Computer Sub-Systems (Cambridge International IGCSE Computer Science): Exam Questions

Identify three of the component parts after a problem has been decomposed.

State three sub-systems of a computer.

Describe how the use of sub-systems can help in troubleshooting problems within a computer system.

A satellite navigation system is an example of a computer system that is made up of sub-systems.

Part of a satellite navigation system:

• allows the user to enter details for a new destination or select a previously saved destination
• displays directions in the form of a visual map or as a list.

Draw a structure diagram for this part of the satellite navigation system.