A deep-sea submersible records a depth deviation of −93 metres-93\text{ metres}−93 metres relative to a reference level. The submersible's 8-bit digital register represents this value as a signed integer using two's complement representation.
Determine the 8-bit binary representation of the denary number −93-93−93.
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.