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


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

  • Correct Answer
  • NAND 


  • Digital Computer Electronics problems


    Search Results


    • 1. The dynamic race hazard problem occurs in

    • Options
    • A. combinational circuits only
    • B. sequential circuits only
    • C. both combinational and sequential circuits
    • D. none of the combinational and sequential circuits
    • E. None of the above
    • Discuss
    • 2. How many full adders are required to construct an m- bit parallel adder?

    • Options
    • A. m/2
    • B. m-1
    • C. m
    • D. m+1
    • E. None of the above
    • Discuss
    • 3. The output of the following gate is 0 only if at least one of the inputs is 1:

    • Options
    • A. AND gate
    • B. OR gate
    • C. EX-OR gate
    • D. NOR gate
    • E. None of the above
    • Discuss
    • 4. Which TTL sub-family has maximum speed?

    • Options
    • A. standard TTL
    • B. schottky-clamped TTL
    • C. high speed TTL
    • D. low power TTL
    • E. None of the above
    • Discuss
    • 5. The OR gate has two or more input signals. If any input is _____ the output is high.

    • Options
    • A. low
    • B. high
    • C. 0
    • D. All of the above
    • E. None of the above
    • Discuss
    • 6. Semiconductor memory is:

    • Options
    • A. somewhat slower than magnetic core memory
    • B. a volatile memory
    • C. somewhat larger than the magnetic core memory
    • D. All of the above
    • E. None of the above
    • Discuss
    • 7. Division of 1000112 by 1012 is

    • Options
    • A. 1002
    • B. 1112
    • C. 1012
    • D. 10102
    • E. None of the above
    • Discuss
    • 8. In boolean algebra, the times sign stands for the _____ operation

    • Options
    • A. AND
    • B. OR
    • C. NAND
    • D. NOR
    • E. None of the above
    • Discuss
    • 9. Multiplication of 1112 by 1012 is

    • Options
    • A. 1100112
    • B. 1000112
    • C. 1111002
    • D. 0001012
    • E. None of the above
    • Discuss
    • 10. How many memory locations can 14 address bits access?

    • Options
    • A. 16,384
    • B. 8,192
    • C. 4096
    • D. 14
    • E. None of the above
    • Discuss


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