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EnglandComputer ScienceQuick questions
Topic 2: Data
Quick questions on Two's complement and denary-binary conversion: signed integers and 8-bit conversion - Edexcel GCSE Computer Science
3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What are not padding to 8 bits?Show answer
A conversion answer must have the requested number of bits, with leading zeros if needed.
What is q1?Show answer
Convert the 8-bit two's complement number to denary. [1 mark]
What is q2?Show answer
State the range of values that 8-bit two's complement can represent. [1 mark]
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