The trouble with an analogue audio signal is that its exact shape has to be preserved if you are to hear the music exactly as it was when it was played. If there were a means of transmitting the signal so that only the overall shape of the signal mattered, then noise would not be so important. The port authorities used to find the shape of the bottom of the harbour, so that ships could navigate more safely. It certainly wasnt possible to drain the harbour and take a photograph of it, so what they did instead was send out a boat which travelled slowly across the harbour. Every few meters a person at the back of the boat dropped down a plumb-line (a weight at the end of a rope), until it reached the bottom of the harbour. The line had knots tied in it at regular spaces and the person called out the number of knots under water, so indicating the depth of the harbour at that point. A clerk wrote these down, and eventually it was possible for him to draw a graph of the shape of the harbour by using these numbers. The person in the boat had been taking samples of the depth of the harbour at frequent intervals, so that the graph would accurately describe the ups and downs of the harbour bottom.

Lifestyles Fitness Center :: Business Marketing Management Essays

Executive Summary In 1995, Lifestyles Fitness Center was formed to provide a full service fitness center to provide for all segments of the populace in Lifestyles Fitness and the surrounding area. Although there is an existing work out center in Lifestyles Fitness, the existing facility does not provide the support for the senior members of the community. Our mission is to provide a center that will provide not only an area for dedicated weight lifters, but also for the person seeking to maintain fitness. We want to provide a center that supports aerobic, cardiovascular, and weight training for all segments of the community. The ability of Lifestyles Fitness to provide both an indoor track combined with certified training is a capability unique to private fitness centers in this area. The center will also provide showers and changing rooms for their clients to use. The center will also provide workout apparel for each individual (if preferred). This service will expand the marketability of Lifestyles Fitness. We have also added to our existing services. We have developed plans to introduce a health and protein drink bar and provide exotic coffees for customers. In addition, we also offer a nutritionalist and a cafeteria. It is considered that this will also provide an area that the cliental can cool down, relax and get the proper nutrition after a work out. This will also provide additional income for the center. Management Our management team consists of persons with a broad background in both the fitness area and business management, and it is fully supported by the Institute for Entrepreneurial Studies and Development and Small Business Development Center at Colorado State University. The management staff consist of Old McDonald CEO and supervisor of training, Dad McDonald director of Marketing, Dad McDonald III assistant director of facilities, and Mom McDonald Vice president. Old has a broad background in the fitness training industry, currently carrying a training certification from the AAIA/ISMA. He is currently working on a degree in business with emphasis on the fitness industry. He has held several different titles in both track and field and football. In high school he was selected as All-American Football Linemen, was All-State his junior and senior years in track and his senior year in football, and was All-Conference his freshmen year in college. Dad has a BS, MS, and EdS degree, and is currently working on specialized training in industrial marketing.

Marie Curie: Radioactivity and X rays Essay

Marie Curie was born Marie Sklodowska on November 7th, 1867. She was born in Warsaw, Poland (â€Å"Marie Curie – Biography† par 1). Curie received her education from local schools; but her knowledge of science from her father. She obtained â€Å"Licentiateships in Physics and the Mathematical Sciences† from Sorbonne University, in Paris (â€Å"Marie Curie – Biography† par 1). Curie also received her Doctor of Science degree at Sorbonne as well. Marie Curie married Professor Pierre Curie after meeting him during university. The two wed within the year that they met. (â€Å"Marie Curie – Biography† par 1). Marie Curie, with the help of her husband Pierre Curie, and with past discoveries of Antoine Becquerel, discovered radioactivity, which explained the creation of the x ray. It first started off with Antoine Becquerel, a French physicist. â€Å"Becquerel was familiar with the work of Wilhelm Conrad Roentgen,† which were the photographs that Roentgen had taken (Peters and Slowiczek par 3). These photographs were unique in their kind. One of the photographs that were taken was one of his wife’s hands, complete with her ring. This photo showed the skeletal structure of her hand, and the ring that was placed on top (Peters and Slowiczek par 4). Roentgen’s wife placed her hand in the path of x rays, which Roentgen created himself. He created x rays â€Å"by beaming an electron ray energy source onto a cathode tube.