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Binary

EasyMedium
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Question 44

Identify which of the following 4-bit unsigned binary additions will result in an overflow error.

A

0101+10010101 + 10010101+1001

B

1010+01001010 + 01001010+0100

C

1100+01011100 + 01011100+0101

D

0111+01110111 + 01110111+0111

Markscheme

Binary Questions

  1. GCSE
  2. /Computer Science
  3. /Binary

117 exam-style questions on Edexcel GCSE Computer Science Binary, covering Binary representation and number of states, Unsigned and two's complement integers, Converting denary and 8-bit binary, Binary addition and binary shifts, Concept of overflow, and Hexadecimal notation and conversion. Each one has a worked solution and a mark scheme showing where the marks go.

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