Q: What is the largest positive value that can be represented by an 8 bit 2’s complement number सबसे बड़ा धनात्मक मान क्या है जिसे एक 8 बिट 2 के पूरक संख्याओं द्वारा प्रतिनिधित्व किया जा सकता है?
A.
127
B.
128
C.
255
D.
256
Correct Answer:
Option A - 2’s complements = – (2ⁿ ⁻ ¹ ) to + (2ⁿ ⁻ ¹ -1) तक होता है।
अत: 8 bit का positive 2’s complements = (2⁸ ⁻ ¹ – 1)
2⁷–1 = 128 – 1 = 127
A. 2’s complements = – (2ⁿ ⁻ ¹ ) to + (2ⁿ ⁻ ¹ -1) तक होता है।
अत: 8 bit का positive 2’s complements = (2⁸ ⁻ ¹ – 1)
2⁷–1 = 128 – 1 = 127
Explanations:
2’s complements = – (2ⁿ ⁻ ¹ ) to + (2ⁿ ⁻ ¹ -1) तक होता है।
अत: 8 bit का positive 2’s complements = (2⁸ ⁻ ¹ – 1)
2⁷–1 = 128 – 1 = 127
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