† (Peters and Slowiczek par 4). These â€Å"photographs† intrigued Becquerel, inducing him to research the phenomena of florescence and phosphorescence. In March of 1896, he discovered that florescence and phosphorescence were similar to each other; as well as to x rays, but there is also an important difference. The difference between the three was florescence and x rays stopped, when the starting energy force was halted; but the phosphorescence continued (Peters and Slowiczek par 5). A similarity between the three was the energy was initially derived from an outside source (Peters and Slowiczek par 5). Becquerel tried to harness the sun’s energy; making it the initial source of energy for the different rays, but that was not possible. Source: National Health Museum He put his wrapped photographic plates away in a darkened drawer, along with some crystals containing uranium. Much to his Becquerel’s surprise, the plates were exposed during storage by invisible emanations from the uranium. The emanations did not require the presence of an initiating energy source–the crystals emitted rays on their own! Although Becquerel did not pursue his discovery of radioactivity, others did and, in so doing, changed the face of both modern medicine and modern science. (Peters and Slowiczek par 6). Following up on Becquerel’s research; the Curies, Marie and Pierre, begun a life commitment to radioactivity research. Marie Curie stated that â€Å"The subject seemed to us very attractive and all the more so because the question was entirely new and nothing yet had been written upon it.† when it came to radioactivity (Peters and Slowickez par 7). The Curies used Becquerel’s note on how air could be a conductor of electricity because of uranium, as well as using sensitive instruments created by Pierre and his brother. On February 17, 1898, an ore of uranium, pitchblende, was tested by the Curies. Time and time again, the result was that the pitchblende created a current 300 times stronger than pure uranium. The Curies thus came up with the conclusion that an active unknown substance, as well as the uranium, still exists in the pitchblende (Peters and Slowickez par 8). The â€Å"hypothesized† element was named polonium, in honour of Curie’s native land, Poland; they labelled this element â€Å"radio-active,† as well as introducing this term. The Curies were able to extort enough polonium and radium, which is another radioactive element, establishing the chemical elements of both. Marie Curie worked alongside Pierre, â€Å"to establish the first quantitative standards by which the rate of radioactive emission of charged particles from elements could be measured and compared† even after her husband died (Peters and Slowickez par 9). Curie also managed to discover that there was a decrease in the radioactivity, and it could be predicted, since can be calculated; as well as the realization of which radiation is atomic property of matter, rather than a separate independent emanation (Peters and Slowickez par 9). The scientific discovery of x rays and radioactivity addressed global issues. The global issue that mainly x rays addressed is health care. X rays affected, and still effects health care because of what it was designed to do. This helps doctors determine many things, such as broken bones, tooth decay, and anything relating to the bone structure of someone, or animal. Radioactivity helped humans in a couple of ways as well. There are a couple of uses for radioactivity today. One of the uses is to create nuclear energy, which in the end is used to create electricity. Another use for radioactive materials is radiation. Radiation is used to treat cancer patients; in hope of killing the source of cancerous cells, and removing the cancer from someone’s body. The discovery of x rays and radioactivity did indeed help solve a problem; and benefited the global community. One problem that radioactivity solved was an energy issue. Radioactivity provided scientists with a new method of energy that was more environmentally friendly than combusting petroleum. This method is nuclear power plants. Nuclear power plants harness the energy that is released from a type of uranium or U-235 (â€Å"EIA Energy Kids – Uranium (nuclear).