Discussion
Home ‣ Digital Electronics ‣ Code Converters and Multiplexers Comments
- Question
Exclusive-AND gates are needed for conversions between Gray code and binary code.
Options- A. True
- B. False
- Correct Answer
- False
- 1. ________ counters are often used whenever pulses are to be counted and the results displayed in decimal.
Options- A. Synchronous
- B. Bean
- C. Decade
- D. BCD Discuss
- 2. In order to use a shift register as a counter, ________.
Options- A. the register's serial input is the counter input and the serial output is the counter output
- B. the parallel inputs provide the input signal and the output signal is taken from the serial data output
- C. serial in/serial out register must be used
- D. the serial output of the register is connected back to the serial input of the register Discuss
- 3. The MOD-10 counter is also referred to as a ________ counter.
Options- A. decade
- B. strobing
- C. BCD
- D. circuit Discuss
- 4. The given circuit is a(n) ________.
Options- A. three-bit synchronous binary counter
- B. eight-bit asynchronous binary flip-flop
- C. two-bit asynchronous binary counter
- D. four-bit asynchronous binary counter Discuss
- 5. A 4-bit binary up counter has an input clock frequency of 20 kHz. The frequency of the most significant bit is ________.
Options- A. 1.25 kHz
- B. 2.50 kHz
- C. 160 kHz
- D. 320 kHz Discuss
- 6. A BCD is used for communication between a computer and a human being because it is too easy to deal with arithmetically.
Options- A. True
- B. False Discuss
- 7. The microcontroller needs to use only three input lines to monitor eight separate points.
Options- A. True
- B. False Discuss
- 8. The 74154 is a 1-of-16 decoder. It accepts a 4-bit binary input.
Options- A. True
- B. False Discuss
- 9. In a priority encoder, the input with the highest priority is represented on the output.
Options- A. True
- B. False Discuss
- 10. Before you can make a design you must decide if you want an active-HIGH output.
Options- A. True
- B. False Discuss
Code Converters and Multiplexers problems
Search Results
Correct Answer: BCD
Correct Answer: the serial output of the register is connected back to the serial input of the register
Correct Answer: decade
Correct Answer: four-bit asynchronous binary counter
Correct Answer: 1.25 kHz
Correct Answer: False
Correct Answer: True
Correct Answer: True
Correct Answer: True
Correct Answer: True
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