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BECE Computing 2024 Paper

Question : 29

Total: 40

Solution:

Concept:

Computers process numbers in binary (base 2), so the decimal number 20 must be converted to its binary equivalent.

Explanation:

Divide 20 by 2 repeatedly and record the remainders:

20 \div 2 = 10

remainder

0

10 \div 2 = 5

remainder

0

5 \div 2 = 2

remainder

1

2 \div 2 = 1

remainder

0

1 \div 2 = 0

remainder

1

Reading the remainders from bottom to top gives

10100_2

Answer:

C. 10100

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