An electronic music synthesizer represents the cutoff frequency of a low-pass filter using an 8-bit unsigned binary integer.
Convert the 8-bit binary number 1011 0110 to denary. Show your working.
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.