Multiplication of 111<sub>2</sub> by... - Solved | MCA Prep

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Question 93

Computer Awareness Number representations Easy

Multiplication of 111<sub>2</sub> by 101<sub>2</sub> is

(A) 110011<sub>2</sub>

(B) 100011<span style="position: relative; line-height: 0; vertical-align: baseline; bottom: -0.25em;font-size:10.5px;">2</span>

(C) 111100<span style="position: relative; line-height: 0; vertical-align: baseline; bottom: -0.25em;font-size:10.5px;">2</span>

(D) 000101<span style="position: relative; line-height: 0; vertical-align: baseline; bottom: -0.25em;font-size:10.5px;">2</span>

✓ Correct Answer: Option B Verified Solution

📘 Step-by-Step Solution & Detailed Explanation:

\(111_2 = 7\) and \(101_2 = 5\). So \(7 \times 5 = 35\).

\(35 = 32 + 2 + 1 = 100011_2\)

Answer: (B) \(100011_2\)

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