WAEC Computer Studies 2025 Objective — Question 45

Question 45 of 50 from the West African Examinations Council (WAEC) Computer Studies 2025 Objective paper, with the correct answer and a full explanation.

Convert 70 from base ten to octal.

A. 018
B. 106Correct
C. 601
D. 810

Explanation

70₁₀ ÷ 8 = 8 remainder 6; 8 ÷ 8 = 1 remainder 0; 1 ÷ 8 = 0 remainder 1. Reading remainders bottom-up gives 106₈.

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