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The typical school has 1 computer per 20 students, a ratio that computer educators feel is still not high enough to affect classroom learning as much as books and classroom conversation. Some critics see computer education as merely the latest in a series of unsuc ....

Middle of Essay
.... the antenna beams of the satellite rather than simply the two ends of the microwave link. Computer Crime Computer crime is defined as any crime involving a computer accomplished through the use or knowledge of computer technology. Computers are objects of crime when they or their contents are damaged, as when terrorists attack computer centres with explosives or gasoline, or when a "computer virus" a program capable of altering or erasing computer memory is introduced into a computer system. Personal Computer A personal computer is a computer that is based on a microprocessor, a small semiconductor chip that performs the operations of a c.p. ....