Horses Computer viruses are man-made program or a piece of code which can load onto your computer without your knowledge and cause damage to your computer system. The dangerous part of the computer viruses is they are attached to a file or program‚ which means the computer viruses will not running until you click the file or program‚ and even more dangerous type of viruses is one capable of transmitting itself across networks and bypassing security system. Worms are similar to computer viruses
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HISTORY OF COMPUTER THE PRE-MECHANICAL AGE: 3000 B.C. – 1450 A.D. 1. Writing and Alphabets – Communication First development of signs corresponding to spoken sounds‚ instead of pictures‚ to express words. Around 2000 B.C.‚ Phoenicians created symbols that expressed single syllables and consonants (the first true alphabet) The Greeks later adopted the Phoenician alphabet and added vowels; the Romans gave the letters Latin names to create the alphabet we use today. 2. Paper
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requires a computer system to comepete in a travel market. as New London has a growing population and with the increasing use of internet in home and at work it is anticipated that the business of NLT will expand. As transport links improve it is anticipated that potential customers from several smaller towns in the area will also visit or call NLT to book holidays. Currently NLT has no computers and as a result it is not being able to access on line sales. one of the benefits using computers and having
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COMPUTER LITERACY: TODAY AND TOMORROW* Mark Hoffman‚ Jonathan Blake Department of Computer Science and Interactive Digital Design CL-AC1‚ Quinnipiac University 275 Mt. Carmel Avenue Hamden‚ CT 06518 Mark.Hoffman@quinnipiac.edu; Jonathan.Blake@quinnipiac.edu ABSTRACT Computing and technology departments often offer service courses in Computer Literacythat provide the entire academic communitywiththe opportunityto develop skills in the use of computers. These courses have been around for
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2 Fundamentals of Computer Systems You need to be able to: (a) define a computer system (b) describe the importance of computer systems in the modern world (c) explain the need for reliability in computer systems (d) explain the need for adherence to suitable professional standards in the development‚ use and maintenance of computer systems (e) explain the importance of ethical‚ environmental and legal considerations when creating computer systems. What is a computer system? At its very basic
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Main article: History of computer science Charles Babbage is credited with inventing the first mechanical computer. Ada Lovelace is credited with writing the first algorithm intended for processing on a computer. The earliest foundations of what would become computer science predate the invention of the modern digital computer. Machines for calculating fixed numerical tasks such as the abacus have existed since antiquity‚ aiding in computations such as multiplication and
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Computer Memory Basics Although memory is technically any form of electronic storage‚ it is used most often to identify fast‚ temporary forms of storage. If your computer’s CPU had to constantly access the hard drive to retrieve every piece of data it needs‚ it would operate very slowly. When the information is kept in memory‚ the CPU can access it much more quickly. Most forms of memory are intended to store data temporarily. As you can see in the diagram above‚ the CPU accesses memory according
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of malware. They spread over computer networks by finding operating system vulnerabilities. Worms typically cause harm to their host networks by consuming bandwidth and shorting out web servers. Generally‚ the intent of the worm is to be malicious. There are some worms however‚ which do not have malicious intent. They are referred to as anti-worms. Computer worms are classified as a type of computer virus‚ but there are several characteristics that distinguish computer worms from regular viruses
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What are the Parts of Computer? The Parts of a Desktop Computer are: 1. System unit The system unit is the core of a computer system. Usually it’s a rectangular box placed on or underneath your desk. Inside this box are many electronic components that process information. The most important of these components is the central processing unit (CPU)‚ or microprocessor‚ which acts as the "brain" of your computer. Another component is random access memory (RAM)‚ which temporarily stores
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makes our life easier have a computer. Some people says‚ its a great relieve that their work are much easier with the aid of computers. Other people taught that being too dependent to computers has a consequential negative outcome to mankind. In this essay‚ I will discuss the arguments for and against using computers. Firstly‚ computers are widely being used in different work field. Example of it‚ in airline industry‚ one of the most important component is computer. They are the one who calculate
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