1.1 Computer Hardware Flashcards
1
Q
What is an input device?
A
An input device is any hardware device which inputs data such as video text or imagine into a computer system.
2
Q
What is an output device?
A
An output device converts information into a human perceptible form
3
Q
Make a list of 5 input devices
A
- mouse
- keyboard
- controller
- microphone
- scanner
4
Q
Make a list of 5 output devices
A
- printer
- projector
- speaker
- light
- alarm
5
Q
What is a biometric device?
A
A biometric device uses human characteristics as part of its security mechanism. Uses commonly by organisations to improve their security and track absenteeism.
6
Q
Give three advantages of a biometric device
A
- only provides authorised access to
- quicker and easier
- useful for tracking attendance etc
7
Q
Give three disadvantages of a biometric device
A
- inaccessible to disabled people
- costly to buy
- privacy concerns for having human parts on a system
