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  • Question
  • The number of two-input NAND gates required to produce the two-input OR function is


  • Options
  • A. 1
  • B. 2
  • C. 3
  • D. 4
  • E. None of the above

  • Correct Answer



  • Digital Computer Electronics problems


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    • 1. Conversion of binary number 1100002 to hexadecimal is

    • Options
    • A. 3016
    • B. 4016
    • C. 4316
    • D. 2716
    • E. None of the above
    • Discuss
    • 2. Cyclic codes are used in

    • Options
    • A. data transfer
    • B. continuously varying signal representation
    • C. arithmetic and logical computation
    • D. All of the above
    • E. None of the above
    • Discuss
    • 3. A multiplexer is also known as

    • Options
    • A. coder
    • B. decoder
    • C. data selector
    • D. multivibrator
    • E. None of the above
    • Discuss
    • 4. The logic 1 in positive logic system is represented by:

    • Options
    • A. zero voltage
    • B. lower voltage level
    • C. higher voltage level
    • D. negative voltage
    • E. None of the above
    • Discuss
    • 5. A combinational logic circuit which generates particular binary word or number is

    • Options
    • A. decoder
    • B. multiplexer
    • C. encoder
    • D. demultiplexer
    • E. None of the above
    • Discuss
    • 6. What does 4k represent?

    • Options
    • A. 4000
    • B. 4096
    • C. 40
    • D. 400
    • E. None of the above
    • Discuss
    • 7. The two basic technologies for digital ICs are bipolar and MOS. Bipolar technology is preferred for_____ and _____ whereas MOS technology is better suited to LSI.

    • Options
    • A. SSI, MSI
    • B. MSI, LSI
    • C. SSI, LSI
    • D. ECL, DTL
    • E. None of the above
    • Discuss
    • 8. What is the main advantage of using MOSFET rather than bipolar transistor circuitary in ICs?

    • Options
    • A. much greater complexity (more components) than bipolar circuits : better economy
    • B. higher operating speed than bipolar circuits
    • C. fewer power supply connections are required with MOS ICs
    • D. system designers are more familiar with MOS circuitary
    • Discuss
    • 9. Conversion of decimal number 4210 to it's octal number equivalent is

    • Options
    • A. 578
    • B. 428
    • C. 478
    • D. 528
    • E. None of the above
    • Discuss
    • 10. Conversion of binary number 111112 to an octal number is

    • Options
    • A. 358
    • B. 328
    • C. 378
    • D. 428
    • E. None of the above
    • Discuss


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