Input devices

Question 1

QWERTY keyboard

Answer 1

Used for entering large amounts of text 
Hot keys like ctrl p shortcut for print 
Advantage - 
Skilled typist under data quickly 
Disadvantage - 
Easy to make typing mistakes

Question 2

Concept keyboard

Answer 2

Special keyboard has keys with words and pictures

Supermarkets weighing fruit

Advantage -
Fast entry
Disadvantage -
Limited options displayed

Question 3

Mouse.

Answer 3

Pointing device that controls cursor onscreen

Advantage :
Supplied with PC , easy to use
Disadvantage :
Requires flat surface

Question 4

Joystick

Answer 4

Controls movement onscreen in games

Advantage :
Easier to use than mouse
Disadvantage :
More expensive than mouse

Question 5

Tracker pad (touch sensitive pad)

Answer 5

Used as a laptop mouse

Advantage -
Less movement needed preventing injury
Disadvantage -
Very sensitive difficult to control

Question 6

Microphone

Answer 6

Inputting analogue sound to computer where it’s converted to digital

Advantage- voice recognition helpful for less mobile users
Disadvantage -
Records background noise

Question 7

Digital camera

Answer 7

Stores pictures and video clips

Advantage - stores many pics to view easily right away

Disadvantage - quality depends on camera

Question 8

Scanner

Answer 8

Converts hard copies of text/images to digital image

Advantage - saved as digital image for editing

Disadvantage -
Quality of scanned image depends on DPI(dots per inch)

Question 9

Touch screen(input and output device)

Answer 9

Finger touches screen, H&M beams of light detect touch and converted to screen coordinates

Advantage - easy to use

Disadvantage- expensive

Question 10

Graphics digester

Answer 10

Screen that captures hand drawn image using stylus

Hand drawn image converted to computer graphic for editing