Number Systems and Codes problems
- 1. The binary number for octal 458 is ________.
Options- A. 100010
- B. 100101
- C. 110101
- D. 100100 Discuss
Correct Answer: 100101
- 2. Convert the following BCD number to decimal.
100000000011bcd
Options- A. 8003
- B. 803
- C. 1003
- D. 103 Discuss
Correct Answer: 803
- 3. Convert 45710 to hexadecimal.
Options- A. 711
- B. 2C7
- C. 811
- D. 1C9 Discuss
Correct Answer: 1C9
- 4. What decimal number does 25 represent?
Options- A. 10
- B. 31
- C. 25
- D. 32 Discuss
Correct Answer: 32
- 5. Convert the following octal number to binary.
768
Options- A. 1101112
- B. 1111102
- C. 1111002
- D. 1001112 Discuss
Correct Answer: 1111102
- 6. Convert the Gray code 1011 to binary.
Options- A. 1011
- B. 1010
- C. 0100
- D. 1101 Discuss
Correct Answer: 1101
- 7. The base of the hexadecimal system is:
Options- A. eight.
- B. sixteen.
- C. ten.
- D. two. Discuss
Correct Answer: sixteen.
- 8. Convert the following binary number to decimal.
100110102
Options- A. 154
- B. 155
- C. 153
- D. 157 Discuss
Correct Answer: 154
- 9. The difference of 111 ? 001 equals ________.
Options- A. 100
- B. 111
- C. 001
- D. 110 Discuss
Correct Answer: 110
- 10. What is the result when a decimal 5238 is converted to base 16?
Options- A. 327.375
- B. 12.166
- C. 1388
- D. 1476 Discuss
Correct Answer: 1476
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