WEEK 1

Topic: The computer system

OBJECTIVES

At the end of the lesson, Pupils should be able to:

 (i). Explain the term system Computer system computer system

(ii). Explain the terms hard Ware, software and users.

INSTRUCTIONAL MATERIALS:

A functional computer system

CONTENT

COMPUTER SYSTEM

A computer system is a group of different devices that work together with the help of stored programs to accept process, store and retrieve information.

These groups of different devices are called HARDWARE while the stored programs are called SOFTWARE. The hardware of a computer system is explained below.

INPUT DEVICES

Examples of input devices are a keyboard, Mouse, Joystick, Light pen, Scanner etc. All these are used to send messages in the form of data and instructions to the computer. The.... View More