BASIC HARDWARE UNITS OF A COMPUTER

2.1      Input Devices An input device lets you communicate with a computer.  They are used to enter information and issue commands to the computer. Commands tell the computer to do something, like save the file. A keyboard, mouse, scanner, digital Read More …

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INTRODUCTION TO COMPUTERS

1.1.     History of Computers When the human race started doing some trade, it felt a need for a calculating device. The first calculating device, which was used 2000 years ago was called abacus and the improvements in the calculating device Read More …

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