Bit manipulation past paper questions

Computer Science 9618 · Processor Fundamentals. Logical, arithmetic and cyclic shifts; AND, OR, XOR and bit masks; testing, setting and clearing bits.

It came up in 23 of 104 papers, for about 3 marks a paper when it does. It last came up in October/November 2025.

Often set with Assembly Language, Data Representation, Central Processing Unit (CPU) Architecture.

25 questions, newest first

9618/11/O/N/25 Question 4 · 4 marks
9618/13/O/N/25 Question 2 part (c) · 1 mark
9618/11/M/J/25 Question 8 parts (b(i)) (b(ii)) (b(iii)) · 3 marks
9618/12/M/J/25 Question 7 parts (b(i)) (b(ii)) · 2 marks
9618/13/M/J/25 Question 5 part (b) · 2 marks
9618/13/M/J/25 Question 7 parts (a(i)) (a(ii)) · 2 marks
9618/12/O/N/24 Question 8 parts (b(i)) (b(ii)) · 6 marks
9618/13/O/N/24 Question 7 part (b) · 3 marks
9618/13/O/N/24 Question 8 part (c) · 2 marks
9618/11/M/J/24 Question 4 part (b) · 3 marks
9618/13/M/J/24 Question 3 part (b) · 3 marks
9618/11/O/N/23 Question 8 parts (c(i)) (c(ii)) (c(iii)) · 3 marks
9618/11/M/J/23 Question 3 part (d(vi)) · 1 mark
9618/12/M/J/23 Question 4 part (d) · 1 mark
9618/11/O/N/22 Question 6 parts (b(i)) (b(ii)) (b(iii)) (b(iv)) · 4 marks
9618/12/O/N/22 Question 7 parts (b(i)) (b(ii)) (b(iii)) (b(iv)) · 4 marks
9618/13/O/N/22 Question 6 parts (b(i)) (b(ii)) (b(iii)) · 3 marks
9618/12/M/J/22 Question 3 part (d) · 1 mark
9618/13/M/J/22 Question 3 part (c) · 3 marks
9618/13/O/N/21 Question 6 part (b) · 4 marks
9608/11/M/J/21 Question 3 parts (c(i)) (c(ii)) · 2 marks
9608/12/M/J/21 Question 4 part (b) · 3 marks
9618/11/M/J/21 Question 3 parts (c(i)) (c(ii)) · 2 marks
9618/12/M/J/21 Question 4 parts (b(ii)) (b(iii)) · 3 marks
9618/13/M/J/21 Question 3 parts (c(i)) (c(ii)) · 2 marks

More in Processor Fundamentals: Central Processing Unit (CPU) Architecture, Assembly Language.

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