Home / ECE / Microprocessors :: Section 11

ECE :: Microprocessors

  1. In 8085

  2. A.
    P flag is set when the result has even parity
    B.
    P flag is set when the result has odd parity
    C.
    P flag is reset when the result has odd parity
    D.
    P flag is reset when the result has even parity

    View Answer

    Workspace

    Discuss Discuss in Forum


  3. Some words like READ, WRITE, STOP etc. cannot be used as variable names in Fortran 77.

  4. A.
    True
    B.
    False

    View Answer

    Workspace

    Discuss Discuss in Forum


  5. Which of the following 8085 instructions do not effect CY flag?

  6. A.
    SEE M
    B.
    SEE R
    C.
    DCRM
    D.
    ADC M

    View Answer

    Workspace

    Discuss Discuss in Forum


  7. A compiler converts a high level computer program into machine language program.

  8. A.
    True
    B.
    False

    View Answer

    Workspace

    Discuss Discuss in Forum


  9. In 8085, the pairing of registers B, C, D, E, H, L is

  10. A.
    B - C, D - E, H - L
    B.
    B - D, C - E, H - L
    C.
    B - C, D - L, H - E
    D.
    B - H, D - E, C - L

    View Answer

    Workspace

    Discuss Discuss in Forum


  11. Assertion (A): PC-XT is a personal computer.

    Reason (R): PC-XT uses a floppy drive and has a medium sized hard disc.

  12. A.
    Both A and R are correct and R is correct explanation of A
    B.
    Both A and R are correct but R is not correct explanation of A
    C.
    A is correct R is wrong
    D.
    A is wrong R is correct

    View Answer

    Workspace

    Discuss Discuss in Forum


  13. In Intel 8085, the integer range per word length is

  14. A.
    -128 to 127
    B.
    -127 and 128
    C.
    -64 and 63
    D.
    -63 and 64

    View Answer

    Workspace

    Discuss Discuss in Forum


  15. Assertion (A): Structures are useful in DBMS.

    Reason (R): Structures are very large numbers of applications besides DBMS.

  16. A.
    Both A and R are correct and R is correct explanation of A
    B.
    Both A and R are correct but R is not correct explanation of A
    C.
    A is correct R is wrong
    D.
    A is wrong R is correct

    View Answer

    Workspace

    Discuss Discuss in Forum


  17. If the sign bit of mantissa is 0 and the exponent is increased from a positive to a more negative number the result is

  18. A.
    a larger floating point number
    B.
    a smaller floating point number
    C.
    either (a) or (b) depending on the actual number
    D.
    a negative floating point number

    View Answer

    Workspace

    Discuss Discuss in Forum


  19. The use of microprocessor control in automobiles results in

  20. A.
    improved fuel economy
    B.
    improved car control
    C.
    advanced information system for driver
    D.
    all of the above

    View Answer

    Workspace

    Discuss Discuss in Forum