A computer has four main parts. It has a central processing unit or brain'. It has an input unit that feeds in data (usually linked to a keyboard), and an output unit that produces finished work (for example, as a printout on paper). The fourth and Vital part is the memory unit, where the computer stores the information it needs to carry out its work. The Computer stores this data as electrical charges on magnetic disks.
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Shah shailesh
A computer has four main parts. It has a central processing unit or brain'. It has an input unit that feeds in data (usually linked to a keyboard), and an output unit that produces finished work (for example, as a printout on paper). The fourth and Vital part is the memory unit, where the computer stores the information it needs to carry out its work. The Computer stores this data as electrical charges on magnetic disks.