2025 AQA GCSE COMPUTER SCIENCE Paper 2 Computing Concepts Question Paper & Mark Scheme (Merged) May 2025 [VERIFIED]

2025 AQA GCSE COMPUTER SCIENCE Paper 2 Computing Concepts
Question Paper & Mark Scheme (Merged) May 2025 [VERIFIED]




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Answer all questions. box


0 1 . 1 State the number of bits in one byte.
[1 mark]




0 1 . 2 State the number of different values that can be represented using three bits.
[1 mark]




0 1 . 3 Which number base is called binary? Shade

one lozenge.
[1 mark]


A Base 2

B Base 8

C Base 10

D Base 16




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0 2 . 1 Convert the hexadecimal number 3F into decimal. You box

should show your working.
[2 marks]




0 2 . Add together the following three binary numbers. Give your
2
answer in binary.

[2 marks]


0 0 1 0 1 0 0 1
0 1 0 1 1 0 0 0

+0 1 0 0 1 1 0 1

7




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