† par 5). X rays have benefited mankind in the world of medicine, as well as safety. X rays are now available in hospitals. X rays can check for broken bones, fractures, tooth decay, and other bone related issues. X rays are not only used in hospitals. Airports around the world use x rays to check baggage over; making sure that there are no dangerous weapons stored in luggage; or any illegal drugs; etc. (Eaton par 3). Source: Fast Company For every invention or discovery, there are advantages and limitations. The advantages of x rays and radioactivity are numerous. X rays can detect bone damage, artery damage and supply airports with safety measures. Radioactivity is used to harness the energy of U-235 to create nuclear power for a source of electricity, as well as radiation treatments. The limitations of x rays and radioactivity include raise the risk of cancer infecting the body, damaging the cells, causing cell mutations, birth defects, among other things as well (â€Å"Pros and Cons of X-rays† par 2). Scientists’ contributions have improved some aspects of society. One aspect of society would be politically. X rays are now being used in airports to check baggage for any weaponry; or anything that could be made into an explosive. All of these measures are being taken due to the terrorist bombing of September 11, 2001. Security measures have tightened up since then, and are becoming stricter ever since, since there are increasing amounts of terrorist threats to hijack planes, or bomb planes (Eaton par 7). Another contribution that is effected is social aspects. X rays and radioactivity affect people’s health in numerous ways. They can either help damage a person’s health, or help correct. Radioactivity can cause mutations, birth defects, and many other problem, while an x ray can help correct a broken bone, or decaying tooth by showing the area of damage, so doctors can take proper procedures. Works Cited Eaton, Kit. â€Å"Full-Body Scanners at Airports: The Good, the Bad, and the Ugly | Fast Company.† FastCompany.com – Where Ideas and People Meet | Fast Company. Fast Company, 30 Dec. 2009. Web. 17 May 2010. . â€Å"EIA Energy Kids – Uranium (nuclear).† Energy Information Administration – EIA – Official Energy Statistics from the U.S. Government. Energy Information Administration. Web. 16 May 2010. . â€Å"Marie Curie – Biography.† Nobelprize.org. Nobel Prize. Web. 14 May 2010. . Peters, Pamela M., and Fran Slowiczek. â€Å"The Discovery Of Radioactivity: The Dawn of the Nuclear Age.† Access Excellence @ the National Health Museum. National Health Museum. Web. 15 May 2010. . â€Å"Pros and Cons of X-rays.† The Brunei Times. 4 Dec. 2007. Web. 17 May 2010. .

Communism And Its Effects On America s Freedom And...

During the 1950’s, Communism was a major fear that Democratic nations such as America were afraid of because of its radical ideas. The actions taken due to the Red Scare and the rise of McCarthyism were necessary and completely justified to protect America’s freedom and government from Communist power. With an increase of Communistic nations invading other countries and forcing their ideas upon them there was an uproar of fear in the United States. The Domino Theory was a legitimate fear of if one nation falling to communism, every nation around it would fall as well. Focusing their attention to VIetnam especially, America increased military control in these regions. Multiple Legislative actions taken by the United States such as the creation of the HAUC and the Espionage and Sedition acts were necessary to stop threats to America’s freedom. The heated tensions between the Soviet Union and the United States during the Cold War contributed to the fear of an attac k from the East. Senator McCarthy’s convincing accusations lead to many accurate accusations as well as the rise of McCarthyism. Valid points were brought up about president Roosevelt’s New Deal policies of having capitalistic characteristics. While some actions did take away the civil liberties of some Americans, and were not always accurate, they were necessary to protect American Democracy, as well as the safety of the citizens. The Red Scare of the fifties was a very controversial time in American history. TheShow MoreRelatedCommunism : An Intriguing Theory899 Words   |  4 PagesCommunism could be an intriguing theory, especially to a poor developing country. A society where not one person is superior to another, where everyone shares products of their labor, and where the government provides for their people by providing employment and medical care for all. 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Separation of Powers in Australia - Free Essay Example

Sample details Pages: 6 Words: 1684 Downloads: 3 Date added: 2017/06/26 Category Politics Essay Tags: Australia Essay Did you like this example? 1. Explain the Doctrine of the Separation of Powers and how it operates in Australia. (350 words) The doctrine of the separation of powers is a political system used in Australia, where the institutions of government are divided into three main branches. Don’t waste time! Our writers will create an original "Separation of Powers in Australia" essay for you Create order These include the executive, legislative, and judicial(Greenfeld, 2012). The legislature includes the parliament that is responsible of making the laws of the country. The executive includes the ministries that are responsible of putting the laws made by the legislature into operation. The judiciary, which made up of the courts, is responsible of giving interpretation to the laws. The doctrine of separation of powers