INPUT AND OUTPUT DEVICES:INPUT

Question 1

How is info entered into a PC

Answer 1

Typing selecting importing or downloading, recording

Question 2

Types of Input devices

Answer 2

1. Basic-essential eg keyboard

2. Special-non-essential eg scanner

Question 3

Types of Keys on a Keyboard

Answer 3

1. Alphanumeric
2. Special eg #
3. Function- special commands

Question 4

Functions of a mouse/trackball

Answer 4

moving cursor, draws sketches, selects items

Question 5

Functions of a joystick

Answer 5

pointing device: used in games and computer aided design(CAD)

Question 6

What is a touchscreen

Answer 6

A special VDU that has a touch sensitive screen

When a finger touches the screen interrupted light beams pinpoint the selected location on screen

Question 7

How does a light pen work

Answer 7

selects objects by either pressing the surface of the screen or by sending a signal by pressing a switch on its side

Question 8

What is the purpose of a digitizer/ graphic tablet

Answer 8

Creates drawings and images using a stylus(digital pen)

Question 9

What is the function of a scanner

Answer 9

Converts hard copy photos and docs into digital data for processing storage and output

Question 10

What is the function of a KVM switch(Keyboard Video and Mouse)

Answer 10

Allows for control of more than one computer using a single keyboard Monitor and mouse

Question 11

List other input devices

Answer 11

Bar code reader
Web Camera
Microphone
Facial recognition scanners
Fingerprint scanners
Near Field Communication( Tap to pay devices)