WAEC Computer Studies 2025 Paper

Concept:Convert the decimal number $26$ to its binary equivalent by successive division by $2$.Explanation:Divide $26$ by $2$.Quotient is $13$, remainder is $0$.Divide $13$ by $2$.Quotient is $6$, remainder is $1$.Divide $6$ by $2$.Quotient is $3$, remainder is $0$.Divide $3$ by $2$.Quotient is $1$, remainder is $1$.Divide $1$ by $2$.Quotient is $0$, remainder is $1$.Read the remainders from bottom to top: $11010$.Thus, $26_{10} = 11010_2$.This matches option D.Answer:D. $11010$