VLSI Design MCQ Quiz

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Vlsi Design MCQ Quiz - Quiz

How well do you know the VLSI design? Take this quiz to test your knowledge of the technology and process VLSI design MCQ quiz. VLSI is basically the process of creating an integrated circuit by combining innumerable MOS transistors onto a single chip. You must try this quiz to see how much you know about VLSI and what more you need to learn. Try to get a perfect score on this quiz. All the best!


Questions and Answers
  • 1. 

    VLSI is an acronym for _______.

    • A.

      ​​​​​Varying Large Scale Integration

    • B.

      Very Large Scale Integration

    • C.

      Varying Large Scale Integrity

    • D.

      None of the above

    Correct Answer
    B. Very Large Scale Integration
    Explanation
    VLSI stands for Very Large Scale Integration. This term refers to the process of integrating a large number of transistors and other electronic components onto a single chip. This technology allows for the creation of complex and powerful electronic devices, such as microprocessors and memory chips, that are used in various applications, including computers, smartphones, and other electronic devices. Therefore, the correct answer is "Very Large Scale Integration."

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  • 2. 

    VLSI technology uses what to form an integrated circuit.

    • A.

      Diodes

    • B.

      Buffers

    • C.

      Transistors

    • D.

      Switches

    Correct Answer
    C. Transistors
    Explanation
    VLSI technology, which stands for Very Large Scale Integration, utilizes transistors to form an integrated circuit. Transistors are semiconductor devices that can amplify or switch electronic signals and are the building blocks of modern electronic devices. In VLSI technology, thousands or even millions of transistors are integrated onto a single chip, allowing for the creation of complex and highly functional electronic systems. Therefore, transistors are a crucial component in the formation of integrated circuits in VLSI technology.

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  • 3. 

    High observability shows that ________ number of cycles are required for the measurement of the output node value.

    • A.

      More

    • B.

      Equal

    • C.

      Less

    • D.

      Unpredictable

    Correct Answer
    C. Less
    Explanation
    High observability means that it is easier to measure or observe the output node value. Therefore, fewer cycles are required to accurately measure the output node value.

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  • 4. 

    MOSFETs possess _______.

    • A.

      Low packing density

    • B.

      High packing density

    • C.

      Poor packing density

    • D.

      None of the above

    Correct Answer
    A. Low packing density
    Explanation
    MOSFETs possess low packing density. This means that they require more space compared to other electronic components for the same functionality. This is because MOSFETs have a relatively large size due to their structure and the need for proper heat dissipation. The low packing density of MOSFETs can impact the overall size and layout of electronic circuits, requiring more space and potentially limiting the miniaturization of devices.

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  • 5. 

    How many logic gates does medium-scale integration have?

    • A.

      10

    • B.

      50

    • C.

      100

    • D.

      1000

    Correct Answer
    C. 100
    Explanation
    Medium-scale integration typically refers to integrated circuits that contain between 10 and 100 logic gates. Since the given options are 10, 50, 100, and 1000, the correct answer is 100, which falls within the range of medium-scale integration.

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  • 6. 

    Which technique is used to deal with the effect of variation?

    • A.

      Switch level

    • B.

      Chip level

    • C.

      Logic level

    • D.

      System level

    Correct Answer
    D. System level
    Explanation
    System level is the technique used to deal with the effect of variation. This approach focuses on addressing variations and uncertainties at the overall system level rather than at individual components or levels. By considering the system as a whole, it becomes possible to incorporate various techniques such as redundancy, fault tolerance, and feedback mechanisms to mitigate the effects of variation and ensure the system's robustness and reliability.

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  • 7. 

    What is the design flow of the VLSI system? i. architecture design ii. market requirement iii. logic design iv. HDL coding

    • A.

      Ii-i-iii-iv

    • B.

      Iv-i-iii-ii

    • C.

      Iii-ii-i-iv

    • D.

      I-ii-iii-iv

    Correct Answer
    A. Ii-i-iii-iv
    Explanation
    The design flow of a VLSI system typically starts with understanding the market requirements (ii) to determine the desired features and specifications of the system. This is followed by the architecture design (i), where the overall structure and organization of the system is planned. Next, the logic design (iii) stage involves designing the digital circuits and components that will implement the desired functionality. Finally, HDL coding (iv) is done to describe the design using a hardware description language. Therefore, the correct design flow is ii-i-iii-iv.

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  • 8. 

    What is used in the logic design of VLSI?

    • A.

      LILO

    • B.

      LIFO

    • C.

      FIFO

    • D.

      FILO

    Correct Answer
    C. FIFO
    Explanation
    FIFO stands for First-In-First-Out and it is used in the logic design of Very Large Scale Integration (VLSI). It is a data structure that follows the principle of the first element that enters the system will be the first one to leave. In VLSI design, FIFO is commonly used to manage data flow and ensure that data is processed in the order it was received. It is particularly useful in applications such as buffering, data storage, and synchronization.

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  • 9. 

    The Gate minimization technique is used to simplify the logic.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The gate minimization technique is indeed used to simplify the logic in digital circuits. This technique involves reducing the number of gates required in a circuit by combining them, eliminating redundant gates, and optimizing the overall design. By minimizing the number of gates, the circuit becomes more efficient, consumes less power, and is easier to understand and debug. Therefore, the given statement is true.

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  • 10. 

    In CMOS circuits, what type of power dissipation occurs due to switching of transient current and charging & discharging of load capacitance?

    • A.

      Dynamic dissipation

    • B.

      Static dissipation

    • C.

      Both a and b

    • D.

      None of the above

    Correct Answer
    A. Dynamic dissipation
    Explanation
    Dynamic dissipation occurs in CMOS circuits due to the switching of transient current and the charging and discharging of load capacitance. This type of power dissipation is caused by the energy consumed during the dynamic operation of the circuit, such as when transistors switch on and off and when the capacitors charge and discharge. Static dissipation, on the other hand, refers to power dissipation that occurs even when the circuit is not switching or performing any dynamic operation. Therefore, the correct answer is dynamic dissipation.

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  • Current Version
  • Aug 16, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 29, 2022
    Quiz Created by
    Sophia Smith
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