Computer Visual Basic Quiz
Computer Visual Basic is a programming language that provides Graphical User Interface. This computer Visual Basic quiz will test your knowledge of the subject and will also provide valuable insight into the matter. The quiz contains various facts, trivia, and other relevant questions from the stream to help you master the topic. Knowing computer Visual Basic would greatly help accelerate your career growth. So try this informative quiz. All the best!
- 1.
When you declare a variable or a named constant, Visual Basic reserves an area of memory and assigns it a name called a(n) _______.
- A.
Identifier
- B.
Identity
- C.
Declaration
- D.
Dimension
Correct Answer
A. IdentifierExplanation
Answer: A Page: 97 Objective: 1Rate this question:
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- 2.
Declaration statements _______.
- A.
Are only used for variables and are not needed for constants
- B.
Are only allowed in the Declarations section of a form
- C.
Give variables and constants names, and specify the type of data they will hold
- D.
Both answers B and C are correct.
Correct Answer
C. Give variables and constants names, and specify the type of data they will holdExplanation
Answer: C Page: 97 Objective: 1Rate this question:
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- 3.
Which of the following is not a valid data type?
- A.
Integer
- B.
Real
- C.
Decimal
- D.
String
Correct Answer
B. RealExplanation
Answer: B Page: 97 Objective: 2Rate this question:
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- 4.
The data type that is used for decimal fractions is _______.
- A.
Decimal
- B.
Short
- C.
Integer
- D.
Fraction
Correct Answer
A. DecimalExplanation
Answer: A Page: 97 Objective: 2Rate this question:
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- 5.
Which of the following is not a valid rule for naming identifiers?
- A.
Names may contain underscores, but not good coding standards
- B.
Names may contain letters
- C.
Names may contain digits
- D.
Names may contain spaces
Correct Answer
D. Names may contain spacesExplanation
Answer: D Page: 98 Objective: 3Rate this question:
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- 6.
Which of the following is NOT a rule for naming identifiers?
- A.
Identifiers for constants should use an underscore between words
- B.
Identifiers should use periods to separate words
- C.
Identifiers should list the data type at the end of the name
- D.
Identifiers cannot contain embedded blanks
Correct Answer
B. Identifiers should use periods to separate wordsExplanation
Answer: B Page: 98 Objective: 3Rate this question:
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- 7.
The length of identifiers is limited to _______.
- A.
1 to 8 characters
- B.
1 to 256 characters
- C.
1 to 4,000 characters
- D.
1 to 16,383 characters
Correct Answer
D. 1 to 16,383 charactersExplanation
Answer: D Page: 98 Objective: 3Rate this question:
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- 8.
Which of the following does not follow the conventions for naming identifiers?
- A.
DecUnitsEnrolled
- B.
StrZipCode
- C.
Dec.amount.due
- D.
STRCOUNTRY
Correct Answer
C. Dec.amount.dueExplanation
Answer: C Page: 98 Objective: 3Rate this question:
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- 9.
Which of the following is not a rule for naming identifiers for constants?
- A.
Include the data type at the end of the identifier
- B.
Everything in the identifier's name should be capitalized except the data type
- C.
Identifiers for constants should begin with a prefix of Const
- D.
Identifiers for constants should use an underscore between words
Correct Answer
C. Identifiers for constants should begin with a prefix of ConstExplanation
Answer: C Page: 99 Objective: 3Rate this question:
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- 10.
Intrinsic constants are _______.
- A.
Declared using the keyword Const
- B.
Declared using the keyword Dim
- C.
Placed in the Declarations section of a form
- D.
Built into Visual Studio
Correct Answer
D. Built into Visual StudioExplanation
Answer: D Page: 101 Objective: 4Rate this question:
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- 11.
If Option Strict is turned off and a declaration statement does not specify a data type, it will default to _______.
- A.
Boolean
- B.
String
- C.
Object
- D.
Variable
Correct Answer
C. ObjectExplanation
Answer: C Page: 101 Objective: 4Rate this question:
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- 12.
The reserved Visual Basic word, Dim, is short for dimension, which means _______.
- A.
Declaration
- B.
Size
- C.
Storage location
- D.
Identifier
Correct Answer
B. SizeExplanation
Answer: B Page: 102 Objective: 4Rate this question:
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- 13.
Which of the following is a valid statement that can be used to declare a local variable that will store whole numbers?
- A.
