C exam1

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C exam1

Welcome my dear students, here you can opt for the answer that you feel most appropriate. Use the exam to enhance your C skills. Have a hand at all the questions and try to score maximum.

The keyword used to transfer control from a function back to the calling function is

• switch
• goto
• goback
• return

A function cannot be defined inside another function.

• True
• False

Every function must return a value. Yes/No ?

• Yes
• No

Maximum number of arguments that a function can take is 12. Yes/No ?

• Yes
• No

Is it true that too many recursive calls may result into stack overflow?

• Yes
• No

Which of the following statements are correct about the program? #include<stdio.h> int main() { printf("%p\n", main()); return 0; }

• It prints garbage values infinitely
• Runs infinitely without printing anything
• Error: main() cannot be called inside printf()
• No Error and print nothing

Point out the error in the following function: f(int a, int b) { int a; a = 20; return a; }

• Missing parenthesis in return statement
• The function should be defined as int f(int a, int b)
• Redeclaration of a
• None of the above

The region of a program in which a variable is available for use.

• scope
• longetivity
• life time
• none of the above

Which of the following is not a library function?

• sqrt()
• square()
• time()
• none of the above

What is the scope of a static variable?

• Local scope
• Program scope
• File scope
• Global scope

What is the default value of an extern variable?

• 0
• 1
• garbage
• infinity

A recursion in which more than one recursion can be 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, which is an element of user-defined functions?

• Function definition
• Function call
• Function prototype
• All of the above

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