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WalesComputer ScienceQuick questions
Unit 1: Data representation and data types
Quick questions on Representing images - WJEC GCSE Computer Science (Unit 1)
2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
An image uses a colour depth of bits per pixel. How many different colours can it show? [1 mark]
What is q2?Show answer
A black-and-white image is pixels by pixels with a colour depth of bit. Calculate its size in bytes. [2 marks]
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