Sunday, January 26, 2020

The Whistleblower: Julian Assange

The Whistleblower: Julian Assange Julian Assange is one of the most famous whistleblowers since 2006. Assange is an Australian citizen and the leader of a group that attacks the secret documents of governments by leaking them. In fact, he managed to leak confidential information and data about global financial transactions between different countries and organizations as well as secret operations regarding military and policies. He also founded WikiLeaks as a website where whistleblowers and hackers could have the ability to put stolen information about organizations without having to mention their real identities. The website as well as Assange started to gain fame in most of the houses all over the world since Chelsea Manning contributed in the leakage of data about the American army. Furthermore, hackers were able to put on WikiLeaks a video about shooting Iraqi citizens, who were not armed, by helicopters that belonged to the United States. This video was named Collateral Murder. Since then, the name of Julian wa s mentioned in many fields including poisonous wastes thrown near Cote dIvoire along with operations and procedures regarding detention in Guantanamo Bay. Christodoulou, holly. (2017, February 8). In 2010, whistleblowers on WikiLeaks were able to release more than two thousand documents regarding diplomatic cables. They managed to get these documents from a source without an identity. In addition, these documents were leaked and released after the spread of Collateral Murder video and the documents related to Iraqi and Afghani Wars in 2010. Both documents exceeded more than four thousand documents. It is said that the leakage of such information and data came from a source that belonged to Bradley Manning. As a matter of fact, Manning is an analyst who used to work in the American Army Intelligence. However, he was imprisoned later. A lot of people ask about whether WikiLeaks was able to release confidential documents before or not. In fact, the answer for such question is yes.   In order to succeed in leaking all these amounts of information, WikiLeaks has passed through three stages directly after being created. It is worth mentioning that the first stage involved the rele ase of documents regarding Kenya about eight years ago. During this period, the responsible persons of the website and its management worked according to a wiki model. This model provided readers and loggers with the ability to put information on the website no matter what this information is or these documents are. On the contrary, the website had the authority to determine the kind of documents and whether to accept them or not. The second stage, through which WikiLeaks moved, included the release of Collateral Murder seven years ago. As a matter of fact, a lot of political organization took that video really seriously since it was considered as a political declaration of the brutality of the United States policies. This video was released in order to show and clarify a certain opinion, not in order to inform public about such point of view. Finally, the third stage included the release of diplomatic documents and labels. This stage is happening right now. WikiLeaks managed to hav e connections and strong relationships with organizations in the field of media and news to be able to collect, analyze and publish political documents through using organized ways instead of throwing such diplomatic cables on the internet or implementing them as a source to show a certain opinion. Zittrain, J. (2010). While Julian and other whistleblowers believe that people all over the world are in deep need of WikiLeaks, the governmental authorities and organizations think the opposite. In fact, Assange thinks that these leakages of documents force the governments to be more open and not to hide any secrets. In addition, they encourage those political organizations to respect the public and their privacy along with showing that they are clear and honest. It has to be taken into consideration the fact that WikiLeaks was an anonymous unknown website unless it succeeded in the release of videos like Collateral Murder and Baghdad Airstrike videos. Unfortunately, Baghdad video was released by the website seven years ago and talked about the murder of two reporters, who used to work in Reuters, by American military forces. On the other side, the case is different for the United States. Officials in the American government had the desire to accuse Assange of betrayal and espionage since he has release d private confidential diplomatic cables regarding Pentagon. Actually, the American government believed in the idea that these documents have resulted in the destruction of its national security and foreign affairs with other powerful countries. The WikiLeaks impact the American business journal. (2016). As for how the United States responded to these leakages, it resorted to the policy of power in order to force WikiLeaks and Assange to return back the hacked documents just after the release of diplomatic cables regarding the Afghani War. Moreover, it started along with the British government to condemn these actions because they thought they could lead to the destruction of peoples lives and their privacy. Moreover, a lot of authorities thought these documents to be very sensitive since it touched a lot of top secret political problems and situations. Universities also in the United States have warned their students not to enter WikiLeaks, read any document or put any data in order not to expose their lives to danger. Finally, it is worth mentioning that governments must be very careful while dealing with confidential documents and secure them well so that they could be able to avoid any kind of hacking or any whistleblower who might think of leaking them. Karhula, P. (2012). References: Karhula, P. (2012). What is the effect of WikiLeaks for freedom of information? Retrieved February 15, 2017, from IFLA, http://www.ifla.org/publications/what-is-the-effect-of-wikileaks-for-freedom-of-information The WikiLeaks impact the American business journal. (2016). Retrieved February 15, 2017, from The American Business Journal, http://www.abjusa.com/features/features_apr_may_11/the_wikileaks_impact_don_t_shoot_the_messenger.html Zittrain, J. (2010). Everything you need to know about Wikileaks. Retrieved February 15, 2017, from https://www.technologyreview.com/s/421949/everything-you-need-to-know-about-wikileaks/ Christodoulou, holly. (2017, February 8). Who is Julian Assange and why is the WikiLeaks founder wanted by Sweden? Retrieved February 15, 2017, from THE SUN, https://www.thesun.co.uk/news/2188164/who-is-julian-assange/

