Deck 3: Introduction to Visual Basic Programming

Question 1

Syntax errors are indicated only when you compile a program.

Answer 1

False

Question 2

All variables must be declared with a name and a data type before they can be used in a program.

Answer 2

True

Question 3

A Form's _________ event occurs just before the Form is displayed on the screen,typically as a result of executing the program.

A)Display
B)Raised
C)Execute
D)Load

Answer 3

D

Question 4

You insert comments in your programs to document and improve the readability of your code.

Question 5

A directs a user to take a specific action.

A)declaration
B)error
C)prompt
D)None of the above.

Question 6

Variable declarations can begin with:

A)Declare
B)Dim
C)Dec
D)As

Question 7

A Textbox's _________ property can be used to change the text that's displayed in a Textbox.

A)Content
B)String
C)Data
D)Text

Question 8

A comment in Visual Basic begins with:

A)*/
B)'
C)//
D)\\

Question 9

Data types already defined in Visual Basic,such as String and Integer,are known as .

A)Constant data types
B)Pre data types
C)Primitive data types
D)Standard data types

Question 10

_________ are violations of language rules.

A)Logic errors
B)Syntax errors
C)Run-time errors
D)None of the above.

Question 11

Visual Basic is case sensitive;therefore,an identifier named Pencil is not the same as one named pencil.

Question 12

The following pair can be used to begin and end a method declaration:

A)Sub,End Sub
B)Open Sub,Close Sub
C)Pro,End Pro
D)Procedure,End Procedure

Question 13

What does IntelliSense help you do?

A)Detect errors
B)Simplify writing code
C)Compile your code
D)a and c

Question 14

The .exe file extension indicates that the file is _________.

A)extensible
B)executable
C)existent
D)extinct

Question 15

Which operator performs string concatenation?

A)&
B)@
C)%
D)#

Question 16

Which of the following is a valid declaration in Visual Basic?

A)Int number
B)Dim Integer number
C)Dim number = Integer
D)Dim number As Integer

Question 17

A binary operator has _________ operand(s).

A)one
B)two
C)zero or one
D)two or fewer

Question 18

Which of the following is not true about GUIs?

A)GUIs allow users to interact visually with programs.
B)A GUI gives a program a distinctive look and feel.
C)Scrollbars are always present in GUIs.
D)GUIs are built from GUI controls called widgets.

Question 19

When the user interacts with a GUI component,the interaction,known as a(n)_________,causes the program to perform a task by "calling" a method.

A)driver
B)action
C)event
D)cause

Question 20

Which of the following is not a valid identifier?

A)Start
B)AboutForm
C)modFirst Welcome
D)value4

Question 21

Which of the following is in highest-to-lowest order of operator precedence?

A)multiplication,division,exponentiation
B)addition,subtraction,division
C)exponentiation,multiplication,addition
D)None of the above.

Question 22

When you drag a control across a Form,_________ appear to help you position the control with respect to the Form's edges and other controls.

A)edge lines
B)guide lines
C)position lines
D)snap lines

Question 23

You can change a control's variable name by selecting the control and modifying its _________ property.

A)Id
B)Name
C)Tag
D)Alias

Question 24

The != operator compares two numbers to determine if they are not equal.

Question 25

The + is the string concatenation operator in Visual Basic.

Question 26

Whenever a value is placed in a memory location,the previous value is saved so that it can be restored later.

Question 27

Arithmetic expressions in Visual Basic must be written in straight-line form.

Question 28

A declaration may declare only one variable at a time.

Question 29

The fractional part in integer division is stored in a variable declared automatically at run-time.

Question 30

An assignment statement assigns a variable to a value.

Question 31

Which of the following represents the "is equal to" equality operator:

A)=
B)!=
C)=!
D)==

Question 32

Binary operators require two operands.

Question 33

Set a Label's _________ property to Fixed3D to give the Label a three-dimensional appearance.

A)BorderStyle
B)BorderDepth
C)BorderShading
D)BorderPerspective

Question 34

The expression between the words If and Then is called a:

A)condition
B)clause
C)operator
D)controller

Question 35

An assignment statement is evaluated left-side first.

Question 36

The event is a TextBox's default event.

A)TextEntered
B)Click
C)Load
D)TextChanged.

Question 37

Every variable has a .

A)type
B)size
C)value
D)All of the above.

Question 38

The statement allows a program to make a decision based on the truth or falsity of some condition.

A)If…Then
B)Test
C)Whether
D)None of the above.

Question 39

Which of the following represents modulus arithmetic?

A)Mod
B)/
C)%
D)^

Question 40

When a value is read from a memory location,the value in that location is retained.

Question 41

Using redundant parentheses in a complex expression is a wasteful practice.