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Understanding the Main Function in C Programming

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Understanding the Main Function in C Programming

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Questions and Answers

What does the keyword 'int' indicate about the main function?

It returns an integer value (correct)
It takes an integer as input
It should be followed by parentheses
It is a comment stating its purpose

What is the purpose of preceding every function by a comment?

To indicate that the function is incomplete
To specify that the function returns an integer
To prevent the function from executing
To explain the purpose of the function (correct)

What do the parentheses after main indicate?

That main is a comment
That the function main is incomplete
That the function main is not important
That the function main takes no arguments (correct)

What type of value does the main function return, based on the given text?

Integer value (C) Signup and view all the answers

What is the significance of the parentheses after the main function in C programs?

They indicate that main is a function (C) Signup and view all the answers

Why is it important to precede every function by a comment stating its purpose in C programs?

To make the program more readable and understandable for other programmers (B) Signup and view all the answers

What is the significance of the keyword 'int' before the main function in C programs?

It indicates that the main function returns a whole number value (A) Signup and view all the answers

What does the presence of parentheses after the main function signify in C programs?

The parentheses indicate that main is a function (A) Signup and view all the answers

Why is it important for C programs to consist of functions, one of which must be main?

To ensure that the program executes from the designated starting point (A) Signup and view all the answers