A scientific instrument outputs its status logs as a sequence of characters encoded in standard 7-bit ASCII. Determine the total number of bits required to represent a status message that is exactly 12 characters long.
40 exam-style questions on Edexcel GCSE Computer Science Data representation, covering Encoding characters with 7-bit ASCII, Representing bitmap images in binary, Representing analogue sound in binary, and Limitations of binary representation. Each one has a worked solution and a mark scheme showing where the marks go.