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Computer Organization & Architecture
Memory Hierarchy & Floating Point
GATE 2013
Easy

The smallest integer that can be represented by an 8-bit number in 2's complement form is

  • A-256
  • -128
  • C-127
  • D0

Explanation

An n-bit 2's complement representation covers the range −2^(n−1) to 2^(n−1)−1. For n=8, the smallest value is −2⁷ = −128.

Source: GATE CS 2013 (2013)

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