1.1 Computer Hardware

Question 1

What is an input device?

Answer 1

An input device is any hardware device which inputs data such as video text or imagine into a computer system.

Question 2

What is an output device?

Answer 2

An output device converts information into a human perceptible form

Question 3

Make a list of 5 input devices

Answer 3

• mouse
• keyboard
• controller
• microphone
• scanner

Question 4

Make a list of 5 output devices

Answer 4

• printer
• projector
• speaker
• light
• alarm

Question 5

What is a biometric device?

Answer 5

A biometric device uses human characteristics as part of its security mechanism. Uses commonly by organisations to improve their security and track absenteeism.

Question 6

Give three advantages of a biometric device

Answer 6

• only provides authorised access to
• quicker and easier
• useful for tracking attendance etc

Question 7

Give three disadvantages of a biometric device

Answer 7

• inaccessible to disabled people
• costly to buy
• privacy concerns for having human parts on a system