CPU OR SYSTEM UNIT/PRIMARY TYPE

Computer Science ICT SSS2 FIRST Term

WEEK 4

CPU OR SYSTEM UNIT/PRIMARY TYPE

Reference book: A Handbook on Computer Studies (PRACTICAL GUIDE) for Schools and Colleges by Niyi Adekolegan

Content

External features

The system unit is electronic circuitry housed within the computer cabinet.  It is the part of the microcomputer that contains the Central Processing Unit (CPU).

The system units of microcomputers are of different shapes.  These include the following:

(i)      Notebook

(ii)      Palmtop

(iii)     Desktop

(iv)     Tower                  

(v)      Slim line etc.

NOTEBOOK

This is a micro-computer that is small and light enough to be moved easily from one place to another.  It can fit into most briefcases.  They are the most popular computers today.

PALMTOP

 These are also known…