Discussion
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- Question
The timing network that sets the output frequency of a 555 astable circuit contains ________.
Options- A. three external resistors are used
- B. two external resistors and an external capacitor are used
- C. an external resistor and two external capacitors are used
- D. no external resistor or capacitor is required
- Correct Answer
- two external resistors and an external capacitor are used
- 1. PALs tend to execute ________ logic.
Options- A. SAP
- B. SOP
- C. PLA
- D. SPD Discuss
- 2. 34FC + AD31 = ________.
Options- A. E22D
- B. E31D
- C. E21D
- D. E42D Discuss
- 3. A decimal 11 in BCD is ________.
Options- A. 00001011
- B. 00001100
- C. 00010001
- D. 00010010 Discuss
- 4. Convert the following BCD number to decimal.
010101101001bcd
Options- A. 539
- B. 2551
- C. 569
- D. 1552 Discuss
- 5. Parallel transmission is faster than serial.
Options- A. True
- B. False Discuss
- 6. The complement of 1 is 0.
Options- A. True
- B. False Discuss
- 7. Digital signal processing must be at least half as fast as the incoming signal to be processed.
Options- A. True
- B. False Discuss
- 8. In the keypad HDL encoder, NANDing of the columns is used to activate the freeze bit.
Options- A. True
- B. False Discuss
- 9. Resolution in the analog output of a DAC is primarily dependent on the number of input binary bits.
Options- A. True
- B. False Discuss
- 10. The carry-out of a binary adder is identified using the summation symbol, sigma.
Options- A. True
- B. False Discuss
More questions
Correct Answer: SOP
Correct Answer: E22D
Correct Answer: 00010001
Correct Answer: 569
Correct Answer: True
Correct Answer: True
Correct Answer: False
Correct Answer: False
Correct Answer: True
Correct Answer: False
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