Embedded Systems - Paper 1

Question 1

Define embedded system

Answer 1

An embedded system is a small computer that controls the system, device or machine it is in and allows the user to interact with it.
It has one, or a limited number of tasks that it can perform.

Question 2

List some examples of embedded systems.

Question 3

How can embedded system software be updated?

Answer 3

Embedded systems are not usually programmable by a user.
Usually software can be upgraded through connection to a PC.

Question 4

Describe advantages of embedded systems over general purpose computers.

Answer 4

• Their limited function means they are cheaper to design and build.
• They tend to require less power.
• They can use cheaper, less powerful processors.