Menu
Home / ECE / Digital Electronics :: Section 18

ECE :: Digital Electronics

Digital Electronics - Section 1
Digital Electronics - Section 2
Digital Electronics - Section 3
Digital Electronics - Section 4
Digital Electronics - Section 5
Digital Electronics - Section 6
Digital Electronics - Section 7
Digital Electronics - Section 8
Digital Electronics - Section 9
Digital Electronics - Section 10
Digital Electronics - Section 11
Digital Electronics - Section 12
Digital Electronics - Section 13
Digital Electronics - Section 14
Digital Electronics - Section 15
Digital Electronics - Section 16
Digital Electronics - Section 17
Digital Electronics - Section 18
Digital Electronics - Section 19
Digital Electronics - Section 20
Digital Electronics - Section 21
Digital Electronics - Section 22
Digital Electronics - Section 23
Digital Electronics - Section 24
Digital Electronics - section-25
Digital Electronics - Section-26

  1. Monostable multivibrator is called one-shot or single-shot circuit because it

    2. A.
    can be used once
    B.
    can be used single and not with other circuits.
    C.
    always returns by itself to its single stable state
    D.
    changes to quasistable for a fixed period of time upon receipt of triggering signal.

    View Answer

    Workspace

    Discuss Discuss in Forum

  2. 10's complement of 1610 is

    3. A.
    8310
    B.
    8410
    C.
    3810
    D.
    4810

    View Answer

    Workspace

    Discuss Discuss in Forum

  3. The hexadecimal number 64 AC is equivalent to decimal number

    4. A.
    25727
    B.
    25722
    C.
    25772
    D.
    25777

    View Answer

    Workspace

    Discuss Discuss in Forum

  4. A binary with a digits, all of which are unity has the value

    5. A.
    n2 - 1
    B.
    2n
    C.
    2(n - 1)
    D.
    2n - 1

    View Answer

    Workspace

    Discuss Discuss in Forum

  5. In a NAND SR latch S = R = 1. Then

    6. A.
    Q = 1, Q = 0
    B.
    Q = 0, Q = 1
    C.
    both Q and Q will be same as before
    D.
    the latch will be set

    View Answer

    Workspace

    Discuss Discuss in Forum

  6. A microprocessor with a 16-bit address bus is used in a linear memory selection configuration (i.e., Address bus lines are directly used as chip selects of memory chips) with 4 memory chips. The maximum addressable memory space is

    7. A.
    64 K
    B.
    16 K
    C.
    8 K
    D.
    4 K

    View Answer

    Workspace

    Discuss Discuss in Forum

  7. The logic represented by the abbreviation ECL is

    8. A.
    Emitter Coupled Logic
    B.
    Electron Carrier Logic
    C.
    Encoding Clock Logic
    D.
    Electrostatic Channel Logic

    View Answer

    Workspace

    Discuss Discuss in Forum

  8. A (A + B) =

    9. A.
    A
    B.
    B
    C.
    A
    D.
    B

    View Answer

    Workspace

    Discuss Discuss in Forum

  9. Unlimited number of ICs 7490, 78492 and 7493 are available. Which of these could be used to build the dividse-by-60 circuit of figure

    10. A.
    7490
    B.
    7492
    C.
    combination of 7490 and 7492
    D.
    combination of 7492 and 7493

    View Answer

    Workspace

    Discuss Discuss in Forum

  10. One of the function of the Sio2 layer in an IC is to

    11. A.
    act as a dielectric for capacitors
    B.
    prevent shorting of elements by interconnections
    C.
    from cathodes for diodes
    D.
    afford protection from the radiations

    View Answer

    Workspace

    Discuss Discuss in Forum

Java Programming Questions and Answers Interview Questions and Answers