Number Systems and Codes Questions and Answers

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Showing 10 of 146 questions
Q21
The binary number for octal 458 is ________.
  • A 100010
  • B 100101
  • C 110101
  • D 100100
Answer: Option B
Q22
The sum of 11101 + 10111 equals ________.
  • A 110011
  • B 100001
  • C 110100
  • D 100100
Answer: Option C
Q23
Convert the following binary number to decimal. 100110102
  • A 154
  • B 155
  • C 153
  • D 157
Answer: Option A
Q24
The decimal number 188 is equal to the binary number ________.
  • A 10111100
  • B 0111000
  • C 1100011
  • D 1111000
Answer: Option A
Q25
Convert the following binary number to octal. 0011010112
  • A 1538
  • B 3518
  • C 2538
  • D 3528
Answer: Option A
Q26
How many bits are in an ASCII character?
  • A 16
  • B 8
  • C 7
  • D 4
Answer: Option C
Q27
A binary number's value changes most drastically when the ________ is changed.
  • A MSB
  • B frequency
  • C LSB
  • D duty cycle
Answer: Option A
Q28
Convert decimal 213 to binary.
  • A 11001101
  • B 11010101
  • C 01111001
  • D 11100011
Answer: Option B
Q29
The decimal number for octal 748 is ________.
  • A 74
  • B 60
  • C 22
  • D 62
Answer: Option B
Q30
The sum of the two BCD numbers, 0011 + 0011, is ________.
  • A 0110
  • B 0111
  • C 0011
  • D 1100
Answer: Option A

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