An environmental monitoring system encodes the status of eight independent gas sensors into a single 8-bit binary byte, reading from left to right with the most significant bit representing 128.
At midday, the system reports the status byte as 1011 0100.
Convert this 8-bit binary pattern to its denary equivalent.
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.