Two 8-bit unsigned binary integers are added together. Before the addition is carried out, the Most Significant Bit (MSB) of the first binary number is changed from 1 to 0.
Explain the effect of this change on the final sum.
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.