all for c#

QUESTION 1

Examine the code. When will C be assigned 3? (Be careful.) if (A == B); C = 3;

		when A is equal to B
		when A is not equal to B
		never
		every time the program is executed
		not enough information is given

1.00000 points

QUESTION 2

Which statement in C# allows you to do the following: Properly check the variable code to determine whether it contains the character C, and if it does, display This is a check and then advance to a new line?

		if code is equal to C WriteLine("This is a check");
		if (code = "C") WriteLine("This is a check");
		if (code == 'C') WriteLine("This is a check");
		if (code == C) WriteLine("This is a check");
		none of the above

1.00000 points

QUESTION 3

Consider the following if statement, which is syntactically correct, but uses poor style and indentation: if (x >= y) if (y > 0) x = x * y; else if (y < 4) x = x y; Assume that x and y are int variables containing the values 9 and 3, respectively, before execution of the preceding statement. After execution of the statement, what value does x contain?

		9
		1
		6
		27
		none of the above

1.00000 points

QUESTION 4

After execution of the following code, what will be the value of inputValue? int inputValue = 0; if (inputValue > 5) inputValue += 5; else if (inputValue > 2) inputValue += 10; else inputValue += 15;

		15
		10
		25
		0
		5

1.00000 points

QUESTION 5

Given the following segment of code, what will be the output? int x = 5; if (x == 2) Write("Brown, brown, run aground. "); else Write("Blue, blue, sail on through. "); Write("Green, green, nice and clean.");

		Brown, brown, run aground.
		Blue, blue, sail on through.
		Brown, brown, run aground. Blue, blue, sail on through.
		Blue, blue, sail on through. Green, green, nice and clean.
		none of the above

1.00000 points

QUESTION 6

If aValue and bValue are both defined as integers, the result of the expression if (aValue == bValue) is:

		aValue
		10
		an integer value
		true or false
		determined by an input statement

1.00000 points

QUESTION 7

The single equal symbol (=) is:

		the operator used to test for equality
		used for comparing two items
		used as part of an assignment statement
		considered a logical compound operator
		all of the above

1.00000 points

QUESTION 8

What is displayed when the following code executes? score = 0; if (score > 95) Write("Congratulations! "); Write("That's a high score! "); Write("This is a test question!");

		This is a test question!
		Congratulations! That's a high score! This is a test question!
		That's a high score! This is a test question!
		Congratulations! That's a high score!
		none of the above

1.00000 points

QUESTION 9

What will be displayed from executing the following segment of code? You may assume testScore has a value of 90. int testScore; if (testScore < 60); // Note the semicolon. Write("You failed the test! "); if (testScore > 60) Write("You passed the test! "); else Write("You need to study for the next test!");" +

		You failed the test!
		You passed the test!
		You failed the test! You passed the test!
		You failed the test! You need to study for the next test!
		none of the above

1.00000 points

QUESTION 10

Complete the tables below for Logical And and Or (T and F denote true and false.) P Q P And Q T T T T F F T F F F P Q P Or Q T T T T F F T F F F

4.00000 points

QUESTION 11

Incorrect use of spacing with an if statement:

		detracts from its readability
		causes a syntax error message
		can change the program logic
		causes a logic error message
		all of the above

1.00000 points

QUESTION 12

What does the following program segment display? int f = 7, s = 15; f = s % 2; if (f != 1) { f = 0; s = 0; } else if (f == 2) { f = 10; s = 10; } else { f = 1; s = 1; } WriteLine(" " + f + " " + s);

		7 15
		0 0
		10 10
		1 1
		none of the above