An embedded microcontroller in a digital flow-rate sensor stores sensor readings as 5-bit unsigned binary integers. Which of the following additions of two 5-bit readings will result in an arithmetic overflow error?
10011 + 01010
11001 + 01110
01111 + 01111
10100 + 01011
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.