manual input devices

Question 1

advantages of a keyboard

Answer 1

-easy to use
-fast entry of text

Question 2

disadvantages of a keyboard

Answer 2

-slower compared to direct data entry
-large and takes space

Question 3

advantages of numeric keypad

Answer 3

-quicker than keyboard to input numeric data
-small and easily fits onto devices

Question 4

disadvantages of numeric keypad

Answer 4

-keys can be too small
-difficult to type letters in brick phones

Question 5

advantages of a mouse

Answer 5

-easy to navigate
-quicker than keyboard in selecting options

Question 6

disadvantages of a mouse

Answer 6

-flat surface is required
-might be difficult for people with wrist issues

Question 7

advantages of a touchpad

Answer 7

-included in laptop so no need for separate device
-takes less room than a mouse

Question 8

disadvantages of a touchpad

Answer 8

-more difficult to use compared to a mouse
-more expensive than a mouse

Question 9

advantages of a trackerball

Answer 9

-easier to use compared to a mouse
-more accurate pointer positioning

Question 10

disadvantages of a trackerball

Answer 10

-usually more expensive
-unfamiliar to users

Question 11

advantages of a remote control

Answer 11

-can be used from a distance
-safer if controlling dangerous equipment

Question 12

disadvantages of a remote control

Answer 12

-signal can be blocked by obstacles

Question 13

advantages of a joystick

Answer 13

-easier to play with compared to a computer keyboard
-easy to get used to

Question 14

disadvantages of a joystick

Answer 14

-difficult to input text

Question 15

advantages of touchscreen

Answer 15

-easy to select options
-no training needed

Question 16

disadvantages of touchscreen

Answer 16

-options can accidentally be selected
-screen can get dirty

Question 17

advantages of scanners

Answer 17

-copies can be created
-easy to scan

Question 18

disadvantages of scanners

Answer 18

-quality depends on resolution settings
-scanned images take alot of diskspace

Question 19

advantages of digital cameras

Answer 19

-no film to develop
-easy to delete unwanted images
-easily transferred

Question 20

disadvantages of digital cameras

Answer 20

• dont have the good quality of traditional ones
  -takes up more memory

Question 21

advantages of microphone

Answer 21

-voice overs can be added to presentations
-makes driving safer as you can use your phone hands free

Question 22

disadvantages of a microphone

Answer 22

-sound files take alot of space
-voice recognition isnt as accurate as typing text into a computer

Question 23

advantages of graphics tablet

Answer 23

-accurate drawing method compared to pointer devices
-useful in countries where symbols are used instead of text

Question 24

disadvantages of graphics tablet

Answer 24

-can be expensive
-longer to produce drawings

Question 25

advantages of webcams

Answer 25

-allows for face to face chats
-can contact people without travelling

Question 26

disadvantages of webcams

Answer 26

-quality is dependant on internet connection
-usually in a fixed position

Question 27

advantages of light pens

Answer 27

-more accurate than touchscreen
-can be used when there isnt room for a mouse