Convert the decimal number 29 to a binary number:

A. 1101
B. 11101
C. 11001
D. 10011
E. 11011

B. 11101

Explanation:
The correct answer is option B, “11101.”
Explanation: To convert the decimal number 29 to binary:

  • 29 ÷ 2 = 14 remainder 1
  • 14 ÷ 2 = 7 remainder 0
  • 7 ÷ 2 = 3 remainder 1
  • 3 ÷ 2 = 1 remainder 1
  • 1 ÷ 2 = 0 remainder 1 Reading the remainders from bottom to top gives 11101 in binary.