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GCSE Computer Science · key term
A zero placed before the first non-zero digit of a number. Leading zeros do not change the value of a positive binary integer.
Used by OCR
Paper 1
Revise: Binary and Hexadecimal ConversionIf the leftmost group has fewer than four bits, add leading zeros to complete it. Then replace each nibble with its hexadecimal digit, keeping the groups in the same order.
Keep leading zeros when an answer is requested as an 8-bit binary number.
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