boot process of a computer Describe the functions of an operating system Identify common utility programs Software‚ also called a program‚ consists of a series of related instructions‚ organized for a common purpose‚ that tells the computer what tasks to perform and how to perform them. The two categories of software are system software and application software. System Software System software consists of the programs that control or maintain the operations of the computer and its devices.
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LAPTOP A laptop computer is a personal computer for mobile use. A laptop has most of the same components as a desktop computer‚ including a display‚ a keyboard‚ a pointing device such as a touchpad (also known as a track pad) and/or a pointing stick‚ and speakers into a single unit. A laptop is powered by mains electricity via an AC adapter‚ and can be used away from an outlet using a rechargeable battery. Laptops are also sometimes called notebook. computers‚notebooks‚ ultrabooks or netbooks.
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Why Should Social Networking Sites be banned? When asked this question‚ many people cite identity theft‚ social isolation‚ pornography and infidelity. In order to determine if these are valid points‚ each of these issues must be considered. Why Parents Think Social Networking Sites should be banned: Many parents dislike social networking. They believe that sites such as MySpace and Facebook attract child predators. Others say that cyber-bullying takes place on these sites. Others are convinced
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The Basic Computer Hardware Central Processing Unit: The central unit is the basic part of the computer and includes all the main computer parts. It is the heart of the computer system. It is responsible for executing‚ or running the software. The software programs are translated into a series of codes made up of 1s to 0s that the CPU can understand. Every code means a certain operation should take place. A CPU has various discrete units to help it in these tasks for example there is an arithmetic
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component made for incorporation into devices for increased functionality. 2.2 DESCRIPTION Several types of microchips are made today. Microprocessors are logic chips that perform the computations inside most commercial computers. Memory chips store information. Digital signal processors convert between analog and digital signals. Application-specific integrated circuits are special-purpose chips used in things such as cars and appliances. A microchip is a tiny‚ totally inert electronic transponder
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The purpose of this paper is to provide a comprehensive review of the SQL Server 2005 Express Edition for Beginners tutorial. The SQL Server 2005 Express database tutorial helps users understand what a database is‚ it explains how to create tables within a database and how users can covert flat databases into relational databases. This tutorial was basically designed to give users the basic knowledge of creating data bases. Databases are nothing more than a collection of files that work together
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CEO instructs us to phase in a corporate intranet to help departments communicate effectively. The schedule for different departments to ‘go live’ on the intranet is set‚ and we have to purchase the appropriate servers‚ minimizing cost and making sure that the intranet has enough capacity to handle the employees that start using the intranet each month. I picked this case because it resembles the types of problems that I faced during my summer internship at The CocaCola Company. One of my responsibilities
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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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HISTORY OF COMPUTER Abacus - The First man-made computing device. - It can perform addition and subtraction - invented in China Pascal’s calculating machine/Pascaline - The first mechanical calculator - Invented by Blaise Pascal - Can perform addition & subtraction Leibnitz calculator - First general-purpose calculating machine - Extended version of Pascal Calculating machine - Can perform multiplication and Division - Invented by Gottfried Leibnitz Automatic
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Before computers there were not telephone answering machines‚ handheld calculators‚ fax machines‚ personal computers. People did what they had to do without these things. People wrote letter by hand or with a typewriter‚ they also kept track of data and numbers in ledgers. They were not texting each other‚ there was either in person or over the phone. . Computers are integral to our daily lives and there are millions used daily. Computers are used at home‚ work‚ and school. They are also embedded
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