C/C++ C Function

Choose correct statement about Functions in C Language

• A Function is a group of c statements which can be reused any number of times

• Every Function has a return type

• Every Function may no may not return a value

• All the above

Choose a correct statement about C Function?

• "main" is the name of default must and should Function

• main() is same as int main()

• By default, return 0 is added as the last statement of a function without specific return type

• All the above

A function which calls itself is called a ___ function.

• Self Function

• Auto Function

• Recursive Function

• Static Function

How many times the program will print "Algbly"?

• Infinite times

• 32767 times

• 65535 times

• Till stack overflows

Answer explanation

A call stack or function stack is used for several related purposes, but the main reason for having one is to keep track of the point to which each active subroutine should return control when it finishes executing.A stack overflow occurs when too much memory is used on the call stack.Here function main() is called repeatedly and its return address is stored in the stack. After stack memory is full. It shows stack overflow error.

Determine Output

• PISTA CACHEW

• CASHEW PISTA

• PISTA CASHEW with compiler warning

• Compiler error

Answer explanation

Here show() function should not return anything. So, return 10; is not recommended.

What are the types of functions in C Language?

• Library Functions

• User Defined Functions

• Both Library and User Defined

• None of the above

What is the limit for number of functions in a C Program?

• 16

• 31

• 32

• No Limit

Answer explanation

There is no limit on the number of functions.

Every C Program should contain which function?

• printf()

• show()

• scanf()

• main()

Answer explanation

main() is a compulsory function with or without returning anything.

What is the minimum number of functions to be present in a C Program?

• 1

• 2

• 3

• 4

Answer explanation

At least there will be one function which is main() function.

What is the maximum number of statements that can present in a C function?

• 64

• 128

• 256

• None of the above

Answer explanation

There is no limit on the number of statements that can present in a C Function.