Find minimum two’s-complement value with three ones

Q: Find minimum two’s-complement value with three ones

This is a Software Engineering Fundamentals interview question from Bitkernel for Software Engineer roles. View the full question and solution on PracHub.

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Question

An 8-bit signed integer uses two's complement representation and has exactly three 1 bits and five 0 bits.

What is the smallest (most negative) value that can be represented under these constraints?

Options:

A. -127
B. -32
C. -125
D. -3

Find minimum two’s-complement value with three ones

Solution

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