Q. Example of iteration in C

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Q. Number of times while loop condition is tested is, i is initialized to 0 in both case.

while (i < n)
i++;
————-
do
i++;
while (i <= n);

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Q. Which loop is most suitable to first perform the operation and then test the condition?

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Q. Which keyword can be used for coming out of recursion?

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Q. The keyword ‘break’ cannot be simply used within:

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Q. Which keyword is used to come out of a loop only for that iteration?

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Q. goto can be used to jump from main to within a function

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Q. Which command is used to skip the rest of a loop and carry on from the top of the loop again?

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Q. The type of the controlling expression of a switch statement cannot be of the type ........

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Q. What's wrong in the following statement, provided k is a variable of type int?
for(k = 2, k <=12, k++)

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Q. Consider the following program fragment. What would be the value of sum for the input 1, -1, 2, -2, 3, -3, 4, -4, 5, -5

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Q. Which of the following is not logical operator?

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Q. In mathematics and computer programming, which is the correct order of mathematical operators ?

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Q. Which of the following cannot be checked in a switch-case statement?

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Q. Which of the following statements are correct about an if-else statements in a C-program?

1: Every if-else statement can be replaced by an equivalent statements using   ?: operators
2: Nested if-else statements are allowed.
3: Multiple statements in an if block are allowed.
4: Multiple statements in an else block are allowed.

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Q. Which of the following sentences are correct about a for loop in a C program?



1:
for loop works faster than a while loop.


2:
All things that can be done using a for loop can also be done using a while loop.


3:
for(;;); implements an infinite loop.


4:
for loop can be used if we want statements in a loop get executed at least once.

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Q. Which of the following sentences are correct about a switch loop in a C program
1: switch is useful when we wish to check the value of variable against a particular set of values.
2: switch is useful when we wish to check whether a value falls in different ranges.
3: Compiler implements a jump table for cases used in switch.
4: It is not necessary to use a break in every switch statement.

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Q. For loop in a C program, if the condition is missing

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Q. Which of the following statement about for loop is true ?

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Q. How many times will the following loop be executed if the input data item is 0 1 2 3 4 ?

while (c = getchar ()! = 0)
{ }

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