is usually said to be a cornerstone to fair governance.in Australia, this doctrine is puts together the uncomplicated democratic concepts that are part of the Westminster system, the version of power separation of United States, and the responsible government doctrine. Separation of powers has been a highly complicated issue in Australia due to the fact that it has not been totally described where the ultimate power lies within the political system of Australia. It has been difficult to argue out whether there is an overlap between the different branches of the doctrine of separation of power in Australia, although between these different branches, there is a visible common ground. In Victorian Stevedoring General Contracting Co Pty Ltd Meakes v Dignan, the high court ruled that it was not practical to have a division that is strict between the executive and the legislature; hence re-affirming this to be outlined in the constitution(Carney, 2000).Little distinction exists between the Australian legislature and executive as seen in the above case.Members of the executive of Australia are actually members of the Parliament. The Governor-general is responsible of appointing the executive and judge of the high court, yet he is part of the Parliament(Greenfeld, 2012). From the Australian constitution, section 64 provides that the members of the executive who are federal ministers must be part of the parliament(Carney, 2000). This establishes a clear connection between the legislature and the executive, hence eliminating the total separation of the e xecutive and legislature as seen in the American system. TheAustraliansystem of separation of powers stipulates thatthe political branches are not supposed to interrupt judicial activities. 2. Is there a true separation of powers between the institutions of government in Australia? (350 words) The separation of powers phenomenon between the Australian institutions of government is not clear. There is no true separation between the executive and legislature. This means that there is no true separation between the institutions of government. This is evident with the fact that the members of the executive must be members of the Parliament. On the other hand, the federal judiciary of Australia has strictly protected its independence from the legislature and the executive. This means that in the case of the judiciary, there is a true separation with the other branches of government.New South Wales v Commonwealth Wheat case in 1915, the high court came up with a decision that strict protection of the power of the judiciary was very fundamental in the constitution(Greenfeld, 2012). This protection was to be granted to commissions and tribunals that were formed by the legislature. This protection goes both ways where the political branches are not to interfere with the work of the judiciary, and at the same time, the judiciary should not interfere with the legislature and executive. Some people will argue their case that the fact that the judges of the high court are selected by the Governor-General, who is a member of the executive; there is still no true separation of the judiciary and the other two branches. This is because the leadership of the judiciary is totally affected by the executive that nominated the judges, and at the same time, the executive member that selected the high court judges is part of the legislative. Where the power lies within the Australian system has been a controversial issue for a long while. The effect brought about by the stro ng party discipline has led to the executive dominating the legislative. There is a visible overlap of the legislative and executive branches in the above case hence there is no true separation between the two branches. Comparing the American phenomenon of separation of power and the Australian phenomenon, one may find that the Australian separation of power is not as strict as the American separation of power. In the American system, the legislative is totally different from the executive unlike in Australia. 3. Choose another country (either a common law or civil law jurisdiction) to explain how the Doctrine of the Separation of Powers operates in that other country compared to Australia. (800 words ) The doctrine of the separation of powers in the United States of America is quite different from the Australian case, hence my choice of comparison to the Australian doctrine.In America, the legislative, judicial and executive branches of government are very distinct from each other. This is to prevent the abuse of power, and hence the philosophy of separation of power was very crucial in the formulating of the constitution of United States(Hunter-Schulz, 2005). The separation of power that is administered in America is closely associated to checks and balances system. Regarding the American legislative power, the congress is the branch of government that has sole power to do legislation duties. the non-delegation doctrine does not allow the congress to give its responsibility