Embedded Systems

Question 1

What is an embedded system ?

Answer 1

An embedded system is a system that has computer hardware with software embedded in it as one of its components.

Question 2

Uses of embedded systems

Answer 2

• Cars
• Microwave ovens
• Washing machines, dishwashers, etc.
• ATMs
• Wireless phone (not a smartphone)
• Toys

Question 3

Give a property

Answer 3

they are small and low cost and found in many electrical devices we use every day

Question 4

What does it consist of ?

Answer 4

Every embedded system consists of custom-built hardware built around a micro-controller.

Question 5

Do they have an OS ?

Answer 5

Embedded systems do not often have an operating system as they run software specific to the task they are designed to carry out.

Question 6

Comparison to general purpose computer

Answer 6

A general purpose computer runs multiple applications
An embedded system runs only one application

In embedded systems, the software typically resides in firmware, in ROM.
In general purpose computers, the memory structure is more complex.

The programming in embedded systems is written only for the purpose of using the connected hardware.