Quiz 3

1. What is an infinite loop?

-A Loop whose stop condition is always true

OR

-A Loop that has a bad stop condition and thus never ends

2. What will the following Visual Basic code print?

Dim x As Integer

x=10

If x=1 Then

Print “pizza”

ElseIf x=2 Then

Print “hamburger” sushi

Else chocolate cake

Print “sushi”

End If

Print “chocolate cake”

3. When the following Visual Basic code is run, how many times will “Ontogeny recapitulates phylogeny” be printed out?

Dim x As Integer

x = 0 5 times

Do While x < 10

Print “Ontogeny recapitulates phylogeny”

x = x + 2

Loop

4. Look at the following code. After this code is run, what will the values of i, j, and k be?

Dim Option Explicit

Dim i as Integer, j as Integer, k As Integer

Private Sub add (x as Integer, y As Integer, r as Integer)

r = x + y

End Sub

Private Sub Form_Load()

i = 0 i = 6

j = 0 j = 3

k = 0 k = 3

Call add (3, i, j)

Call add (i, j, k)

Call add (j, k, i)

End Sub

5. In Visual Basic, what does Rnd do?

Generates a pseudo-random decimal number between 0 and 1, not including 0 or 1