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0 of 5 objectives have lessons · 0 studied · 0 secure
Lessons for this topic haven’t been written yet. The objectives below show exactly what the syllabus expects, so you can plan with them in the meantime.
What Cambridge says you should be able to do, in our words. Codes are the topic number plus the objective’s position.
Describe the format of binary floating-point real numbers.
Use two's complement form. Understand the effects of changing the allocation of bits between the mantissa and the exponent in a floating-point representation.
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Convert binary floating-point real numbers into denary, and denary into binary floating-point.
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Normalise floating-point numbers.
Understand the reasons for normalisation.
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Understand the consequences of a binary representation only being an approximation to the real number it represents (in certain cases).
Understand how underflow and overflow can occur.
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Understand that binary representations can give rise to rounding errors.
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