Types and components of computer system

Question 1

Hardware consists of….

Answer 1

the physical components of a computer

Question 2

Internal components of a computer system

Answer 2

Central Processing Unit
Processor
Motherboard

Question 3

Define and list features of RAM

Answer 3

Random Acess Memory is temporary data stored in the computer.
*It is data that is currently being used by the computer
*it is referred to as volatile data
*contents are lost when computer is switched of
*It can be read from and written to

Question 4

Define and list features of ROM

Answer 4

Read only Memory is permanent data srored by a computer
*Contents are not lost when computer is switched off
*Can be read from buy not written to
*It is reffered to as non-volatile data

Question 5

Define Software

Answer 5

Software are the programs that are used to control the operation of a computer or process electronic data

Question 6

What are the types of software and define them

Answer 6

*Application software provides the services in which the user requires to do specific tasks.
*System software provides the sevices that are needed by the computer to operated properly.

Question 7

Role of CPU

Answer 7

The role of the cpu is to process instruction entered into the computer in order to produce and output

Question 8

Advantages and disadvantages of GUI

Answer 8

the characteristics are;
WIMP (windows, icons, mouse, pointer)
Adv
it is user friendly as it is easier to learn
quicker to used as long codes dont have to be typed in
You dont have to memorise long commands
Dis
you can only acess things displayed by icons so smaller range.
require more computing power
takes up more space

Question 9

Advantages and disadvantages of CLI

Answer 9

Adv
Needs very little computing power.
A wider range of commands can be used
fast for experienced coders or electricians
Dis
complex codes need to be memorised.
if you make a mistake in code you have to restart.
all codes need to be typed time consuming