Wales GCSE Digital Technology Practice Questions - Made-for-Wales GCSE Digital Technology (WJEC) Exam

What is the main role of binary digits in computer systems?

They store data only as continuous analogue waveforms They represent numbers, text, images and sound as discrete 0s and 1s They replace the need for any storage medium They convert electricity into light for fibre only

Correct Answer:

They represent numbers, text, images and sound as discrete 0s and 1s

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