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Shift causing overflow

GCSE · Computer Science · AQA · CS3.4Binary arithmetic: addition of two 8-bit numbers; binary shifts (left/right) and their multiplicative effect; overflow

Question

A pupil left-shifts the 8-bit number 11000000 by 1 to multiply by 2. State the result and explain why the answer is wrong.

4 marks · take your time before peeking.

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