WJEC GCSE DIGI TECH - Digital Systems

What is the primary use of a dictation system in digital devices?

• To convert text into speech

• To recognize and convert spoken words into text

• To control devices using gestures

• To enhance audio quality

Which method of speech input involves using a unique tone of voice for identification?

• Dictation system

• Voice commands

• Voice print

• Text-to-speech

What is an advantage of using speech input over keyboard input?

• It requires learning to type

• It increases the risk of repetitive strain injury

• It is faster than keyboard input

• It takes up more room on the desk

Which of the following is a disadvantage of speech input?

• It reduces typing mistakes

• Background noise can interfere with recognition

• It allows for multitasking

• It is more natural than typing

What is one advantage of using a traditional keyboard?

• It is difficult to use in noisy environments.

• Most computers do not come with a keyboard.

• A skilled typist can input data very quickly.

• Keyboards are suitable for producing diagrams.

Which of the following is a disadvantage of using a traditional keyboard?

• It is easy to make mistakes when typing data.

• Keyboards are ideal for creating diagrams.

• Most people require extensive training to use keyboards.

• Keyboards are not included with most computers.

What is a common use of a mouse with a computer?

• Typing commands in DOS.

• Moving a cursor on the screen.

• Copying and pasting text.

• Producing diagrams.

Why might excessive use of a keyboard lead to health issues?

• It can cause repetitive strain injury.

• It is not suitable for producing diagrams.

• It requires a lot of training.

• It is difficult to use in noisy environments.

What is a gesture in the context of non-contact communication?

• A type of verbal communication

• A type of non-contact communication using body movement

• A written form of communication

• A type of communication using sound waves

Which of the following is an advantage of using gestures?

• Requires additional devices

• Gestures feel unnatural

• It is possible to interact without touching surfaces

• Complex processing is not required