Summary

Congratulations, you have successfully completed the topic on the “Overview of Computer Systems”. In this chapter you have learnt about:

•        A computer is a programmable Electronic Device, that can retrieve, process and store data.

•        The computers use Vacuum Tube, Transistor, Integrated Circuit (IC), VLSI, and ULSI technology respectively from 1st to 5th generation.

•        The main components of the computer hardware architecture are the CPU, memory and I/O devices.

•        The components of the computer system are Hardware, Software, Data, Information, People, Procedure and Communication.

In the next lesson you will explore more on the data representation.