Home / ECE / Microprocessors :: Section 8

ECE :: Microprocessors

  1. A microprocessor needs memory chips and input-output chip to form a microcomputer.

  2. A.
    True
    B.
    False

    View Answer

    Workspace

    Discuss Discuss in Forum


  3. The maximum number of alphabets/digits or special symbots for character constants in C is

  4. A.
    1
    B.
    2
    C.
    4
    D.
    8

    View Answer

    Workspace

    Discuss Discuss in Forum


  5. Windows automatically starts CD player when one inserts audio CD in CD-ROM drive.

  6. A.
    True
    B.
    False

    View Answer

    Workspace

    Discuss Discuss in Forum


  7. In 8086 the word address is

  8. A.
    the address of the least significant byte
    B.
    the address of most significant byte
    C.
    either (a) or (b) depending on the word
    D.
    neither (a) nor (b)

    View Answer

    Workspace

    Discuss Discuss in Forum


  9. The instruction MOV r1, r2 in 8085

  10. A.
    causes contents of registers r2 to be moved to r, and uses register addressing
    B.
    causes contents of registers r1 to be moved to r2 and uses register addressing
    C.
    causes contents of registers r1 to be moved to r2 and uses register immediate addressing
    D.
    causes contents of registers r2 to be moved to r1 and uses register immediate addressing

    View Answer

    Workspace

    Discuss Discuss in Forum


  11. Assertion (A): The variable name 5KING is not valid in Fortran 77.

    Reason (R): In Fortran 77 the first character of a variable name must be an alphabet.

  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. Which 8085 instruction causes exchange of contents of stack pointer with the contents of H L register pair?

  14. A.
    XTHL
    B.
    PCHL
    C.
    LHLD
    D.
    MVIA

    View Answer

    Workspace

    Discuss Discuss in Forum


  15. The four types of integers in Java are called

  16. A.
    byte, short, int and long
    B.
    bit, byte, short and long
    C.
    nibble, byte, short and long
    D.
    nibble, byte, int and long

    View Answer

    Workspace

    Discuss Discuss in Forum


  17. Consider the following statements about data structures in Pascal

    1. Arrays and files are types of data structures.
    2. List structure is not a data structure in Pascal.
    3. Each element of a binary tree is called a node of the tree.
    Which of the above are statements correct?

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

    View Answer

    Workspace

    Discuss Discuss in Forum


  19. In the expression 3 * * 2 ** 4 ** 2 in FORTRAN 77 which exponentiation is performed first

  20. A.
    4 * * 2
    B.
    2 * * 4
    C.
    3 * * 2
    D.
    all exponentiation are performed together

    View Answer

    Workspace

    Discuss Discuss in Forum