Deck 6: Repeating Program Instructions

Question 1

In most cases, counters and accumulators are initialized to ____.

A) a random number
B) a predetermined maximum
C) zero
D) one

Answer 1

C

Question 2

The loop's condition in a flowchart is represented by the decision symbol, which is a ____.

A) diamond
B) circle
C) square
D) triangle

Answer 2

A

Question 3

In a(n) ____ loop, the condition is evaluated before the instructions within the loop are processed.

A) finite
B) infinite
C) pretest
D) posttest

Answer 3

C

Question 4

The InputBox function returns a ____.

A) variable
B) number
C) boolean value
D) string

Question 5

Incrementing or decrementing the value stored in the counter or accumulator is also referred to as ____.

A) imprinting
B) updating
C) baselining
D) initializing

Question 6

____ means adding a number to the value stored in the counter or accumulator.

A) Imprinting
B) Updating
C) Baselining
D) Initializing

Question 7

The Do...Loop statement can be used to code both a pretest loop and a posttest loop.

Question 8

The instructions in the pretest and posttest loops will always be processed at least once.

Question 9

If a list box allows the user to make only one selection, Windows applications automatically have the last list box item already selected when the interface appears.

Question 10

You can use the procedures associated with the list box's SelectedValueChanged and SelectedIndexChanged events to perform one or more tasks when the selected item has changed.

Question 11

A(n) ____ is a numeric variable used for adding together something.

A) collector
B) counter
C) accumulator
D) initializer

Question 12

A(n) ____ is a numeric variable used for counting something.

A) collector
B) counter
C) selector
D) initializer

Question 13

The ____ function displays an input dialog box, which is one of the standard dialog boxes available in Visual Basic.

A) InputBox
B) DialogBox
C) OutputBox
D) ShowBox

Question 14

The repetition structure is used when a programmer needs the computer to repeatedly process one or more program instructions until some condition is met.

Question 15

The ____ indicates when to continue an action.

A) if condition
B) loop exit statement
C) loop determinant
D) loop condition

Question 16

____ means to assign a beginning value to the counter or accumulator.

A) Imprinting
B) Baselining
C) Selecting
D) Initializing

Question 17

The repetition structure is also referred to as a(n) ____.

A) loop
B) extension
C) block
D) case

Question 18

In a(n) ____ loop, the condition is evaluated after the instructions within the loop are processed.

A) finite
B) infinite
C) pretest
D) posttest

Question 19

When using the InputBox function, you should use ____ for the prompt.

A) sentence capitalization
B) all uppercase letters
C) book capitalization
D) all lowercase letters

Question 20

The value returned by the InputBox function depends on ____.

A) the default settings
B) the mode the program is in
C) the input area
D) the button the user chooses

Question 21

A form's ____________________ event occurs when an application is started.

Question 22

The position of the items stored in a list box depends on the value stored in the list box's _____ property.

A) Count
B) Sorted
C) SelectedItem
D) SelectedIndex

Question 23

Match each item with a statement below.
a.posttest
f.loop exit condition
b.looping condition
g.index
c.update read
h.pretest
d.repetition
i.String Collection Editor window
e.collection
A loop that evaluates the condition before the instructions within the loop are processed.

Question 24

You can use the ____________________ statement to exit the Do...Loop statement prematurely, which means to exit it before the loop has finished processing.

Question 25

The number of choices the user can select in a list box is controlled by the list box's ____ property.

A) SelectionItem
B) SelectionMode
C) SelectionVariable
D) Selection

Question 26

Match each item with a statement below.
a.posttest
f.loop exit condition
b.looping condition
g.index
c.update read
h.pretest
d.repetition
i.String Collection Editor window
e.collection
A programming structure used when the programmer needs the computer to repeatedly process one or more program instructions until some condition is met, at which time the repetition structure ends.

Question 27

The ____________________ list box item is the item already selected when the interface appears.

Question 28

A ____ box displays a list of items from which the user can select zero items, one item, or multiple items.

A) screen
B) message
C) list
D) refresh

Question 29

Each time either the user or a statement selects an item in a list box, both the list box's ____ event and its SelectedIndexChanged event occur.

A) SelectedItemChanged
B) SelectedValueChanged
C) ChosenValueChanged
D) ChosenItemChanged

Question 30

Match each item with a statement below.
a.posttest
f.loop exit condition
b.looping condition
g.index
c.update read
h.pretest
d.repetition
i.String Collection Editor window
e.collection
Allows the user to update the value of the input item that controls the loop's condition.

Question 31

In most cases, you enter a list box's Add methods in the form's ____ event procedure.

A) Enter
B) Update
C) Add
D) Load

Question 32

Match each item with a statement below.
a.posttest
f.loop exit condition
b.looping condition
g.index
c.update read
h.pretest
d.repetition
i.String Collection Editor window
e.collection
A group of individual objects treated as one unit.

Question 33

Match each item with a statement below.
a.posttest
f.loop exit condition
b.looping condition
g.index
c.update read
h.pretest
d.repetition
i.String Collection Editor window
e.collection
The requirement for not repeating the instructions of a loop.

Question 34

When accessing items in a list box, the first item in the collection has an index of ____.

A) -1
B) 0
C) 1
D) null

Question 35

Match each item with a statement below.
a.posttest
f.loop exit condition
b.looping condition
g.index
c.update read
h.pretest
d.repetition
i.String Collection Editor window
e.collection
The requirement for repeating the instructions of a loop.

Question 36

Match each item with a statement below.
a.posttest
f.loop exit condition
b.looping condition
g.index
c.update read
h.pretest
d.repetition
i.String Collection Editor window
e.collection
Used to specify the list box items during design time.

Question 37

Match each item with a statement below.
a.posttest
f.loop exit condition
b.looping condition
g.index
c.update read
h.pretest
d.repetition
i.String Collection Editor window
e.collection
A unique number identifying each item in a list box's Items collection.

Question 38

You can use the ____________________ property to determine whether an item is selected in a list box.

Question 39

The ____________________ function displays an input dialog box, which is one of the standard dialog boxes available in Visual Basic.

Question 40

Match each item with a statement below.
a.posttest
f.loop exit condition
b.looping condition
g.index
c.update read
h.pretest
d.repetition
i.String Collection Editor window
e.collection
A loop that evaluates the condition after the instructions within the loop are processed.

Question 41

Describe how the positions of list box items is determined.

Question 42

Describe how you determine the number of items in a list box.

Question 43

What is customary in Windows applications that allow a user to make only one selection from a list box?

Question 44

How do you enable and disable a control?

Question 45

Describe the similarities and differences between a pretest loop and a posttest loop.

Question 46

How should a list box be sized to display the items it contains?

Question 47

What two list box properties can be used to determine the item selected in the list box and to select a list box item from code?

Question 48

Which method can you use to delay program execution? What is the syntax of the method?

Question 49

When adding items to a list box, describe how the items in the Items collection for a list box appear.

Question 50

Explain the syntax and use of the Refresh method.