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

  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

  5. Which of the following is coincidence logic circuit?


  6. An A/D converter uses for reference purposes

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

  8. A pulse stretcher is same as a

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

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

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

  12. The circuit of the given figure performs

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

  14. The hex number EB16 represents binary number of

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

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

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

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

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