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Generally, the use of computer is restricted to typing and storage of information, in most of the business organizations. Limited sets of instructions are enough to carry out a computer processing. Any job can be computerized with the help of appropriate software. Previously, the computer was thought as only a calculating machine, but a computer cans also carryout logical operations. It works on the principle of “Garbage In, Garbage Out”. Since, human beings do data entry and programming hence, the error may make the results false. This may be due to the error in data entry or due to poorly designed program. Accuracy:Ĭomputer calculates very accurately and computer never does mistake although we often hear about the false results of computers. Therefore, from speed point of view, computer’s functioning is very fast. The speed of the computer is specified in terms of Nano seconds and in Pico seconds, whereas human beings require most time to perform these functions. Computer can perform and give instructions in less than a millionth of a second.
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