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Home ‣ Electronics ‣ Number Systems and Codes Comments
- Question
ASCII codes are used strictly for representing the letters in the alphabet.
Options- A. True
- B. False
- Correct Answer
- False
- 1. A semiconductor using the hall effect will detect magnetic fields.
Options- A. True
- B. False Discuss
- 2. The optically coupled isolator interrupter module is used to transfer switching information between two electrically isolated points.
Options- A. True
- B. False Discuss
- 3. To turn an SCR off, simply remove the gate voltage.
Options- A. True
- B. False Discuss
- 4. A silicon-controlled rectifier (SCR) has 3 terminals labeled base, collector, and emitter.
Options- A. True
- B. False Discuss
- 5. SCRs are four-layer devices that are either fully conducting or not conducting.
Options- A. True
- B. False Discuss
- 6. In the gray code, each number is 3 greater than the binary representation of that number.
Options- A. True
- B. False Discuss
- 7. 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
- 8. The process of converting a decimal number to its binary equivalent is called binary conversion.
Options- A. True
- B. False Discuss
- 9. The most significant digit is the rightmost, largest-weight digit in a number.
Options- A. True
- B. False Discuss
- 10. 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
Number Systems and Codes problems
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