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Binary

EasyMedium
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384
Question 27

A smart irrigation system displays the current soil moisture level as a percentage in denary.

Convert the 8-bit binary number 0101 1010 to denary. Show your working.

[2]
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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