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- Question
ASCII codes are used strictly for representing the letters in the alphabet.
Options- A. True
- B. False
- Correct Answer
- False
- 1. An open feedback resistor in an inverting or noninverting op-amp circuit can cause severe clipping of the output signal.
Options- A. True
- B. False Discuss
- 2. The resistors Rf and Ri in an op-amp circuit control ______ .
Options- A. positive feedback and current gain
- B. negative feedback and power gain
- C. negative feedback and voltage gain
- D. open and closed loop gain Discuss
- 3.
The circuit in the given circuit is a low-pass filter.
Options- A. True
- B. False Discuss
- 4. The common-mode rejection ratio (CMMR) is the ratio of _____ to ______.
Options- A. the differential voltage gain, the common-mode voltage gain
- B. the differential power gain, the common-mode power gain
- C. the ideal voltage gain, the actual voltage gain
- D. signal voltage, noise voltage Discuss
- 5. An emitter-follower has a voltage gain that is __________.
Options- A. much less than one
- B. approximately equal to one
- C. greater than one
- D. zero Discuss
- 6. The ________ is the "brains" of every microcomputer.
Options- A. ROM
- B. ALU
- C. CPU
- D. MPU Discuss
- 7. An input to the mode pin of an arithmetic-logic unit (ALU) determines if the function will be _________.
Options- A. one's complemented
- B. positive or negative
- C. with or without carry
- D. arithmetic or logic Discuss
- 8. The output of a NAND gate is the same as the inverted output of an AND gate.
Options- A. True
- B. False Discuss
- 9. How many basic binary subtraction combinations are possible?
Options- A. 4
- B. 3
- C. 2
- D. 1 Discuss
- 10. What causes the piezoelectric effect?
Options- A. heat or dissimilar metals
- B. pressure on a crystal
- C. water running on iron
- D. a magnetic field Discuss
More questions
Correct Answer: True
Correct Answer: negative feedback and voltage gain
Correct Answer: True
Correct Answer: the differential voltage gain, the common-mode voltage gain
Correct Answer: approximately equal to one
Correct Answer: CPU
Correct Answer: arithmetic or logic
Correct Answer: True
Correct Answer: 4
Correct Answer: pressure on a crystal
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