2.1 ict

Question 1

Uses of keyboard

Answer 1

• Entering data manually into
  a computer
• Typing in commands to a
  computer

Question 2

advanatges of keyboard

Answer 2

• Easy method of
  entering data into a
  computer
• Well-known method
• Easier to do verification
  checks on data entered

Question 3

disadvantages of keyboard

Answer 3

• Can be difficult to
  use for people with certain physical disabilities
• Slow method
  when compared
  to direct data
  entry

Question 4

uses of numeric pad

Answer 4

• Automatic teller machines
  (ATMs) to key in PIN to
  obtain money
• At POS terminals in case the
  barcode reader fails to read
  the barcode
• Chip and PIN devices when
  paying by credit/debit
  cards

Question 5

advantages of numeric pad

Answer 5

• Faster than standard
  keyboards when
  entering numeric data
• Easy-to-use input
  device since it involves
  fewer keys

Question 6

disadvantages of numeric pad

Answer 6

• Sometimes have
  small keys which
  can make input
  more difficult
• Sometimes the
  order of the
  numbers on the
  keypad is not
  intuitive

Question 7

uses of pointing device

Answer 7

• Controls the position of an
  on-screen pointer to allow
  selection, open/close files
  and so on

Question 8

advantage of pointing device

Answer 8

• Faster method for
  choosing an on-screen
  option rather than using
  a keyboard
• Does not need a large
  desk area when
  compared to a
  keyboard

Question 9

disadvantage of pointing device

Answer 9

• Difficult to use by
  people with
  certain
  disabilities
• Can lead to
  injuries such as
  RSI
• Some surface
  don’t work well
  with mechanical
  mice[mouse slips
  on the surface]