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EnglandComputer ScienceQuick questions
Topic 2: Data
Quick questions on Binary addition, shifts and overflow - 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 is not recognising overflow?Show answer
If the true answer needs more bits than the register holds, say "overflow has occurred so the stored answer is wrong", rather than silently dropping the carry.
What is q1?Show answer
Add the 8-bit binary numbers and . [2 marks]
What is q2?Show answer
State the effect on the denary value of a logical right shift of 1. [1 mark]
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