Saturday, January 18, 2020

Cpu Research Paper

CPU: Past, Present,   â€Å"A CPU (central processing unit) is the â€Å"brain† of the computer; it follows the instructions of the software to manipulate data into information. † (Sawyer, 2010, p. 208) The CPU performs logic and arithmetic operations, controls instruction processing, and supervises the overall operation of the computer. The main components of the CPU are the CU (control unit) and the ALU (arithmetic/logic unit). (Dugger & Gerrish, 1994, p. 78) The CPU also has registers which temporary store data during processing, and buses that act as roadways which transmit bits of data within the CPU and to other components on the motherboard. CPU: The control unit deciphers the instructions from the input and moves them into memory. For each instruction the CPU will fetch the instruction, decode the instruction, execute the instruction, and store the result. These four basic operations are known as a machine cycle. The control unit is therefore responsible in th e CPU to instruct and control where the data goes to and what will happen to it. (Sawyer, 2010, p. 208)ALU: The arithmetic/logic unit executes data that the control unit has sent to it. It performs basic arithmetic operations such as addition, subtraction, multiplication, and division. The ALU also performs basic logic operations such as comparing two numbers to see if they are equal, less than, greater than, or not equal. (Dugger & Gerrish, 1994, p. 581) Registers: â€Å"Registers are high-speed storage areas that temporarily store data during processing. † (Sawyer, 2010, p. 209) The CPU contains several types of registers such as an instruction register, address register, storage register, and an accumulator register.These registers may store a program instruction, store data while being processed, or store the results of a calculation. Without the registers the control unit or arithmetic/logic unit could not complete their work. Buses: â€Å"A bus is a group of parallel c onductors which carry information. † (â€Å"Microprocessors,† 1983, pp. 2-2) The conductors may be wires in a cable, foil patterns on a printed circuit board, or microscopic metal deposits in a silicon chip. Buses act as data roadways to get data from one place to another as needed. The term CPU/central processing unit has been in use since the 1960s.Nowadays, we are more familiar with the term microprocessors which are CPUs that are manufactured on integrated circuits in a single-chip package. However, before getting into today’s technology I will take a look at the past CPU technology. Past Exactly which computer was the first electronic computer completed in the United States is a controversial subject. Iowa State University claims that the Atanasoff-Berry Computer at ISU was completed in 1942 just before its creator was called up for duty in the war effort. (Munns) Another computer at the University of Pennsylvania which was funded by the military was complet ed in 1946 by J.Presper Eckert and John Mauchly. First Generation: Eckert and Mauchly’s invention was called the Electronic Numerical Integrator and Calculator, or as many now know it, as ENIAC. This first generation computer weighed 30 tons and contained 18,000 vacuum tubes. ENIAC could do 5000 additions per second. Each specific sequence of calculations had to be hard-wired into the machine. To change programs, ENIAC had to be completely rewired. ENIAC is generally known as the first electronic computer in the United States. However, since ENIAC could not store a program it did not have, what we would call, a CPU. Dugger & Gerrish, 1994, p. 571) In 1945 John von Neumann created a design for a computer system. His