Mastering C Functions and Conditions

What is the correct syntax for declaring a function in C?

• function_name(parameter_type) return_type { /* function body */ }

• function_name { return_type parameter_type parameter_name }

• return_type function_name(parameter_type parameter_name) { /* function body */ }

• return_type function_name(parameter_name parameter_type) { }

How do you define a function that takes two integers and returns their sum?

• def calculate_sum(a, b): return a / b

• def total(a, b): return a * b

• def add_numbers(x, y): return x - y

• def sum_integers(a, b): return a + b

What is the purpose of the 'if' statement in C programming?

• To create loops in C programming.

• To define a function in C programming.

• To declare variables in C programming.

• To execute code conditionally based on a boolean expression.

How does the 'else' statement work in conjunction with 'if'?

• The 'else' statement runs before the 'if' condition is checked.

• The 'else' statement is only used for loops, not conditionals.

• The 'else' statement executes when the 'if' condition is false.

• The 'else' statement can execute multiple times if the 'if' condition is true.

What is the syntax for a switch case statement in C?

• if(condition) { // statements }

• while(condition) { // statements }

• switch(expression) { case constant1: // statements break; case constant2: // statements break; default: // statements }

• for(initialization; condition; increment) { // statements }

How do you handle multiple cases in a switch statement?

• Use if-else statements for all cases.

• Only use a default case for handling multiple values.

• Each case must have a separate block of code.

• Use case 'value1', case 'value2': to group cases together.

What is the default case in a switch statement used for?

• To replace all other cases in a switch statement.

• To define the main case in a switch statement.

• To handle unmatched cases in a switch statement.

• To optimize the performance of the switch statement.

What does the return statement do in a function?

• The return statement pauses a function's execution without returning a value.

• The return statement is used to call another function within the current function.

• The return statement only logs a message to the console without affecting the function.

• The return statement ends a function's execution and specifies the value to be returned.

Can a function return multiple values in C?

• Yes, a function can return multiple values using structures.

• Yes, a function can return multiple values using arrays.

• No, a function cannot return multiple values directly in C.

• Yes, a function can return multiple values using pointers.

What is a nested function and how is it defined in C?

• A nested function is a function that returns another function in C.

• A nested function is a function that can only be called from outside its parent function.

• A nested function is a function defined at the global scope in C.

• A nested function is a function defined within another function, but it is not standard in C.