Discussion
Home ‣ Digital Electronics ‣ Interfacing to the Analog World See What Others Are Saying!
- Question
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
- Correct Answer
- True
- 1. A good rule of thumb for determining the pin numbers of dual-in-line package IC chips would be to place the notch to your right and pin #1 will always be in the lower right corner.
Options- A. True
- B. False Discuss
- 2. Which is not a real advantage of HDL?
Options- A. Using higher levels of abstraction
- B. Tailoring components to exactly fit the needs of the project
- C. The use of graphical tools
- D. Using higher levels of abstraction and tailoring components to exactly fit the needs of the project Discuss
- 3. What is the significance of the J and K terminals on the J-K flip-flop?
Options- A. There is no known significance in their designations.
- B. The J represents "jump," which is how the Q output reacts whenever the clock goes high and the J input is also HIGH.
- C. The letters were chosen in honor of Jack Kilby, the inventory of the integrated circuit.
- D. All of the other letters of the alphabet are already in use. Discuss
- 4. What is used to graphically show the time relationship between two or more digital waveforms?
Options- A. reference diagram
- B. timing diagram
- C. voltage curve
- D. load line Discuss
- 5. How many BCD code bits and how many straight binary bits would be required to represent the decimal number 643?
Options- A. 12 BCD, 12 binary
- B. 12 BCD, 10 binary
- C. 12 BCD, 9 binary
- D. 16 BCD, 9 binary Discuss
- 6. The term hold always means ________.
Options- A.
- B.
- C.
- D. no change Discuss
- 7. A pulse is not perfectly square; it takes time for the digital level to rise from 0 up to 1 and to fall from 1 down to 0.
Options- A. True
- B. False Discuss
- 8. Convert hexadecimal C0B to binary.
Options- A. 110000001011
- B. 110000001001
- C. 110000001100
- D. 110100001011 Discuss
- 9. The comments in ADHL are enclosed between # characters.
Options- A. True
- B. False Discuss
- 10. The EPM 7128S is a(n) ________ device.
Options- A. PLD
- B. JTAG
- C. EEPROM
- D. ISP Discuss
More questions
Correct Answer: False
Correct Answer: The use of graphical tools
Correct Answer: The letters were chosen in honor of Jack Kilby, the inventory of the integrated circuit.
Correct Answer: timing diagram
Correct Answer: 12 BCD, 10 binary
Correct Answer: no change
Correct Answer: True
Correct Answer: 110000001011
Correct Answer: False
Correct Answer: ISP
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