Computer Science > GCSE MARK SCHEME > Pearson Edexcel International GCSE in Computer Science (4CP0_01) Paper 1: Principles of Computer Sci (All)

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Pearson Edexcel International GCSE in Computer Science (4CP0_01) Paper 1: Principles of Computer Science Mark Scheme (Provisional) Summer 2021

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Question Number Answer Additional Guidance Mark 1(a) The only correct answer is B A is not correct because computers only understand binary C is not correct because Hex values will be held as b... inary so take up the same space D is not correct because Hex values are held as binary and so take the same time to execute 1 Question Number Answer Additional Guidance Mark 1(b) Award one mark for each of: • 5 • A Must be in the correct order 2 Question Number Answer Additional Guidance Mark 1(c) The only correct answer is B A is incorrect because this is the number of binary patterns that can be represented by 7 bits C is not correct because this is the number of binary patterns that can be represented by 9 bits D is not correct because this is the number of binary patterns that can be represented by 10 bits 1 Question Number Answer Additional Guidance Mark 1(d) Award one mark for each nibble 0110 0101 2 Question Number Answer Additional Guidance Mark 1(e) Award one mark from: • 01000 (1) • 1000 (1) 1 http://britishstudentroom.wordpress.com/Question Number Answer Additional Guidance Mark 1(f) 7 1 Question Number Answer Additional Guidance Mark 1(g)(i) Award one mark from: • The smallest block (of colour) in an image (1) • A single dot in a picture (1) • A picture element (1) 1 1(g)(ii) Award one mark from: • 8 x 9 (1) • 9 x 8 (1) Accept 72 [Show More]

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Pearson EDEXCEL gcse COMPUTER SCIENCE QUESTIONS PAPERS AND MARKIND SCHEMES. LATEST 2022 REVISION GUIDE.

This bundle comptrises of all edexcel computer science Pearsons. Download to score. Highly discounted Pearson Edexcel International GCSE in Computer Science (4CP0_01) Paper 1: Principles of Computer...

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