of law making to any other branch of government. This is different from the Australian case where the law makers are part of the executive. The executive branch in the USA is conferred, with qualifications and exceptions in the president. Section 2 of the American Constitution states that the President is the Commander in chief of the Navy and the Army, with a responsibility of appointing people into office and making treaties on behalf of the nation(Spindler, 2000). The presi dent is also supposed to receive public Ministers and ambassadors with the Senateà ¢Ã¢â€š ¬Ã¢â€ž ¢s consent, and also make sure that the laws of the nation are executed faithfully. This means the president is required by the constitution to enforce the laws personally, but through subordinates. The congress may terminate appointments done by the president and in addition, the president executes whatever that is given to him by congress(Spindler, 2000). From the above explanation, the American doctrine of separation of power is very clear between the executive that includes the president, and the legislature that includes the congress(Spindler, 2000). This is a completely different scenario in Australia where the constitution totally links the executive to the legislature. As seen in the American perspective, the executive is not part of the legislature as is the case in Australia. The duties of the two branches are completely distinct in the American phenomenon. In addition, there is a lot of control of power in the American scenario since the ultimate objective of each branch of government is to check the power of the other branches(Hunter-Schulz, 2005). Even the presidentà ¢Ã¢â€š ¬Ã¢â€ž ¢s power is greatly checked by the congress since he is no supposed to do anything without the consent of the congress.in Australia, the political parties greatly determine the decisions of the executive since it is through parties that the executive members get into leadership. The power of the judicial branch of the American government is more or less similar to that of the Australian government. It has the power to interprete the law in addition to deciding cases. the power of the judiciary is completely differentiated from the rest of the branches just like in the case of the Australia(Hunter-Schulz, 2005). In America, the executive is responsible of appointing the judges of the judges but under the consent of the senate. This is quite similar to the Australian judic iary where the judges are also selected by the executive. A case where an overlap of government branches of legislature and judiciary is in legislative courts formed by the Congress. On the contrary, there is no overlap because the legislative courts do not have a responsibility of exercising the judicial power. The work of the legislative court is the adjudication of questions regarding public rights. It is clear that the American constitution has gone a long way in ensuring that one branch of the government does not delegate its duties to another branch of government as it may, at times, be the case of the legislative and executive branches of the Australian government. The big argument in the Australian separation of power regarding where power lies is not the case in the American phenomenon. Equality of the executive, judiciary, and the legislature is what the constitution of America stipulates. Although in some cases, for instance, at the time when the republican governme nt is in power, the legislature is usually dominates(Gerangelos, 2009). It is a shared view between America and Australia that historically, the judiciary has always been seen as the weakest branch as compared to the legislative and executive. The fact that the judges that work in the judiciary are selected by another branch, which is the executive, proves that the judiciary may be weaker than the other two branches(Greenfeld, 2012). It is safe to conclude that the doctrine of separation of powers in the Australian system is quite different from the American system due to the difference in the system of governance. The judiciary in both scenarios has its seclusion from the other two branches although at the end of the day it may be portrayed as the weakest of the three government branches. References Carney, G. (2000). Separation of Powers in the Westminster System. Australasian Study of Parliament Group, 1-8. Gerangelos, P. (2009). THE SEPARATION OF POWERS AND LEGISLATIVE INTERFERENCE IN JUDICIAL PROCESS. CONSTITUTIONAL PRINCIPLES AND LIMITATIONS, 862-865. Greenfeld, M. (2012). THE ASYMMETRY OF THE SEPARATION OF POWERS. The Western Australian Jurist, 233-245. Hunter-Schulz, T. (2005). Rule of law, separation of powers and judicial decision making in Australia. The National Legal Eagle, 1-6. Spindler, G. (2000). Separation of Powers: Doctrine and Practice. Retrieved May 6, 2014, from Parliament of New South Wales: https://www.parliament.nsw.gov.au/prod/parlment/publications.nsf/key/SeparationofPowers

The Medical Model, Community Model And The Crime Control...

