Arrays and Functions

How do you initialize an array in C?

• int arr[3] = (1,2,3);

• int arr(3) = {1,2,3};

• int arr[3] = {1,2,3};

• int arr(3) = (1,2,3)

Which of the following is a valid C++ array definition?

• int scores [0];

• float $payments [10];

• int readings [4.5];

• int scores [10];

To assign the contents of one array to another, you must use

• the assignment operator with the array names

• the equality operator with the array names

• a loop to assign the elements of one array to the other array

• Any of these

What is the output of C Program.?

int main()

{

char grade[] = {'A','B','C'};

cout << "GRADE="<< *grade<< ", GRADE="<< grade;

}

• GRADE=some address of array, GRADE=A

• GRADE=A, GRADE=some address of array

• GRADE=A, GRADE=A

• Compiler error

What is the output of C Program.?

int main() {

int a[3] = {10,12,14};

a[1]=20;

int i=0;

while(i<3)

{ cout << a[i] << " ";

i++; }

}

• 20 12 14

• 10 20 14

• 10 12 20

• Error

When passing an array from the main to a sub-program, would you pass this by reference or by value?

• Reference

• Value

A variable created inside the function has_____ scope.

• local

• global

A function that has no return type starts with:

• int

• void

• Arguments

• Braces

A function that returns a whole number starts with the word

• int

• void

• string

• { }

Fill in the blank to have this function work properly

_____ function ( ) {

string greeting = "Welcome to my game";

return greeting;

}

• string

• void

• int

• variable