Computer System

Question 1

What is a computer system? What does it do?

Answer 1

A system of hardware and software combined to convert input into output.

Question 2

Examples of Input Devices

Answer 2

Keyboard, Mouse, Microphone, Touch screen Display

Question 3

Examples of Output Devices

Answer 3

Monitor, Speaker, Printer, Webcam

Question 4

What is system software? What does it do?

Answer 4

The programs that manage the operations of the computer.

• It boots up the computer, when you switch it on.
• It tells the CPU how to communicate with the other parts of the system.
• It loads the relevant application when requested.

Question 5

What is a Bus? What are the different types of Buses?

Answer 5

Buses are wires that transmit data inside the CPU.
Types of Buses:
Address
Data
Control

Question 6

Data Bus

Answer 6

Allows data to travel back and forth between the CPU and memory(RAM).

Question 7

Control Bus

Answer 7

It carries the control signals that make sure everything is flowing smoothly from place to place.

Question 8

Address Bus

Answer 8

It carries information about the location of data in memory.