IGCSE Information & Communication Technology Paper-1: Specimen Questions with Answers 11 - 11 of 45

Question number: 11

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Appeared in Year: 2009

MCQ▾

Question

Which of the following statements state the disadvantages of keyboard?

Choices

Choice (4)Response

a.

Could cause carpal tunnel syndrome.

b.

Less expensive.

c.

Easy to make mistakes.

d.

Both c. and a. are correct

Answer

d.

Explanation

  • The statement Easy to make mistakes. and Could cause carpal tunnel syndrome. states the disadvantages of keyboard.

  • The keyboard is the most common and widely used input device. It is made up of buttons called ‘keys’. The keys are arranged into sections:

    • Alphabet keys

    • Command keys (insert, delete, home, end, page up/down)

    • Numeric keys (one set above the alphabet keys and a numeric keypad on the right)

    • Function or F keys (F1, F2, F3)

    • Arrow keys

  • Most keyboards are called ‘QWERTY’ keyboards. This name comes from the first six letters on the top row of the alphabet keys.

Disadvantages

  • It is easy to make mistakes when typing in data.

  • Disabled people often find keyboards difficult to use.

  • If you can’t touch type, it can be time consuming to enter data.

  • Keyboards are not suitable for creating diagrams.

  • Excessive use can lead to health problems such as repetitive strain injury (R. S. I. )

  • It is a slow method when you need to write a long piece of writing when there are faster ways such as scanning and dictation.

  • Can cause strain injury by typing too much.

  • It is quite hard for people who don’t have touch-typing skills which could cause a lot of problems such as accuracy and frustration, The person using the keyboard have to learn how to type.

  • The frequent movement from keyboard to move and back could cause carpal tunnel syndrome.

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