Convert the binary equivalent 10101 to its decimal equivalent. a) 21 b) 12 c) 22 d) 31

1 Answer

Answer :

Answer: a Explanation: To convert a binary number to its decimal equivalent follow these steps : 2 4 * 1 + 23 * 0 + 22 *1 + 21 * 0 + 20 * 1 = 21. Therefore, the answer is 21

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