IGCSE Information & Communication Technology Paper-1: Specimen Questions with Answers 36 - 36 of 46

Question 36

Edit

Appeared in Year: 2009

Question

MCQ▾

From the following statements identify the advantages of keyboard.

Choices

Choice (4)
a.Have special key.
b.Less expensive.
c.Extremely reliable.
d.Both b. and a. are correct

Answer

d.

Explanation

The statement Have special key. and Less expensive. states the advantages of keyboard.

  • A computer keyboard is a typewriter-style device which uses an arrangement of buttons or keys to act as mechanical levers or electronic switches. Following the decline of punch cards and paper tape, interaction via tele printer-style keyboards became the main input method for computers.
  • Keyboard keys typically have characters engraved or printed on them, and each press of a key typically corresponds to a single written symbol. However, producing some symbols may require pressing and holding several keys simultaneously or in sequence.
  • While most keyboard keys produce letters, numbers or signs (characters), other keys or simultaneous key presses can produce actions or execute computer commands.

Advantages

  • Keyboards have special key that preform specific functions.
  • Instead of using the mouse to move the cursor can use the arrow key situated on the keyboard to move the cursor on the monitor.
  • Keyboards are less expensive because it comes with every computer.
  • They are ideal for most applications such as word-processing.
  • Able to check accuracy as text comes up onto the screen.
  • A skilled typist can enter data very quickly
  • People are used to using keyboards to enter data, they need very little training
  • Specialist keyboards are available e. g. ergonomic, gaming keyboards

Choose Paper