A digital signal processor represents audio sample amplitudes as 12-bit signed integers. Describe the process of converting a positive 12-bit binary amplitude value into its negative equivalent using the two's complement system.
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.