Convert the octal number 725 into binary.

Options

  • A. 111010101
  • B. 110010101
  • C. 111100101
  • D. 101010111
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

A. 111010101

Detailed Explanation

Correct Answer: (A) 111010101
Convert each octal digit into its 3-bit binary equivalent:
7 = 111, 2 = 010, 5 = 101.
Combining them gives 725₈ = 111010101₂.