Operating System: An operating system (OS) is a set of software that manages computer hardware resources and provides common services for computer programs. The operating system is a vital component of the system software in a computer system. Application programs require an operating system to function. Types: 1. Real-time A real-time operating system is a multitasking operating system that aims at executing real-time applications. Real-time operating systems often use specialized scheduling
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HISTORY OF COMPUTERS Ancient era Suanpan (the number represented on this abacus is 6‚302‚715‚408) Devices have been used to aid computation for thousands of years‚ mostly using one-to-one correspondence with fingers. The earliest counting device was probably a form of tally stick. Later record keeping aids throughout the Fertile Crescent included calculi (clay spheres‚ cones‚ etc.) which represented counts of items‚ probably livestock or grains‚ sealed in hollow unbaked clay containers.[1][2]
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FALCON COMPUTER - Why did the Falcon executives act as they did? Falcon managers documented that the company’s communications is an open kind of communication‚ but why did they always hold a meeting with an executive panel. Quality was said to be the most important of all‚ in a sense that they delivered damaged-free computers to customers; in contrast‚ two out of four defective computers were used in one of their trainings. Despite the fact that the employees‚ like Peter Richards‚ knows
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Journal Six Week Six Miriam A. James EDU648-TEACHING AND LEARNING WITH TECHNOLOGY Professor: Dr. Kathy Zientek October 8‚ 2012 Recap From learning theories to technology tools‚ what do you find to be the most challenging aspect of teaching and learning with technology? What do you find to be the most beneficial? From learning theories to technology tools the most challenging aspect of teaching and learning with technology has been the expanding rapid modern technologies themselves. Teachers
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Vol 44 No 4. September 2005 ISSN 0265-5527‚ pp. 387–399 Computer Hacking: Just Another Case of Juvenile Delinquency? MAJID YAR Lecturer in Criminology‚ School of Social Policy‚ Sociology and Social Research‚ University of Kent at Canterbury Abstract: Recent discussions of computer ‘hacking’ make explicit reference to the disproportionate involvement of juveniles in this form of computer crime. While criminal justice‚ computer security‚ public and popular reflections on hacking seldom refer
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Super Computer The fastest type of computer. Supercomputers are very expensive and are employed for specialized applications that require immense amounts of mathematical calculations. For example‚ weather forecasting requires a supercomputer. Other uses of supercomputers include animated graphics‚ fluid dynamic calculations‚ nuclear energy research‚ and petroleum exploration. The chief difference between a supercomputer and a mainframe is that a supercomputer channels all its power into executing a
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“Timeline Of Computer” 600’s bc The abacus is developed in China. It was later adopted by the Japanese and the Russians. 600’s ad? Arabic numbers -- including the zero (represented by a dot) -- were invented in India. Arabic translations of Indian math texts brought these numbers to the attention of the Europeans. Arabic numbers entered Europe by means of Spain around 1000 ad and first became popular among Italian merchants around 1300. Until then‚ people used the Roman system in western
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of components that work together to realize some objectives forms a system. Basically there are three major components in every system‚ namely input‚ processing and output. Input Output Processing Fig. 1.1: Basic System Components 2 :: Computer Applications In a system the different components are connected with each other and they are interdependent. For example‚ human body represents a complete natural system. We are also bound by many national systems such as political system‚ economic
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Goff Computer‚ INC. Martin Teal BUS 650 Managerial Finance Instructor Scott Shaw October 15‚ 2012 Goff Computer‚ INC. Goff Computer‚ INC has been around for about eight years and has over seventy stores. Goff Computer‚ INC had $97 million in sales last year and wants to know what the cost of capital is. In order to answer this several steps have to be taken which include comparing the company to Dell and how they work. Dell is a major computer company and they build the computers
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A) Social Engineering B) Phishing C) Brute Force D) Hacking E) Cracking Points Earned: 1.0/1.0 Correct Answer(s): A 2. You are working on a computer‚ which of the following activities are restricted according to our Acceptable Use Policy: A) Creating a folder on your desktop B) Using a USB device on the computer C) Saving child pornography on the hard drive D) Adding a screensaver that comes with Windows E) Installation of approved software Points Earned: 1.0/1
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