VLSI Design MCQ Quiz - Multiple Choice Questions & Answers

MCQ quiz on VLSI Design multiple choice questions and answers on VLSI Design MCQ questions on VLSI Design objectives questions with answer test pdf for interview preparations, freshers jobs and competitive exams. Professionals, Teachers, Students and Kids Trivia Quizzes to test your knowledge on the subject.

VLSI Design Quiz Question with Answer


1. What advantage does the 74LSXX series device have over standard TTL?

  1. higher propagation delay
  2. reduced propagation delay
  3. low power consumption
  4. low power consumption and reduced propagation delay

2. What advantage does the 74LXX series device have over standard TTL?

  1. lower voltage requirements
  2. reduced propagation delay
  3. higher propagation delay
  4. low power consumption

3. What advantage does the 74SXX series device have over standard TTL?

  1. higher propagation delay
  2. lower voltage requirements
  3. low power consumption
  4. reduced propagation delay

4. When a CMOS gate output connects to a TTL gate, which circuit is needed?

  1. a decoupling capacitor
  2. a pull-up resistor
  3. a pull-down resistor
  4. a CMOS buffer

5. When a TTL gate output connects to a CMOS gate, what must be added to the circuit?

  1. a decoupling capacitor
  2. a pull-up resistor
  3. a pull-down resistor
  4. an open-collector gate

6. When interfacing CMOS to TTL what potential problem must be overcome?

  1. There may be insufficient current.
  2. The low output voltage may be insufficient.
  3. The output current may be too great.
  4. The high voltage may be too low.

7. When the outputs of several open-collector TTL gates are connected together, the gate outputs

  1. produce more fan-out.
  2. usually burn out.
  3. are ANDed together.
  4. produce more voltage.

8. When the outputs of several standard TTL gates are connected together, the gate outputs

  1. enable new logic configurations.
  2. produce more fan-out.
  3. usually burn out.
  4. produce more voltage.

9. Which alteration is made in the manufacture of a TTL gate to create an open-collector output?

  1. The output transistors are replaced by diodes.
  2. The input transistor is replaced by a diode.
  3. The output transistors are missing.
  4. The top output transistor is missing.

10. Which of the following are not characteristics of TTL logic gates?

  1. Totem-pole output
  2. Bipolar transistors
  3. CMOS transistors
  4. Multiemitter transistors

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