Decimal form of (111)₂ is _____?
- 7
- 5
- 9
- None of these
Explanation
To convert the binary number (111)₂ to decimal:
(111)₂ = 1 × 2² + 1 × 2¹ + 1 × 2⁰
= 1 × 4 + 1 × 2 + 1 × 1
= 4 + 2 + 1
= 7
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