AQA · GCSE · Computer Science · Higher
Megabytes-to-bits storage conversion
Calculate the number of bits in 7 MB.
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Marking points
- 1 For full credit, reaches 56 000 000 bits.
- 2 If the final answer is wrong, check for one official working-mark operation.
Full-mark answer
7 × 1 000 000 × 8 = 56 000 000 bits
Why this answer loses marks
I converted the storage amount to bytes but stopped there.
The requested unit is bits, so the byte total needs one further unit conversion.