C exam3

How many times the program will print “Hello! All the Best!" ? #include<stdio.h> int main() { printf("Hello! All the Best!"); main(); return 0; }

Infinite times
32767 times
65535 times
Till stack overflows

In C, all functions except main() can be called recursively. True or False?

True
False

If a function contains two return statements successively, the compiler will generate warnings. Yes/No ?

Yes
No

Will the following functions work?. Yes/No ? int f1(int a, int b) { return ( f2(20) ); } int f2(int a) { return (a*a); }

Yes
No

In a function two return statements should never occur. Yes/No ?

Yes
No

Which of the following statements are correct about the function? long fun(int num) { int i; long f=1; for(i=1; i<=num; i++) f = f * i; return f; }

The function calculates the value of 1 raised to power num.
The function calculates the square root of an integer
The function calculates the factorial value of an integer
None of above

Point out the error in the program: #include<stdio.h> int main() { int a=10; void f(); a = f(); printf("%d\n", a); return 0; } void f() { printf("Hi"); }

Error: Not allowed assignment
Error: Doesn't print anything
No error
None of above

Duration of time in which a variable exists in memory

scope
longetivity
lifetime
none of the above

Which of the following is not a library function?

sqrt()
add()
time()
all of the above

What is the scope of an extern variable?

Local scope
Program scope
File scope
Global scope

What is the default value of an static variable?

0
1
garbage
infinity

A recursion in which at most one recursive call is carried out as a part of execution of a single recursive process

linear recursion
non-linear recursion
mutual recursion
None of the above

Out of the following, what type of values can a function return?

void
array
Character array
All of the above

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C exam3

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C exam3