Q. Consider the following statements about Infix and Post fix notations in Pascal

1. In Infix notation operators appear between the operands on which they operate.
2. In Post fix notation operators appear after the operand.
3. The Infix expression A + B - C + D will appear as AB + C - D + in post fix notation.

Which of the above are correct?

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Q. Which of the following statement number is not valid in Basic

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Q. Consider the following in object oriented programming

1. An object is a self contained element of a computer program which represents a related group of interests.
2. Each object has a specific role in a program.
3. All objects can work with other objects in defined ways.
4. Objects are also called instances.

Which of the above are correct?

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Q. Assertion (A): In C a character constant is either a single alphabet or digit or special symbol enclosed within single inverted commas.

Reason (R): In C the maximum length of a character constant can be 2 characters.

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

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Q. 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?

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

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Q. 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?

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

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Q. Which of the following is operating system?

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Q. A modem is connected to PC at

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Q. Assertion (A): The data bus and address bus of 8085 are multiplexed.

Reason (R): Multiplexing reduces the number of pins.

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Q. Consider the following statements about 'Functions' in C

1. A function can be called any number of times.
2. A function gets called when the function name is followed by a semicolon.
3. The order in which functions are defined in a program and the order in which they are called must be the same.

Which of the above statements are correct?

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Q. A failure rate of 0.01 percent in 1000 hours in a memory corresponds to an MTBF of

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Q. Consider the following statements about expressing real constants in exponential form in C

1. The mantissa and exponent are separated either by e or E.
2. The mantissa and exponent may have positive or negative sign.
3. Default sign of mantissa is positive.
4. Default sign of exponent is negative.

Which of the above statements are wrong?

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Q. If F = 95.0 what will be the result of following FORTRAN 77 program?

REAL F , C
READ * , F
C = (5. / 9.) * (F - 32.)

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Q. Consider the following library functions

1. EXP (i.e., ex)
2. ARCTAN (i.e. tan‾¹ x)
3. SQRT (i.e., √x)
4. AES (i.e. |x|)

Which of the above are allowed in Pascal?

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Q. Consider the following program in Basic

10 READ X, Y, Z
15 DATA 20, 30, 10
20 S = X + Y + Z
30 A = S/3
35 PRINT S, A, X, Y, Z
40 END

The output will be

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Q. Let the initial contents of ACC and CY in 8085 be

1. CY = 1
2. ACC = 10000001

After the instruction RAL is executed twice the contents of CY and ACC respectively will be

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Q. A nibble corresponds to

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