0478.1.1.15 — Perform a logical binary shift on a positive 8-bit • Perform logical left shifts: past paper questions

Real questions on 0478.1.1.15 — perform a logical binary shift on a positive 8-bit • perform logical left shifts

The newest 7 of 7 written questions. Open one to see it on the real paper.

1. 0478/12 · October/November 2025 · Q2b[3]

   A logic right shift of three places is performed on the binary number 11110101. Give the denary number for the binary number that would be stored after the logical shift of three places has occurred. Show all of your working.

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2. 0478/11 · October/November 2024 · Q3c[1]

   the binary number after the logical right shift of two places is performed.

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3. 0478/11 · May/June 2024 · Q3a[1]

   Give the 8-bit binary number that will be stored after the shift has taken place.

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4. 0478/11 · May/June 2024 · Q3b[1]

   Tick one box to show which statement about a logical left shift of two places is correct.

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5. 0478/12 · February/March 2024 · Q8c[2]

   Logical shifts are performed on binary integers. State the mathematical effect of a right shift of four places on a positive binary integer.

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6. 0478/13 · May/June 2023 · Q1c(i)[1]

   Give the 8-bit binary number that would be stored after this logical left shift.

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7. 0478/13 · May/June 2023 · Q1c(ii)[1]

   Tick (3) one box to show which statement is true about the impact the logical left binary shift would have on the binary number. A The least significant bits are lost. B The most significant bits are lost. C The number has been divided by six. D The number stays the same.

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What examiners said

Most candidates were able to give the correct binary number.

— Examiner report, May/June 2023, 0478/13 Q1(c)(i) (Cambridge)