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  • Question
  • A multiplexer is also known as


  • Options
  • A. coder
  • B. decoder
  • C. data selector
  • D. multivibrator
  • E. None of the above

  • Correct Answer
  • data selector 


  • Digital Computer Electronics problems


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    • 1. 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
    • 2. 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
    • 3. The main advantage of hexadecimal numbers is the case of conversion from hexadecimal to _____ and vice versa.

    • Options
    • A. decimal
    • B. binary
    • C. ASCE
    • D. BCD
    • E. None of the above
    • Discuss
    • 4. Names, numbers, and other information needed to solve a problem are called _____

    • Options
    • A. program
    • B. instruction
    • C. data
    • D. controls
    • E. None of the above
    • Discuss
    • 5. A binary adder is a logic circuit that can add _____ binary numbers at a time.

    • Options
    • A. Hundreds
    • B. Thousands
    • C. One
    • D. Two
    • E. None of the above
    • Discuss
    • 6. 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
    • 7. Conversion of binary number 1100002 to hexadecimal is

    • Options
    • A. 3016
    • B. 4016
    • C. 4316
    • D. 2716
    • E. None of the above
    • Discuss
    • 8. 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
    • Discuss
    • 9. What does 4k represent?

    • Options
    • A. 4000
    • B. 4096
    • C. 40
    • D. 400
    • E. None of the above
    • Discuss
    • 10. 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


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