दशमलव में 10011010 क्या है?

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PGCIL DT Electrical 22 Aug 2021 Official Paper (SR II)
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  1. 154
  2. 128
  3. 142
  4. 136

Answer (Detailed Solution Below)

Option 1 : 154
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द्विआधारी को दशमलव तुल्यांक में बदलने के चरण:

चरण 1: द्विआधारी  लिखिए:

10011010

चरण 2: द्विआधारी संख्या के प्रत्येक अंक को दो की संगत घात से गुणा कीजिए:

1 × 27 + 0×26 + 0 × 25 + 1 × 24 + 1 × 23 + 0 × 22 + 1 × 21 + 0 × 20

चरण 3: घातों को हल कीजिए:

1×128 + 0 × 64 + 0 × 32 + 1 × 16 + 1 × 8 + 0 × 4 + 1 × 2 + 0 × 1 = 128 + 0 + 0 + 16 + 8 + 0 + 2 + 0

चरण 4: ऊपर लिखी संख्याओं को जोडियें:

128 + 0 + 0 + 16 + 8 + 0 + 2 + 0 = 154

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