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ECE :: Microprocessors

  1. Consider the following statements

    1. An assembler is a program having assembly language program as input and machine language program as output.
    2. A macro assembler is an assembler with additional macro facilities.
    3. A cross assembler for a μP X is an assembler which executes on source microcomputer with a different CPU than X bit generates code for X.
    4. Assemblers generally do not provide macro facilities.
    Of the above statement

  2. A.
    All are correct
    B.
    only 1, 2, 3 are correct
    C.
    only 1, 2, 4 are correct
    D.
    only 1, 3, 4 are correct

  3. A computer window has a bar at its top to bear the name of window. This bar is called

  4. A.
    title bar
    B.
    status bar
    C.
    menu bar
    D.
    control bar

  5. Read the following statements about files in Pascal

    1. A file can grow or shrink dynamically.
    2. A file which consists of only characters is called text file.
    3. Text files may be read and written using standard Pascal READ and WRITE procedures.
    4. Every file must have a beginning but may or may not have an end.
    Which of the above are correct?

  6. A.
    All
    B.
    1, 2, 3 only
    C.
    2, 3, 4 only
    D.
    1, 2 and 4 only

  7. If word length is 16 bits the decimal equivalent of largest number which can be stored is

  8. A.
    32767
    B.
    32766
    C.
    16383
    D.
    16384

  9. For the floating point numbers 1.81 x 10-29 and 0.0152 x 1018 the normalised forms are

  10. A.
    0.181 x 10-28 and 0.152 x 1017 respectively
    B.
    18.1 x 10-30 and 0.152 x 1017 respectively
    C.
    0.181 x 10-28 and 1.52 x 1016 respectively
    D.
    None of the above

  11. In computers the secondary memory is faster than primary memory.

  12. A.
    True
    B.
    False

  13. Consider the following in C

    1. An arithmetic operation between integer and an integer gives integer as the result.
    2. An arithmetic operation between a real and a real constant gives real constant as the result.
    3. An arithmetic operation between an integer constant and a real constant is not valid.
    Which of the above are correct?

  14. A.
    All
    B.
    1 and 2 only
    C.
    2 and 3 only
    D.
    1 and 3 only

  15. Binary storage of decimal number 44 in 8 bits is

  16. A.
    00101100
    B.
    10101100
    C.
    10101101
    D.
    00101101

  17. LET JCOKE = 11 and LPEPSI = 19. Consider the statement

    IF (JCOKE - LPEPSI) 5, 5, 7
    5 JCOKE = JCOKE + 2
    7 JCOKE = JCOKE + 5

    The value of JCOKE after the execution of above statement will be

  18. A.
    13
    B.
    16
    C.
    9
    D.
    14

  19. Which of the following is operating system?

  20. A.
    MS WORD
    B.
    Ventura
    C.
    Java
    D.
    Windows