design included four basic units for a computer: a CPU, an input device, an output device, and storage. (Dugger & Gerrish, 1994, p. 571) In 1946 John von Neumann joined with Eckert and Mauchly at the University of Pennsylvania to create the Electronic Discrete Vari able Automatic Computer (EDVAC). EDVAC was completed in 1949. It contained almost 6000 vacuum tubes and had 12,000 diodes. EDVAC covered 490 square feet of flooring and weighed almost 9 tons. It required thirty people to operate it.EDVAC is considered the first truly programmable electronic computer that included a central processing unit. No doubt the CPU was enormous, but still a recognizable CPU. (â€Å"EDVAC†) Second Generation: In 1954 Texas Instruments introduced the silicon transistor. This revolutionized computer technology and created the Second Generation of computers. Transistorized CPUs of the 1950’s and 60’s were no longer hampered by vacuum tubes and electrical relay. Second Generation computers were smaller, faster, more rugged, and more reliable. â€Å"With this improvement, more complex and reliable CPUs were built onto one or several rinted circuit boards containing discrete transistor components. † (â€Å"Central Processing Unit† ) Third Generation: The development of integrated circuits and their use in computers began in the mid 1960’s. This shift in technology brought about the Third Generation of computers which were faster, more reliable, cheaper to operate and much smaller. Throughout the advances in computer technology and electronics the CPU continued to become faster and smaller. Fourth Generation: In the early 1970’s, Ted Hoff at Intel invented the first microprocessor.Essentially, this was the first time that a complete processing unit was contained within a single chip and it revolutionized the way computers were applied and designed forever. This is where the Fourth Generation of computers was born. The Intel 4004 was a four bit device, measured 1/8 inch by 1/6 inch, and could execute 60,000 operations per second. (Dugger & Gerrish, 1994, p. 574) By 1972 Intel had come out with an 8-bit microprocessor, the Intel 8008, and within a year had bettered it with the Intel 8080 which coul d execute about 290,000 operations per second.In 1979, Motorola developed a 16-bit microprocessor. The Motorola 68000 was very popular in the blossoming personal computer market. Around the same time Intel rolled out their 16-bit microprocessor; the Intel 8086. While other companies tried to compete in the microprocessor market, it was generally Intel and Motorola who were in the race to built smaller and better processors with each other. By the mid 80’s each had produced 32-bit microprocessors. Beyond: According to Moore’s Law, at our rate of technological development, the complexity of an integrated circuit will double in about 24 months.By the early 90’s, 64-bit microprocessors entered the market. Each succeeding processor is smaller and can produce data much faster. The 90’ saw Intel introduce its first Pentium chip and Motorola introduced their Power PC CPU. Throughout the 90’s Intel improved on its Pentium technology releashing the Pentium P ro, Pentium II, Pentium MMX, and Pentium III. In the late 90’s AMD introduced their Athlon CPU. The Athlon worked at 800 MHz. In 2000, both Intel and AMD released 1 GHz microprocessors in the Pentium 4 and Athlon CPU. By 2002, Intel’s Pentium 4 reaches 3. 06 GHz.By 2006, both Intel and AMD introduce dual-core processors. 