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EnglandComputer ScienceQuick questions
1.4 Data types, data structures and algorithms
Quick questions on Floating-point binary, normalisation and the range-precision trade-off - OCR A-Level Computer Science H446
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 q1?Show answer
State what the mantissa and the exponent each contribute to a floating-point number. [2 marks]
What is q2?Show answer
State the leading bits of a normalised positive mantissa and a normalised negative mantissa. [2 marks]
What is q3?Show answer
State the effect on a floating-point format of moving two bits from the exponent to the mantissa. [1 mark]
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