Stuck on some questions for c++

A function prototype is placed before int main().

		true
		false

2 points

Question 2

What does the letter "D" look like inside the computer?

		d
		D
		decimal 68
		decimal 100

2 points

Question 3

How does a function report its result back to its calling (or boss) function if there is a value to be reported back?

		By storing the result into one of the variables passed as an argument.
		By storing the result directly into the caller's variable.
		By cout-int the result to the screen.
		By asking the user to do it.
		By executing a return statement with the result.

2 points

Question 4

What will happen if a variable of type char called ch is typecasted as an integer and cout-ed? cout << (int) ch;

		The character will be displayed
		The cout statement will produce a run-time error
		The ASCII value of the character will be displayed
		The cout statement will not compile

2 points

Question 5

If (var ==false) is testing a:

		a string
		a character
		a boolean variable
		an array

2 points

Question 6

A table is defined as int Array[500]={1,2} How many zeros are in the table?

		No zeros are in the table.
		1
		2
		498
		500

2 points

Question 7

A copy is made of a variable when you call by ____________

		reference
		address
		copy
		value

2 points

Question 8

What is used to show a call by reference?

		& is coded on the call to the function
		& is coded on the function prototype
		The data type is coded on the function prototype.
		Const is coded on the function prototype.

2 points

Question 9

Which of the following "chunks" of C++ code will print the contents of an array called ar that has been defined to hold 25 integer values and has been initialized with 25 integer values.

		cout << ar;
		for( int sub = 0; sub == 25; sub++ ) cout << ar[sub] << " ";
		for( int sub = 0; sub < 25; sub++ ) cout << ar[sub] << " ";
		for( int sub = 0; sub <= 25; sub++ ); cout << ar[sub] << " ";

2 points

Question 10

What is the subscript of the last element in the array Table if is defined as follows: float Table[30];

		30
		31
		29
		0