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

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2025 AQA GCSE COMPUTER SCIENCE Paper 2 Computing Concepts Question Paper & Mark Scheme (Merged) May 2025 [VERIFIED] 5r for more: tyrionp 8ape s.c m 2o IB/G/Jun25/G4005/V6 5/2 2 Do not write outside the for more: IB/G/Jun25/8525/2 Answer all questions. box . State the number of bits in one byte. [1 mark] . State the number of different values that can be represented using three bits. [1 mark] . Which number base is called binary? Shade one lozenge. [1 mark] A Base 2 B Base 8 C Base 10

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




8 52 5/2
for more: tyrionpapers.com

IB/G/Jun25/G4005/V6

, 2
Do not write
outside the
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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IB/G/Jun25/8525/2

, 3
Do not write
outside the
0 2 . 1 Convert the hexadecimal number 3F into decimal. box



You should show your working.
[2 marks]




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




Turn over for the next question




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IB/G/Jun25/8525/2

, 4
Do not write
outside the
Turn over ►




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IB/G/Jun25/8525/2

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