WAEC Computer Studies 2021 Objective — Question 45
Question 45 of 50 from the West African Examinations Council (WAEC) Computer Studies 2021 Objective paper, with the correct answer and a full explanation.
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45. The binary number 0.1101 in decimal is
- A. 0.8125Correct
- B. 0.8215
- C. 0.8225
- D. 0.8512
Explanation
0.1101₂ = 1×2⁻¹+1×2⁻²+0×2⁻³+1×2⁻⁴ = 0.5+0.25+0+0.0625 = 0.8125.
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