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Home ‣ Digital Electronics ‣ Describing Logic Circuits See What Others Are Saying!
- Question
The given figure shows the correct logic implementation of the distributive law.
Options- A. True
- B. False
- Correct Answer
- True
- 1. In the frequency counter, the length of time for the ________ to be enabled can be selected with the range select input.
Options- A. display register
- B. frequency prescaler
- C. BCD counter
- D. signal generator Discuss
- 2. How many pins does the 4049 IC have?
Options- A. 14
- B. 16
- C. 18
- D. 20 Discuss
- 3. In a counter-ramp A/D converter, the end-of-conversion line must be tied back to the clear input of the counter to change the circuit to perform continuous conversions.
Options- A. True
- B. False Discuss
- 4. Subtract the following binary numbers.
0101 1000 1010 0011 1101 1110 ?0010 0011 ?0011 1000 ?0101 0111
Options- A. 0011 0100 0110 1010 1000 0110
- B. 0011 0101 0110 1011 1000 0111
- C. 0011 0101 0110 1010 1000 0111
- D. 0011 0101 0110 1010 1000 0110 Discuss
- 5. One advantage that MOSFET transistors have over bipolar transistors is ________.
Options- A. high input impedance
- B. higher switching speed
- C. low input impedance
- D. reduced propagation delay Discuss
- 6. What is meant by parallel load of a counter?
Options- A. Each FF is loaded with data on a separate clock.
- B. The counter is cleared.
- C. All FFs are preset with data. Discuss
- 7. For a one-shot application, how can HDL code be used to make a circuit respond once to each positive transition on its trigger input?
Options- A. By using a counter
- B. By using an active clock
- C. By using an immediate reload
- D. By using edge trapping Discuss
- 8. Which is not a type of PLD?
Options- A. SPLD
- B. HPLD
- C. CPLD
- D. FPGA Discuss
- 9. An astable multivibrator is a circuit that ________.
Options- A. has two stable states
- B. is free-running
- C. produces a continuous output signal
- D. is free-running and produces a continuous output signal Discuss
- 10. If a memory design allows a storage location to be accessed without first sequencing through other locations, it is called Random Access Memory.
Options- A. True
- B. False Discuss
More questions
Correct Answer: BCD counter
Correct Answer: 16
Correct Answer: True
Correct Answer: 0011 0101 0110 1011 1000 0111
Correct Answer: high input impedance
Correct Answer: All FFs are preset with data.
Correct Answer: By using edge trapping
Correct Answer: HPLD
Correct Answer: produces a continuous output signal
Correct Answer: True
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