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Previous Year Question (PYQs)

The least values of a signed and unsigned data type variables requiring 8 bits, would be:




Solution

For 8-bit signed integer (two’s complement):


Range = $-2^{7}$ to $2^{7}-1$


Least value = $-128$


For 8-bit unsigned integer:


Range = $0$ to $2^{8}-1$


Least value = $0$


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