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CSE :: Digital Computer Electronics

  1. Digital design often starts by constructing a _____ table.

  2. A.
    Standard
    B.
    Two-stage
    C.
    Truth
    D.
    Two-dinensional
    E.
    None of the above

  3. The hexadecimal digits are 0 to 9 and A to _____

  4. A.
    E
    B.
    F
    C.
    G
    D.
    D
    E.
    None of the above

  5. The ASCII

  6. A.
    is a subset of 8-bit EBCDIC
    B.
    is used only in Western Countries
    C.
    is version II of the ASC Standard
    D.
    has 128 characters, including 32 control characters
    E.
    None of the above

  7. An OR gate has 6 inputs. What is the only input word that produces a 0 output?

  8. A.
    000000
    B.
    000111
    C.
    111000
    D.
    111111
    E.
    None of the above

  9. A diagram that illustrates the ore (Logic) of functions in a progran called a

  10. A.
    Flowchart
    B.
    Sequence of steps
    C.
    Direction of flow
    D.
    All of the above
    E.
    None of the above

  11. The Gray code for decimal 7 is

  12. A.
    0111
    B.
    1011
    C.
    0100
    D.
    0101
    E.
    None of the above

  13. The time required for a pulse to decrease from 90 to 10 percent of its maximum value is known as

  14. A.
    rise time
    B.
    decay time
    C.
    binary level transition period
    D.
    propagation delay
    E.
    None of the above

  15. Conversion of binary number 1010000101112 to hexadecimal number is

  16. A.
    D8F916
    B.
    A8B916
    C.
    A1716
    D.
    D9F816
    E.
    None of the above

  17. _____dominates the LSI field, and _____ is used extensively where lowest power consumption is necessary.

  18. A.
    NMOS, PMOS
    B.
    PMOS, CMOS
    C.
    NMOS, CMOS
    D.
    MOSFET, PMOS
    E.
    None of the above

  19. Conversion of an octal number 1438 to its decimal number is

  20. A.
    9010
    B.
    97110
    C.
    9910
    D.
    10710
    E.
    None of the above