Embedded systems

Question 1

What is an embedded system?

Answer 1

An embedded system is small computer system built in a piece of equipment designed to preform a specific function

Question 2

Name some examples of embedded systems in technology.

Answer 2

Vehicles, cameras, medial equipment, aircraft, vending machines, oven, fridges, mobile phones, satellite navigation devices, televisions, digital clocks and lifts

Question 3

What are the main characteristics of embedded systems?

Answer 3

Reliability and minimal resources such as ROM, timers, sensors and actuators.

Question 4

Where is the program which controls the equipment held in that cannot be changed?

Answer 4

ROM

Question 5

What language it it typically written in?

Answer 5

Typically written in machine-efficient language

Question 6

What language may be used for some critical parts of the program?

Answer 6

Assembly language

Question 7

Why does it have a very limited operated system?

Answer 7

Because it does not have to be loaded when the machine is turned on as it is held in ROM.

Question 8

How many applications in the operating system able to run?

Answer 8

1

Question 9

What are embedded system user interfaces like.

Answer 9

Very simple like buttons and some don’t have an interface

Question 10

Why are embedded systems usually written in machine-efficient language?

Answer 10

so that it uses a minimum amount of memory and executes as fast as possible

Question 11

What does ROM stand for?

Answer 11

read-only memory