Fundamentals Of Digital Electronics 3

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Digital Electronics Quizzes & Trivia

Fundamentals of Digital Electronics 10 quizes


Questions and Answers
  • 1. 

    DVD, also known as   

    • A.

      Digital Versatile Disc

    • B.

      Digital Video Disc

    • C.

      Digital Virtual Disc

    • D.

      None of these

    Correct Answer
    A. Digital Versatile Disc
    Explanation
    DVD stands for Digital Versatile Disc. This is the correct answer because DVD is a type of optical disc storage media that can be used for various purposes, such as storing and playing back audio, video, and data. The term "versatile" refers to its ability to handle different types of content and formats. The other options, Digital Video Disc and Digital Virtual Disc, are not correct because they do not accurately represent the acronym DVD.

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  • 2. 

    In a multiprocessing system, when all CPUs are not equal, it is known

    • A.

      SNMP

    • B.

      ASMP

    • C.

      PMNP

    • D.

      TCNP

    Correct Answer
    B. ASMP
    Explanation
    In a multiprocessing system, when all CPUs are not equal, it is known as ASMP. ASMP stands for Asymmetric Multiprocessing, which refers to a system where each CPU has a specific role or function. In this type of system, one CPU may be dedicated to handling specific tasks or processes, while others may be responsible for different tasks. This allows for better resource allocation and optimization, as each CPU can focus on its designated workload.

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  • 3. 

    What is the function of a CPU

    • A.

      Does arithmetical and logical functions

    • B.

      Generates control signals for execution of different instructions

    • C.

      Stores data and information

    • D.

      All of the above.

    Correct Answer
    B. Generates control signals for execution of different instructions
    Explanation
    The function of a CPU is to generate control signals for the execution of different instructions. This means that the CPU is responsible for coordinating and directing the flow of data and instructions within a computer system. The CPU interprets and executes instructions from the computer's memory, and it generates control signals to ensure that the instructions are carried out correctly. This includes tasks such as fetching instructions, decoding them, executing them, and storing the results. Therefore, the correct answer is that the CPU generates control signals for the execution of different instructions.

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  • 4. 

    These elements can store data in the binary form, its relating to which element in sequential circuit

    • A.

      Hard disk

    • B.

      Microprocessor

    • C.

      Transistor

    • D.

      Flip-flops

    Correct Answer
    D. Flip-flops
    Explanation
    Flip-flops are sequential logic elements that can store data in binary form. Unlike other options such as hard disk, microprocessor, and transistor, flip-flops are specifically designed to store and retain data in a sequential circuit. They are commonly used in digital electronic systems to store and control data flow, making them the most suitable option for this question.

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  • 5. 

    The 8085 microprocessor is an Integrated Circuit that consists of        ……………….. that helps during the execution of the program.  

    • A.

      Flip-flops

    • B.

      Transistors

    • C.

      registers

    • D.

      None of these

    Correct Answer
    C. registers
    Explanation
    The 8085 microprocessor is an Integrated Circuit that consists of registers that help during the execution of the program. Registers are small storage units within the microprocessor that hold data temporarily during the execution of instructions. They are used to store operands, intermediate results, and memory addresses. The microprocessor uses these registers to perform various operations and calculations required by the program.

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  • 6. 

    The result after converting binary number (100011)2 to decimal will be

    • A.

      30

    • B.

      43

    • C.

      35

    • D.

      None of these

    Correct Answer
    C. 35
    Explanation
    To convert a binary number to decimal, each digit in the binary number is multiplied by 2 raised to the power of its position and then added together. In this case, the binary number (100011)2 has six digits. Starting from the rightmost digit, the first digit is 1, which is multiplied by 2 raised to the power of 0 (2^0 = 1). The second digit is 1, multiplied by 2^1 (2), and so on. Adding all the results together, we get 1 + 2 + 0 + 0 + 1 + 16 = 20. Therefore, the correct answer is 20.

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  • 7. 

    The binary equivalent of (64)10 is

    • A.

      11000000

    • B.

      1100000

    • C.

      1000000

    • D.

      1100010

    Correct Answer
    C. 1000000
    Explanation
    The binary equivalent of a decimal number can be found by repeatedly dividing the decimal number by 2 and noting the remainder. In this case, when we divide 64 by 2, we get a quotient of 32 and a remainder of 0. We continue this process until the quotient becomes 0. The remainders in reverse order give us the binary equivalent. In this case, the binary equivalent of 64 is 1000000.

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  • 8. 

    Hexadecimal equivalent of (72)10

    • A.

      AD

    • B.

      4S

    • C.

      48

    • D.

      3E

    Correct Answer
    C. 48
    Explanation
    The hexadecimal equivalent of the decimal number 72 is 48.

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  • 9. 

    In Boolean algebra, A. A=-----------

    • A.

      A2

    • B.

      A

    • C.

      2A

    • D.

      1

    Correct Answer
    B. A
    Explanation
    In Boolean algebra, the expression "A. A" represents the logical AND operation between two instances of variable A. The AND operation returns true only if both operands are true. Since there is only one instance of variable A in the given options, the correct answer is A.

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  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Feb 17, 2009
    Quiz Created by
    Alexeialeesh
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