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- Question
In a 4-bit R/2R ladder digital-to-analog converter, because of negative feedback, the operational amplifier keeps the inverting (minus) input near ________.
Options- A. 5 volts
- B. zero volts
- C. a voltage determined by the binary weighted input
- D. none of the above
- Correct Answer
- zero volts
- 1. Several manufacturers have developed logic that combines the best features of TTL and CMOS. This is called ________.
Options- A. 12L
- B. BiCMOS
- C. 74ACT
- D. 74HCT Discuss
- 2. Which of the examples below expresses the distributive law?
Options- A. (A + B) + C = A + (B + C)
- B. A(B + C) = AB + AC
- C. A + (B + C) = AB + AC
- D. A(BC) = (AB) + C Discuss
- 3. A flip-flop is in the CLEAR condition when
.
Options- A. True
- B. False Discuss
- 4. The duty cycle of the most significant bit from a 4-bit (0?9) BCD counter is ________.
Options- A. 10%
- B. 20%
- C. 50%
- D. 80% Discuss
- 5. One example of the use of an S-R flip-flop is as a(n):
Options- A. racer
- B. astable oscillator
- C. binary storage register
- D. transition pulse generator Discuss
- 6. Packages are used to contain ________ and other information that must be available to all entities in the design file.
Options- A. types
- B. vectors
- C. components
- D. variables Discuss
- 7. A method of converting decimal to binary is by successive division.
Options- A. True
- B. False Discuss
- 8. A plot of voltage versus time is called a timing diagram.
Options- A. True
- B. False Discuss
- 9. Convert 11001010001101012 to hexadecimal.
Options- A. 121035
- B. CA35
- C. 53AC1
- D. 530121 Discuss
- 10. There are four possible combinations for subtracting two binary numbers.
Options- A. True
- B. False Discuss
More questions
Correct Answer: BiCMOS
Correct Answer: A(B + C) = AB + AC
Correct Answer: False
Correct Answer: 20%
Correct Answer: binary storage register
Correct Answer: components
Correct Answer: True
Correct Answer: True
Correct Answer: CA35
Correct Answer: True
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