64-bit processors have been around for use in mainframes and supercomputers, but now 64-bit processors are being made for personal computers. Present Today’s main competitors for CPU’s in microprocessors are Intel and AMD. Motorola sold off their semiconductor manufacturing section to become Freescale, and has basically bowed out of the CPU race. CPU’s of today are extremely fast. The new Intel Core i7-980X Processor Extreme Edition released the beginning of 2010 has six cores, 12 threads, a max turbo speed of 3. GHz , a 12 MB Smart Cache, and a clock speed of 3. 33 GHz. (â€Å"Intel Processors,†) â€Å"The faster a CPU run s the more power it consumes and the more waste heat it produces. † (Sawyer, 2010, p. 206) For that reason, rather than increasing clock speed, Intel and AMD have pursued using multi-core technology, which employs additional CPU cores and runs them in parallel. Dual, Quad, and multi-core processors are very popular today in CPUs for computers, games and other technology that needs a CPU. Future 128-bit microprocessors are still being developed. Some experts predict that advances in microprocessor technology will produce a 50 GHz processor by 2010, the kind of power that will be required to support such function as true speech interfaces and real-time speech translation† (Sawyer, p. 206) ClusterOnaChip (CoC) is a popular example of the future in CPU technology. Engineers are working on how to place thousands of more processors in a â€Å"cluster† on a single chip. IBM in collaboration with the Georgia Institute of Technology has created a prototype silicon-germaniu m hetero-junction bipolar transistor able to operate at a speed of 500 GHz at 4. degrees Kelvin. At room temperature, the transistor achieves a speed of 350 GHz. â€Å"This demonstrates that speeds of half a trillion cycles per second can be achieved in a commercial, silicon-based technology, using large wafers and low-cost, silicon-compatible manufacturing techniques,† says John D. Cressler, Byers Professor at Georgia Tech’s School of Electrical and Computer Engineering and a researcher at the Georgia Electronic Design Center at Georgia Tech. Our current technological knowledge is not good enough to produce the microprocessors and CPU’s of the future.We are limited by our current materials and in need of innovation to jump start us towards even smaller and faster CPU’s. One can only dream of the day when rather than having a bulky transistor made of silicon, we have processors that are scaled down to the size of an electron itself. Conclusion With Mooreà ¢â‚¬â„¢s Law in mind, we can see that over the past decades we have certainly obeyed his law. From ENIAC to EDVAC, to transistors, to integrated circuits and single chip microprocessors, CPU technology has evolved and is still evolving to bring us the computers that e want and need. Further advances into CPU technology will allow us to compute faster and realize scientific discoveries that can change our world for the better. Our thirst for deep space exploration could become a reality. Medical research will be simplified. The possibilities are endless. References (1983). Microcomputer Basics. In Microprocessors (pp. 2-2). Benton Harbor, MI: Heath Company. Central Processing Unit. (n. d. ). Retrieved from http://www. spiritus-temporis. com/central-processing-unit/history. html Dugger, W. E. , & Gerrish, H.H. (1994). Electronics Technology: Devices and Circuits. South Holland, IL: Goodheart-Wilcox Company, Inc. EDVAC. (n. d. ). Retrieved from http://www. spiritus-temporis. com/edvac/ Intel Processors. (n. d. ). Retrieved from http://www. intel. com/products/processor_number/about. htm Munns, R. (n. d. ). First-Computer controversy finally nearing a conclusion. Retrieved from http://www. scl. ameslab. gov/abc/articles/first-computer. html Sawyer, W. (2010). Hardware: The CPU & Storage. In Using Information Technology. New York, NY: McGraw-Hill.

