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  • Question

  • What logic function is obtained by adding an inverter to the inputs of an AND gate?


  • Options
  • A. OR
  • B. NAND
  • C. XOR
  • D. NOR
  • E. None of the above

  • Correct Answer
  • NOR 

    • Digital Computer Electronics problems

    Search Results

    • 1. Which of the following flip-flops is free from race around problem?

    • Options
    • A. T flip-flop
    • B. SR flip-flop
    • C. master slave JK flip-flop
    • D. All of the above
    • E. None of the above
      • Discuss
    • 2. The time required for a pulse to decrease from 90 to 10 percent of its maximum value is known as

    • Options
    • A. rise time
    • B. decay time
    • C. binary level transition period
    • D. propagation delay
    • E. None of the above
      • Discuss
    • 3. Conversion of decimal number 6710 to it's octal number equivalent is

    • Options
    • A. 1008
    • B. 1038
    • C. 1098
    • D. 998
    • E. None of the above
      • Discuss
    • 4. How many inputs signals can a gate have?

    • Options
    • A. one
    • B. more than one
    • C. two only
    • D. both (a) and (b)
    • E. None of the above
      • Discuss
    • 5. A positive AND gate is also a negative

    • Options
    • A. NAND gate
    • B. NOR gate
    • C. AND gate
    • D. OR gate
    • E. None of the above
      • Discuss
    • 6. A NOR gate has two or more input signals. All input must be _____ to get a high output

    • Options
    • A. low
    • B. high
    • C. some low some high
    • D. 1's
    • E. None of the above
      • Discuss
    • 7. What is the 2's complement of 0011 0101 1001 1100 number?

    • Options
    • A. 1100 1010 1100 1011
    • B. 1100 1010 0110 0011
    • C. 1100 1010 0110 0100
    • D. 1100 1010 1111 1111
    • E. None of the above
      • Discuss
    • 8. Conversion of an octal number 1128 to hexadecimal number is

    • Options
    • A. 4A16
    • B. 5A16
    • C. 1516
    • D. 2016
    • E. None of the above
      • Discuss
    • 9. Conversion of binary number 1010000101112 to hexadecimal number is

    • Options
    • A. D8F916
    • B. A8B916
    • C. A1716
    • D. D9F816
    • E. None of the above
      • Discuss
    • 10. Which logic family dissipates the minimum power?

    • Options
    • A. DTL
    • B. TTL
    • C. ECL
    • D. CMOS
    • E. None of the above
      • Discuss

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