Community corrections is continually changing and has been for the past one hundred years. From the early to mid-twentieth century onward it has used three major models, the medical model, community model, and the crime control model. The major turning point for the American community corrections system that led to corrections as we know it today was in 1974 when What Works? - Questions and Answers About Prison Reform by Martinson was published. The system changed practically overnight across the nation. The notion of rehabilitating offenders was dismissed and a more punitive â€Å"lock them up and throw away the key† mentality took over. Presently the corrections system is still working in the crime control model, but professionals are trying to restructure how we deal with criminal offenders during and after incarceration. The difficulty in the restructuring is finding the balance between punishing criminal offenders proportionate to their crime, but also rehabilitati ng them to be productive members of society once they are released so that they do not recidivate. The corrections system has gone through the medical model, the community model, and the crime control model over the last century. In the late eighteen hundreds, the belief that incarceration itself did not reduce crime was emerging. Community based sanctions, like probation and parole, were thought to be great additions and that they would work well in conjunction with incarceration. (Wodahl, 8) BetweenShow MoreRelatedEssay on Models of Corrections1625 Words   |  7 Pagesjustice system changed, new prison models were organized in hopes of lowering the crime rates in America. The three major models of prisons that were developed were the medical, model, the community model, and the crime control model. nbsp;nbsp;nbsp;nbsp;nbsp;The medical model is the model of corrections based on the assumption that criminal behavior is caused by social, psychological, or biological deficiencies that require treatment (Clear 53). This model of corrections aimed at treating theRead MoreModels of Corrections Essay1644 Words   |  7 Pagesthe criminal justice system changed, new prison models were organized in hopes of lowering the crime rates in America. The three major models of prisons that were developed were the medical, model, the community model, and the crime control model. The medical model is the model of corrections based on the assumption that criminal behavior is caused by social, psychological, or biological deficiencies that require treatment (Clear 53). 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Marketing Impact of Organic Food Products

Question: Discuss about theMarketing Impact of Organic Food Products. Answer: Introduction The label Organic is given to those food products, which are produced with the use natural fertilizers; they minimize pollution (of air, soil and water) and encourages the conservation of soil and water. The different types of organic food products available include fruits and vegetables, dairy foods, meat products, honey and certain processed food. The main reason for consumers preferring to purchase an organic product is that product is free of external additives, pesticides and other chemicals. Organic food products attain their labels by more sustainable use of natural resources and thereby minimizing the damage that is caused to environment. Literature Review The organic food industry is a major industry in Australia with a growth rate of 15% per annum. The market for organic food items can be attributed to the nutritive value of the products, their taste along with the freshness of the products. The demand for organic foods is not bound by the demographic profile of the consumer. The only reason for low consumption of organic products if their prices (Shafie and Rennie 2012). A survey conducted in Australia found that more people are consuming organic food products. Fruits and vegetables are consumed the most as compared to meat and meat products. The study found that 65% of the consumers had an organic diet and 35% of the people purchased certified organic products (Oates, Cohen and Braun, 2012). This indicates that more number of surveys should be done so that the preference of the consumers towards different organic food products can be derived. The growth in the demand for organic foods can be attributed to increased awareness of the consumers. This increased awareness is also because consumers would like to enjoy healthy foods. This has given rise to diversification of the organic food market with increase in the varieties of organic foods. The increase in the consumption of organic foods is related to demography of the consumers. Younger more health conscious and having above average income consumers are more prone to purchase organic foods (Pearson et.al. 2013). An intra-continent study between Australians and Europeans found that the consumption behaviour of organic foods were similar. The perceived health benefits of both the groups of people were also found to be similar (Oates, Cohen and Braun 2014). The organic food sector is growing fast. The consumers of organic food are miniscule as compared to those who do not consume organic foods. This inhibition towards organic foods can be attributed to the inadequate information on the label (Henryks et.al. 2015).The market of organic