Friday, January 10, 2020

Arabian Nights Essay

In The Arabian Nights, a collection of Arabic folktales, Shahrazad uses the â€Å"ËÅ"Chinese box effect’ to connect her stories to one another in order to continue telling the story to King Shahrayar. The tale of the Husband and the parrot has number of tales that are related to each other tales and to the original story in many complex ways. The subtales of The Story of the Fisherman and the Demon focus on a particular theme, trust, with relations between the characters and the analogy of the situations. A close reading of The Tale of the Husband and the Parrot reveals this particular tale told by King Yunan to the vizier is placed in the book particularly to increase the importance of trust. By linking the tragic death of King Yunan to his distrustful action, Shrazad ultimately tries to convince King Shahrayar to make the right decision: not to kill Sharazad herself and other women. The tale makes an analogy with the tale of the King Yunan and the sage Duban. It parallels the king to the husband and the sage to the parrot. The parrot appears as â€Å"intelligent, knowledgeable, smart and retentive,† (p. 41) just like the sage is described in the story. By listing these adjectives about the parrot, the king emphasizes the parrot is a trustworthy bird that should not be killed. On the other hand, the king thinks the wife, who is â€Å"splendidly beautiful that she was perfect itself† (p. 41) and does not let her husband travel and leave her behind, should not be trusted. King Yunan suggests that the vizier is playing a trick on him like the husband â€Å"had been tricked by his wife† (p. 42). The effect of this clear analogy between the tales is that it leads the readers to expect the king not to kill the sage because â€Å"the same thing will happen,† (p. 42) meaning that the king will have regrets if he kills the sage. The purpose of this particular tale is to strongly advise the virtue of trust. Against expectation, King Yunan kills the sage just like the husband killed the parrot in The Tale of the Husband and the Parrot. In both cases, the main characters regret what they have done. King Yunan does not take his own advice: â€Å"Don’t do what you will regret afterward† (p.41). Instead he kills the sage, which he regrets afterwards which destroys the expected ending of the tale. Then, the readers start to wonder what significance this one-page tale has in The Story of the Fisherman and the Demon. As the tale  of the King Yunan and the sage Duban proceeds, the significance of the tale of the husband and the parrot becomes clear. As a result of King Yunan mistrusting the sage and lacking the confidence in his belief, the king dies of a tragic death. By presenting this tragedy of the king who made the wrong choice by trusting the jealous vizier, the story emphasizes the importance of making a morally correct decision and having a faith in it. If the tale of the husband and the parrot had not been in the story, the king would not have had the choice that was morally right and therefore would not have shown his indecisive nature. The existence of the correct decision that the king should have made causes the death of the king to be more tragic which reveals a stronger message to trust in others that have good conscience and believe in oneself. Another role of the Tale of the Husband and the Parrot involves its purpose to the original situation of Shahrazad and the king. The king has a big difficulty in trusting women due to his wife’s unfaithfulness, like the husband’s distrust of the parrot and the King’s distrust of the sage in the tales. The main goal of Sharazad is to convince the king to make the decision with his good conscience not to kill the women he mistrusts. She suggests that the king should â€Å"not do what he will regret afterward,† because â€Å"the same thing will happen to† him (p. 41) as did to the husband and King Yunan. The tale of the King Yunan and the Sage Duban is used as Sharazad’s prophecy that applies to the king Shahrayar if he determines not to trust her. The tragedy teaches King Shahrayar a strong lesson of the faith in moral judgment and the trust in people with good conscience. The amazing influence of the â€Å"ËÅ"chinese box effect’ in the whole book can be well observed in the Tale of the Husband and the Parrot. The fact that this tale does not influence King Yunan’s decision of the sage enhances the misfortune hence making the theme of the whole story even stronger. The close relation of characters in the sub-tales allows the advice of the tale to affect the characters in all of the tales as well as the ultimate target of Sharazad’s persuasion, King Shahrayar. Sharazad influences King Shahrayar’s decision upon trusting women and his morality in the process of telling stories that are related to the theme, trust.

Thursday, January 2, 2020

Different Influences That Affect The Way We Grow, Think,...

The world has many different influences that affect the way we grow, think, and act. It is interesting how some people from the same background and upbringing can become completely different people simply by the people they associate with. Psychologically association can be one of the best or worst things that can happen to someone. Depending on the type of association can determine which road you go down in life. Choices like this start at a very young age, such as grade school to high school. When in school, most establish the type of associations that they want to have around them around elementary years. If they have someone dressing a certain way then they will tend to change the way that are dressing. The way they dress, talk, walk, and treat others will start to become something that rubs off on you. Just like having a bad influence, others can have a great impact on those around them such as manners, respect, and the ways they speak, walk, and talk. 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