Difficulty: Easy
Correct Answer: 1111102
Explanation:
Introduction / Context:
Converting from octal to binary is performed by replacing each octal digit with its 3-bit binary code and concatenating the results.
Given Data / Assumptions:
Concept / Approach:
Write each digit in 3-bit form and place them side by side: 7 (111), 6 (110). This yields the binary string 111110₂.
Step-by-Step Solution:
Verification / Alternative check:
Group 111110 by threes from the right: 111 (7), 110 (6) → 76₈.
Why Other Options Are Wrong:
Common Pitfalls:
Using four bits per octal digit or reversing digit order.
Final Answer:
111110₂
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