Deck 14: Let Me Count the Ways Counter-Controlled Loops

Question 1

A counter-controlled loop uses a counter ____ to keep track of the number of times the loop instructions are processed.

A) variable
C) condition
B) constant
D) control

Answer 1

A

Question 2

You can declare the counter variable in a Dim statement, as long as the Dim statement appears somewhere after the For…Next statement.

Answer 2

False

Question 3

A counter-controlled loop can be either a pretest loop or a posttest loop.

Answer 3

True

Question 4

When you declare a variable in the For clause, the variable stays in the computer's internal memory when the loop ends.

Question 5

The For...Next statement provides the most convenient way to code a posttest counter loop.

Question 6

The counter variable must be a(n) ____ variable.

A) iterative
C) alphanumeric
B) alpha
D) numeric

Question 7

Fewer unintentional errors occur in applications when the variables are declared using the ____ scope needed.

A) broadest
C) minimum
B) most open
D) maximum

Question 8

You do not need to specify the name of the counter variable in the Next clause, but doing so is highly recommended because it makes your code more self-documenting.

Question 9

You can use the ____ portion of the For clause to declare the counter variable.

A) As dataType
C) Dim As dataType
B) dataType
D) Dim dataType

Question 10

In the Financial.Pmt method, if Rate is a monthly interest rate, then NPer must specify the number of monthly payments.

Question 11

The My.Computer object provides access to several objects, such as your computer's Audio object.

Question 12

When a variable is declared in a(n) ____ statement at the beginning of a procedure, it has procedure scope and can be used by the entire procedure.

A) Dim
C) As
B) New
D) Create

Question 13

If the audio file is not in the project's bin\Debug folder, you will need to include the path to the file in the fileName argument.

Question 14

A pretest counter loop can only be coded using the Do…Loop statement.

Question 15

You code a posttest counter-controlled loop using the ____ statement.

A) Execute…Until
C) For…Next
B) Do...Loop
D) Do…Counter

Question 16

A loop whose instructions you want processed a precise number of times is often referred to as a ____ loop.

A) conditional
C) counter-controlled
B) precision
D) sequential

Question 17

With the negation operator, a positive number preceded by the negation operator remains a positive number.

Question 18

When you declare a variable in the For clause, the variable has ____ scope and can be used only within the For...Next loop.

A) program
C) solution
B) block
D) method

Question 19

To have the Audio object play an audio file, you use its Sound method.

Question 20

The mathematical formula for calculating a periodic payment on a loan is rather complex, so Visual Basic provides a method that performs the calculation for you.

Question 21

The ____ method contains a complex mathematical formula for calculating a periodic payment.

A) Fincl.Pmt
C) Fin.Pmt
B) Financial.Pmt
D) Fin.Payment

Question 22

The ____ object refers to your computer.

A) This.Computer
C) Local.Computer
B) My.ComputerObject
D) My.Computer

Question 23

The ____ operator reverses the sign of a number.

A) sign change
C) sign
B) change
D) negation

Question 24

Visual Basic's ____ feature exposes a set of commonly used objects to the programmer.

A) Obj
C) MyObj
B) My
D) ComObj

Question 25

To have an application play an audio file while it is running, you use the syntax ____.

A) My.Computer.Play(fileName)
C) My.Computer.Audio.Play(fileName)
B) Play(filename)
D) fileName.Play