Computer Science for IGCSE & O level - Data Representation (Section 9 - No. 12)
What is the range of integers that can be represented using 4 bits in two's complement format?
0 to 15
-7 to 7
-8 to 7
-15 to 0
Explanation
With n bits, the range is -2^(n-1) to 2^(n-1)-1. For 4 bits, it's -8 to 7.
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