Number Systems and Codes problems
- 1. Convert 110010012 (binary) to decimal.
Options- A. 201
- B. 2001
- C. 20
- D. 210 Discuss
Correct Answer: 201
- 2. What is the difference between binary coding and binary coded decimal?
Options- A. Binary coding is pure binary.
- B. BCD is pure binary.
- C. Binary coding has a decimal format.
- D. BCD has no decimal format. Discuss
Correct Answer: Binary coding is pure binary.
- 3. What is the resultant binary of the decimal problem 49 + 1 =?
Options- A. 01010101
- B. 00110101
- C. 00110010
- D. 00110001 Discuss
Correct Answer: 00110010
- 4. ASCII codes are used strictly for representing the letters in the alphabet.
Options- A. True
- B. False Discuss
Correct Answer: False
- 5. In the gray code, each number is 3 greater than the binary representation of that number.
Options- A. True
- B. False Discuss
Correct Answer: False
- 6. When using the excess-3 code a value of 3 is added to each column of decimal digits before it is converted to a 4-bit binary code.
Options- A. True
- B. False Discuss
Correct Answer: False
- 7. The process of converting a decimal number to its binary equivalent is called binary conversion.
Options- A. True
- B. False Discuss
Correct Answer: False
- 8. The most significant digit is the rightmost, largest-weight digit in a number.
Options- A. True
- B. False Discuss
Correct Answer: False
- 9. If you borrow from a position that contains a 0, you must borrow from the more significant bit that contains a 1. All 0s up to that point become 1s, and the digit last borrowed from becomes a 0.
Options- A. True
- B. False Discuss
Correct Answer: True
- 10. Decimal numbers can be converted into binary by dividing by two and recording the remainders.
Options- A. True
- B. False Discuss
Correct Answer: True
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