Today’s world is an information-rich world and it has become a necessity for everyone to know about computers. A computer is an electronic data processing device, which accepts and stores data input, processes the data input, and generates the output in a required format. The purpose of this tutorial is to introduce you to Computers and its fundamentals. Functionalities of a Computer If we look at it in a very broad sense, any digital computer carries out the following five functions − Step 1 − Takes data as input. Step 2 − Stores the data/instructions in its memory and uses them as required. Step 3 − Processes the data and converts it into useful information. Step 4 − Generates the output. Step 5 − Controls all the above four steps. Advantages of Computers Following are certain advantages of computers. High Speed Computer is a very fast device. It is capable of performing calculation of very large amount of data. The computer has units of speed i...
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