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- Question
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
- Correct Answer
- False
- 1. In the gray code, each number is 3 greater than the binary representation of that number.
Options- A. True
- B. False Discuss
- 2. ASCII codes are used strictly for representing the letters in the alphabet.
Options- A. True
- B. False Discuss
- 3. A semiconductor using the hall effect will detect magnetic fields.
Options- A. True
- B. False Discuss
- 4. The optically coupled isolator interrupter module is used to transfer switching information between two electrically isolated points.
Options- A. True
- B. False Discuss
- 5. To turn an SCR off, simply remove the gate voltage.
Options- A. True
- B. False Discuss
- 6. The process of converting a decimal number to its binary equivalent is called binary conversion.
Options- A. True
- B. False Discuss
- 7. The most significant digit is the rightmost, largest-weight digit in a number.
Options- A. True
- B. False Discuss
- 8. 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
- 9. Decimal numbers can be converted into binary by dividing by two and recording the remainders.
Options- A. True
- B. False Discuss
- 10. The addition 1 + 0 doesn't generate a carry bit; one does not exist.
Options- A. True
- B. False Discuss
Number Systems and Codes problems
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