food can grow with more information about the benefits of organic foods, both the health aspect of the consumer and the environmental aspect. The growth of the Australian organic food market has been possible due to the entry of independent retailers dealing in organic foods. The fastest growing organic food markets is the dairy industry. Even in the dairy food sector, yoghurt is the fastest growing item. The survey revealed that a majority of the consumers purchased organic foods due to its perceived health benefits (Ausfoodnews.com.au, 2016). According to the Australian organic market report the fastest growing sectors in the organic food markets are diary, beef, organic wine and bevvies, grains, fruits and vegetables and personal care products. The report found that most of the supermarkets store organic foods. The majority of the consumers chose organic foods due to its chemical free nature (Aginnovators.org.au, 2015). Research Aim The aim of the research is to investigate the impact of marketing of organic food products. It also aims to find the gap between the demand and supply of organic food products. Research Question: The research question for this assignment is as follows: How much is the demand and supply of organic food products? What is the trend in the growth of the organic food market? What is the volume of exports of different organic food products? Research Objective The objective of doing the research is as follows: To find the correlation between demand and supply of organic food products To find the growth trend of different organic foods To find the growth trend in the exports of different organic foods. Research Methodology A quantitative study on the organic food market would be done. Secondary data would be collected and secondary data collection techniques would be used. The producers of organic food products would collect data for the last five years on the volume of organic food materials produced and sold. Data on the different organic food products like fruits and vegetables, dairy foods, meat products, honey would be collected. The producers would also collect data on the volume of exports of the organic food products. Data would also be collected from the supermarkets and other markets of organic food products on the volume of sales of different food products. The data would be analysed to understand the volume of organic food market (Zikmund 2009). The analysis of the data would provide information on the growth trend of the produce and consumption of organic food products. An analysis of the data would also provide information on the gap between the demand and supply of organic food products (Levine et.al. 2010). Expected Research Outcome As per the report of Australian organic market (2014), the industrys worth is $1.72Bn and growing at 15% per annum. The exports of organic food products have also grown. Thus, the present study will only strengthen the fact that there is huge market potential for organic food products. It will also provide an insight into the growth potential for the organic market. Conclusion It can be concluded that the market for organic food products has grown drastically. The growth in the consumption of organic food products can be attributed to the fact that consumers have understood the benefits of organic foods. Rising to the occasion, the producers have also been able to keep pace with the demand. Thus, the farming of organic food products has also increased. The government has also initiated standards for the organic food products. In spite of the growth, there is still a huge difference in the sales volume of organic vs. non-organic food items. The data will provide for the scope in the growth of the organic food market. References Aginnovators.org.au. (2015). 6 booming Australian organics sectors $1.7 Billion reasons to get in the market. [online] Available at: https://www.aginnovators.org.au/news/6-booming-aussie-organics-sectors-%E2%80%93-and-why-cleaner-greener-farmers-are-raking-it [Accessed 19 Sep. 2016]. Ausfoodnews.com.au. (2016). Australia's appetite for organic foods at record levels | Australian Food News. [online] Available at: https://www.ausfoodnews.com.au/2014/12/10/australias-appetite-for-organic-foods-at-record-levels.html [Accessed 19 Sep. 2016]. Australian organic market report 2014 Henryks, J., Pearson, D., Anisimova, T. and Sultan, P., 2015. Are organic food labels inadequate? Evidence from consumers in Australia. Business and Management Studies, 1(2), pp.45-54. Levine, D.M., Stephan, D.F., Krehbiel, T.C. d Brenson, M.L. (2010), Statistics for Managers Using Microsoft Excel: 6th Global Edition, Prentice Hall Oates, L., Cohen, M. and Braun, L. (2012). Characteristics and consumption patterns of Australian organic consumers. Journal of the Science of Food and Agriculture, 92(14), pp.2782-2787. Oates, L., Cohen, M. and Braun, L. (2014). The Health and Wellness Effects of Organic Diets. Building Organic Bridges, 1, pp.9-12. Pearson, D., Henryks, J., Sultan, P. and Anisimova, T. (2013). Organic food: Exploring purchase frequency to explain consumer behavior. Journal of Organic Systems, 8(2), pp.50-63. Shafie, F. and Rennie, D. (2012). Consumer Perceptions Towards Organic Food. Procedia - Social and Behavioral Sciences, 49, pp.360-367. Zikmund, W. (2009) Business Research Methods, 8th Edition, Dryden, Orlando.