A computer is not an acronym and is sometimes abbreviated as comp or ’puter. The term "computer" was originally given to humans who performed numerical calculations using mechanical calculators such as the abacus and slide rule. The term was later given to a mechanical device as they began replacing the human computers. Today’s computers are electronic devices that accept data (input)‚ process that data‚ produces output‚ and then store (storage) the results. The first computer was called the ENIAC
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Function of digital computer A typical digital computer system has four basic functional elements: (1) input-output equipment. (2) main memory. (3) control unit. (4) arithmetic-logic unit. Any of a number of devices is used to enter data and program instructions into a computer and to gain access to the results of the processing operation. Common input devices include keyboards and optical scanners; output devices include printers and cathode-ray tube and liquid-crystal display monitors
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“Disadvantages and Advantages of Computer” A Research Paper Presented to Prof. Hans Uy In partial Fulfillment of the Requirements in English IV By: Junaira R. Jamal First Year College March 2013 ACKNOWLEGDMENT I express my deepest gratitude to my family especially my mother who helps me with the grammar‚ invaluable guidance and blessings. I am very grateful to my English teacher Sir Han Uy for providing us with an environment to complete this project. I would like to thank my
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“Securing a computer system has traditionally been a battle of wits: the penetrator tries to find the holes‚ and the designer tries to close them.” ~Gosser Warfare has always been a game of cat and mouse. As technology increases war has to adapt with it. Wars have evolved from a contest of strength to a show of potential. Previously wars were fought with large armies and whomever could most effectively utilize the most troops with better training won; now however‚ a single person with a nuclear bomb can destroy a city within seconds
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Chapter 1 SECURITY ESSENTIALS 1. Introduction to Security Engineering 1.1 Security engineering is about building systems to remain dependable in the face of malice‚ error‚ or mischance. 1.2 It focuses on the tools‚ processes‚ and methods needed to design‚ implement‚ and test complete systems‚ and to adapt existing systems as their environment evolves. 1.3 Security engineering requires cross-disciplinary expertise‚ ranging from cryptography and computer security through hardware
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Draft Professor Wilson Hackers and Security Measures A diverse group of people often referred to as “hackers” have been stereotyped as unethical‚ irresponsible‚ and a serious threat to society for their actions of breaching of computer systems in an undesirable manner. I will attempt to construct a picture of what a computer crime is‚ as well as a portrait of what a hacker is‚ their concerns‚ and how most hacking occurs. I will also cover the best security measures against undesirable hacking
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The computer was born not for entertainment or email but out of a need to solve a serious number-crunching crisis. By 1880 the U.S. population had grown so large that it took more than seven years to tabulate the U.S. Census results. The government sought a faster way to get the job done‚ giving rise to punch-card based computers that took up entire rooms. Today‚ we carry more computing power on our smartphones than was available in these early models. The following brief history of computing is
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Computing Could Minimize Security Threats The Armed Forces Communications and Electronics Association (AFCEA) is a nonprofit organization that provides a forum for international exchange on issues relating to information technologies and security. The Cyber Committee is a select group of industry leaders and government liaisons that formulates strategies and responds to concerns regarding US national security. Cloud computing may open up networks to a vast array of security threats. However‚ the
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Security in many organizations today is focused on technology and tools; this can be a benefit to organizations as much as it can be a risk. It can be benefit because it can facilitate things for the organization but‚ it can be harmful because it can backfire‚ it can facilitate the organizations percentage of being breached by a malicious hacker from either inside or outside the organization. Organizations don’t seem to focus enough on business requirements‚ physical and information assets‚ and risk
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Cyber-Security in the Supply Chain PROC 5000 GRAD FA 2013 Procurement and Acquisition Professor Claude Wiedower Table of Contents Abstract…………………………………………………………………………………………………………………………………..1 The Problem with Cyber-Security Collaboration………………………………………………………………………2 Cyber-Security Training in the Workplace………………………………………………………………………………..3 Abstract The essence of global supply chains require that businesses large and small‚ exchange information of a precarious nature
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