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ECE :: Microprocessors

Microprocessors - Section 1
Microprocessors - Section 2
Microprocessors - Section 3
Microprocessors - Section 4
Microprocessors - Section 5
Microprocessors - Section 6
Microprocessors - Section 7
Microprocessors - Section 8
Microprocessors - Section 9
Microprocessors - Section 10
Microprocessors - Section 11
Microprocessors - Section 12
Microprocessors - Section-13

  1. Which of the following is not a valid real variable in FORTRAN 77?

    2. A.
    ANUT
    B.
    MONEY
    C.
    A MONEY
    D.
    BS

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  2. Let JCOKE = 3 and LPEPSI = 5. Consider the statement

    IF (3 * JCOKE. EQ. LPESPSI)
    JCOKE = JCOKE + 2
    JCOKE = JCOKE + 5

     What will be the final value of JCOKE after the above statement is executed?

    3. A.
    8
    B.
    1
    C.
    15
    D.
    10

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  3. Diskette can be used for primary storage as well as secondary storage in a computer.

    4. A.
    True
    B.
    False

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  4. Read the following statements

    1. Magnetic tape is a sequential device.
    2. Magnetic disc is a direct access device.
    3. Magnetic tape and disc are both sequential devices.
    4. Magnetic tape and disc are both direct access devices.
    Which of the above statements are correct?

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

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  5. A memory chip has 65536 cells in it. Then

    6. A.
    time required to access cell is same as that to access cell 65536
    B.
    time required to access cell is less than that required to access cell 65536
    C.
    time required to access cell is more than that required to access cell 65536
    D.
    either (a) or (b)

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  6. Assertion (A): Mnemonics are used in assembly level program.

    Reason (R): Computer cannot understand mnemonics.

    7. 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

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  7. Which of the following is a valid real variable in FORTRAN 77?

    8. A.
    KPR
    B.
    LINE
    C.
    JOB
    D.
    RATE

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  8. Consider the following logical IF statement in FORTRAN 77

    IF (SALT. GE. PEPPER) GOTO 11
    GOTO 13

     The above statement using arithmetic IF statement would be

    9. A.
    IF (SALT - PEPPER) 11, 11, 13
    B.
    IF (SALT - PEPPER) 13, 11, 13
    C.
    IF (SALT - PEPPER) 13, 11, 11
    D.
    IF (SALT - PEPPER) 11, 13, 13

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  9. Assertion (A): Microprocessor 8085 can address 65536 memory locations.

    Reason (R): Microprocessor 8085 has 16 address lines.

    10. 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

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  10. If initial value of PROD is zero and a program adds X to PROD, Y times we get the result

    11. A.
    X + Y
    B.
    XY
    C.
    X / Y
    D.
    X - Y

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