1. (TCO 5) How many times will DOG be displayed when the following lines are executed?

For counter As Integer = 13 To -3 Step -6

System.Console.WriteLine("DOG")

Next 

Two

Three

Four

Five

None of the above

 

2. (TCO 5) What numbers will be displayed by the following code?

Dim num As Integer = 7

Do

num += 1

System.Console.WriteLine(num.ToString("N0"))

Loop Until (num > 6)

System.Console.WriteLine(num.ToString("N0")) 

7

8

7 and 8

8 and 8

 

3. (TCO 5) Floating-point variables, such as Double, should not be used _____. 

as counters that control loop execution

to perform mathematical calculations inside a loop

as approximate representations of decimal numbers

for applications when precision is required

 

4. (TCO 5) You are writing a For…Next loop. Which of the following is valid for an initial or terminating value? 

The value stored in a variable declared as an Integer

info.Length, where info is a String variable

10

All of the above

 

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