A smart greenhouse uses an embedded system to monitor environmental conditions.
The target humidity level for a specific tropical plant is 75%.
Convert the denary number 75 to an 8-bit binary number.
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.