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- Question
In ________ the quantities are not represented by continuously variable indicators.
Options- A. analog representation
- B. digital representation
- C. signal representation
- D. computer representation
- Correct Answer
- digital representation
- 1. A method for the automated testing of printed circuit boards is called a(n) ________.
Options- A. bed-of-nails
- B. LUT
- C. CLB
- D. CPLD Discuss
- 2. Which of the following logic families has the shortest propagation delay?
Options- A. CMOS
- B. BiCMOS
- C. ECL
- D. 74SXX Discuss
- 3. What is the input/output pin configuration of the GAL22V10?
Options- A. 10 output pins and 12 input pins
- B. 2 special-purpose pins
- C. 8 pins that are either inputs or outputs
- D. All of the above Discuss
- 4. List the state of each output pin of a 7447 if RBI = 0, LT = 1, A0 = 1, A1 = 0, A2 = 0, and A3 = 1.
Options- A. RBO = 0, a = 0, b = 0, c = 0, d = 1, e = 1, f = 0, g = 0
- B. RBO = 1, a = 0, b = 0, c = 0, d = 1, e = 1, f = 0, g = 0
- C. RBO = 0, a = 0, b = 0, c = 0, d = 0, e = 1, f = 0, g = 0
- D. RBO = 1, a = 0, b = 0, c = 0, d = 0, e = 1, f = 0, g = 0 Discuss
- 5. Which statement below best describes the function of a decoder?
Options- A. A decoder will convert a decimal number into the proper binary equivalent.
- B. A decoder will convert a binary number into a specific output representing a particular character or digit.
- C. Decoders are used to prevent improper operation of digital systems.
- D. Decoders are special ICs that are used to make it possible for one brand of computer to talk to another. Discuss
- 6. Convert the following SOP expression to an equivalent POS expression.
Options- A.
- B.
- C.
- D.
Discuss
- 7. What is the difference between the 74HC00 series and the 74HCT00 series of CMOS logic?
Options- A. The HCT series is faster.
- B. The HCT series is slower.
- C. The HCT series is input and output voltage compatible with TTL.
- D. The HCT series is not input and output voltage compatible with TTL. Discuss
- 8. How much setup time (ts) is required for the 74LS76?
Options- A. 5 ns
- B. 10 ns
- C. 20 ns
- D. 40 ns Discuss
- 9. Which of the following best describes the action of pulse-triggered FF's?
Options- A. The clock and the S-R inputs must be pulse shaped.
- B. The data is entered on the leading edge of the clock, and transferred out on the trailing edge of the clock.
- C. A pulse on the clock transfers data from input to output.
- D. The synchronous inputs must be pulsed. Discuss
- 10. What is the hold condition of a flip-flop?
Options- A. both S and R inputs activated
- B. no active S or R input
- C. only S is active
- D. only R is active Discuss
More questions
Correct Answer: bed-of-nails
Correct Answer: ECL
Correct Answer: 10 output pins and 12 input pins
Correct Answer: RBO = 0, a = 0, b = 0, c = 0, d = 1, e = 1, f = 0, g = 0
Correct Answer: A decoder will convert a binary number into a specific output representing a particular character or digit.
Correct Answer:
Correct Answer: The HCT series is input and output voltage compatible with TTL.
Correct Answer: 20 ns
Correct Answer: The data is entered on the leading edge of the clock, and transferred out on the trailing edge of the clock.
Correct Answer: no active S or R input
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