Q. Which of the following is not a valid real constant?

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Q. Consider the expression b = acd (xz). The correct C statement for above expression is

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Q. Which is a valid Java variable?

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Q. When we use RRC instruction once in 8085, the number is

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Q. Read the following statements about sets

1. If A and B are sets then A + B denotes union of sets A and B.
2. The union of A and B is that set whose elements are in either A or B or both.
3. If A and B are sets, then difference of sets A and B is denoted by A - B.
4. A - B in the set obtained by removing elements of A from B.

Which of the above are true?

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Q. Consider the following rules about integer constant in C

1. An integer constant must have at least one digit.
2. An integer constant must not have a decimal point.
3. An integer constant may be positive or negative.
4. The default sign is positive.
5. A maximum of one comma or blank is allowed.

Which of the above are correct?

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Q. Consider the following logical IF statement in Fortran 77

IF (SALT. LE. PEPPER) 11
GO TO 13

The above statement using arithmetic IF statement would be

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Q. Consider the following rules for constructing variable names in C

1. It can have alphabets, digits or underscores but no other special character.
2. The maximum number of characters is 8.
3. The first character may be an alphabet or digit but not underscore.

Which of the above are correct?

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Q. The correct way of writing the expression NV²/2 + GH/3D in Pascal is

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Q. A microprocessor uses 3 MHz oscillator. The duration of one T state is

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Q. Zip floppy has a capacity of

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Q. Which of the following is not a valid character constant in C?

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Q.
Consider the following program in Basic

5 READ R
10 D = 2 * R
20 A = 3.1416 * D * D / 4
30 PRINT A

Assuming that R = 3.0, the output A =

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Q. Consider the following statements about Java variables

1. Java variable must start with a letter or underscore or dollor sign.
2. Java variable can not start with a digit.
3. After the first character the variable can have any combination of letters or numbers.
4. Capitalization of letters must be consistent.

Which of the above are correct?

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Q. A microprocessor is generally

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Q. Consider the following program in C

int k;
float a, b, c;
k = a* b* c / 100 + 2.5 / 2 - 0.3 * 9

if a - 5.0, b = 2.0 and c = 3.0 the final result k =

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Q. A computer program is used to read N and print the sum 1² + 2² + 3² +.....+ N². If N = 10, the print out will show the number

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Q. Which of the following arithmetic operations requires only one operand in FORTRAN 77?

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Q. Which of the following is not a valid variable name in C?

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Q. Which of the following array names is invalid in Fortran 77?

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