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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Q. Consider following program fragment char c ='a' ;

while (c++ < = 'z')
putchar (xxx) ;

If required output is abcd....xyz, then xxx should be

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Q. Which of the following is a tabular listing of contents of certain registers and memory locations at different times during the execution of a program ?

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Q. A "switch" statement is used to

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Q. Choose the correct statement

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Q. Which is true of conditional compilation ?

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Q. Choose the statements that are syntactically correct

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Q. In a for loop, if the condition is missing, then,

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Q. In a for loop, if the condition is missing, then infinite looping can be avoided by a

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Q. Which of the following comments about for loop are correct?

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Q. Which of the following comments about for loop are correct ?

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Q. Choose the correct answers

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Q. Consider the following program fragment

if (a > b)
if (b > c)
s1 ;
else s2;

s2 will be executed if

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Q. If switch feature is used, then

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Q. The switch feature

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