Home / ECE / Digital Electronics :: Section 14

ECE :: Digital Electronics

  1. The hexadecimal number BBC7 is equivalent to decimal number

  2. A.
    49761
    B.
    46791
    C.
    47691
    D.
    49761

    View Answer

    Workspace

    Discuss Discuss in Forum


  3. In 8085, out of interrupts given below, one particular interrupts is quite different from others, This interrupt is

  4. A.
    RST 5.5
    B.
    RST 6.5
    C.
    RST 7.5
    D.
    none of these

    View Answer

    Workspace

    Discuss Discuss in Forum


  5. Which of the following is coincidence logic circuit?

  6. View Answer

    Workspace

    Discuss Discuss in Forum


  7. An A/D converter uses for reference purposes

  8. A.
    DC voltage
    B.
    a saw tooth generator
    C.
    set of keys
    D.
    a flip-flop

    View Answer

    Workspace

    Discuss Discuss in Forum


  9. A pulse stretcher is same as a

  10. A.
    free running multivibrator
    B.
    bistable multivibrator
    C.
    monostable multivibrator
    D.
    latch

    View Answer

    Workspace

    Discuss Discuss in Forum


  11. The minimum decimal equivalent of the number 11C0 is

  12. A.
    183
    B.
    194
    C.
    268
    D.
    269

    View Answer

    Workspace

    Discuss Discuss in Forum


  13. The circuit of the given figure performs

  14. A.
    OR function
    B.
    AND function
    C.
    exclusive OR function
    D.
    exclusive NOR function

    View Answer

    Workspace

    Discuss Discuss in Forum


  15. The hex number EB16 represents binary number of

  16. A.
    11101011
    B.
    10010110
    C.
    10101100
    D.
    11101011

    View Answer

    Workspace

    Discuss Discuss in Forum


  17. In 8085 microprocessor, if instruction RST is written in a program then the program will jump to location

  18. A.
    0020 H
    B.
    0024 H
    C.
    0028 H
    D.
    002 CH

    View Answer

    Workspace

    Discuss Discuss in Forum


  19. In 8085 microprocessor, the RST 5.5 interrupt service routine start from location

  20. A.
    0020 H
    B.
    0024 H
    C.
    0028 H
    D.
    002 CH

    View Answer

    Workspace

    Discuss Discuss in Forum