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Data Representation
Quick questions on Floating-point representation explained: H2 Computing
4short 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 the three fields?Show answer
A floating-point number splits a fixed number of bits into three parts:
What is q1?Show answer
State the role of the exponent field in a floating-point number. [1 mark]
What is q2?Show answer
Explain what normalising a mantissa achieves. [2 marks]
What is q3?Show answer
A format gains two extra exponent bits taken from the mantissa. State the effect on range and precision. [2 marks]
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