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Q: Which of the following is a binary number?
  • A. 100101
  • B. 2341
  • C. 101C11
  • D. 5F6034
Correct Answer: Option A - In binary numbering system, two digits 0 and 1 are called binary number or bit in brief. Hence, option (a) is correct.
A. In binary numbering system, two digits 0 and 1 are called binary number or bit in brief. Hence, option (a) is correct.

Explanations:

In binary numbering system, two digits 0 and 1 are called binary number or bit in brief. Hence, option (a) is correct.