Dim indexWhole as Whole
- B.
Dim strIndex as String
- C.
Dim Integer as Index
- D.
Dim intIndex as Integer
Correct Answer
D. Dim intIndex as IntegerExplanation
Answer: D Page: 102 Objective: 4Rate this question:
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- 14.
Which of the following is a valid statement that can be used to declare a local variable that will store fractions?
- A.
Dim indexFraction As Fraction
- B.
Dim strIndex As String
- C.
Dim decIndex As Decimal
- D.
Dim intIndex As Integer
Correct Answer
C. Dim decIndex As DecimalExplanation
Answer: C Page: 102 Objective: 4Rate this question:
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- 15.
Where should the statement: Dim counterInteger As Integer, appear if you plan to use counterInteger in only one event procedure?
- A.
The Declarations section of the form
- B.
The Form_Load procedure
- C.
The event procedure where intCounter will be used
- D.
The Namespace Constants file
Correct Answer
C. The event procedure where intCounter will be usedExplanation
Answer: C Page: 103 Objective: 5Rate this question:
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- 16.
Where should the statement: Const STR_ACCOUNT_NUMBER As String = "A45", appear if you plan to use STR_ACCOUNT_NUMBER in more than one procedure?
- A.
The Declarations section of the form
- B.
The Form_Load procedure
- C.
The event procedure where STR_ACCOUNT_NUMBER will be used
- D.
The Namespace Constants file
Correct Answer
A. The Declarations section of the formExplanation
Answer: A Page: 104 Objective: 5Rate this question:
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- 17.
A _______ variable is declared inside a procedure.
- A.
Namespace
- B.
Module-level
- C.
Local
- D.
Block
Correct Answer
C. LocalExplanation
Answer: C Page: 104 Objective: 5Rate this question:
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- 18.
Variables declared within a button's click-event are _____ variables.
- A.
Local
- B.
Module-level
- C.
Namespace
- D.
Private
Correct Answer
A. LocalExplanation
Answer: A Page: 104 Objective: 5Rate this question:
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- 19.
If a procedure contains a Dim statement and strName is assigned as the identifier, strName can be used _______.
- A.
Anywhere in the project
- B.
Only in the procedure where the Dim statement is shown
- C.
Anywhere in the project if the variable name is changed to STR_NAME
- D.
Only once in the procedure
Correct Answer
B. Only in the procedure where the Dim statement is shownExplanation
Answer: B Page: 104 Objective: 5Rate this question:
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- 20.
A variable that is declared in the Declarations section of a form is a(n) _______.
- A.
Module-level variable
- B.
Local variable
- C.
Block variable
- D.
General variable
Correct Answer
A. Module-level variableExplanation
Answer: A Page: 104 Objective: 5Rate this question:
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- 21.
What statement should be used to declare a module-level variable?
- A.
Dim
- B.
Const
- C.
Private
- D.
Public
Correct Answer
C. PrivateExplanation
Answer: C Page: 104 Objective: 5Rate this question:
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- 22.
Integer.Parse is used to _______.
- A.
Convert data in a textbox to a numeric value with no decimal places
- B.
Properly align decimal positions in a numeric value
- C.
Add a dollar sign ($) to improve the way the output looks
- D.
Convert data in a textbox to a numeric value with 2 decimal places
Correct Answer
A. Convert data in a textbox to a numeric value with no decimal placesExplanation
Answer: A Page: 106 Objective: 6Rate this question:
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- 23.
Which of the following is not a valid method for parsing?
- A.
Integer.Parse
- B.
Decimal.Parse
- C.
Parse.String
- D.
All of the above are valid
Correct Answer
C. Parse.StringExplanation
Answer: C Page: 107 Objective: 6Rate this question:
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- 24.
Which of the following has the highest order of precedence in arithmetic expressions?
- A.
Multiplication and division
- B.
Addition and subtraction
- C.
Exponentiation
- D.
Operators are not significant; all calculations are evaluated from left to right
Correct Answer
C. ExponentiationExplanation
Answer: C Page: 109 Objective: 7Rate this question:
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- 25.
What will be the value of answerInteger after execution of these statements? Const numberAInteger as Integer = 6 Const numberBInteger as Integer = Const numberCInteger as Integer = 2 answerInteger = numberAInteger + numberBInteger * numberCInteger
- A.
6
- B.
14
- C.
20
- D.
48
Correct Answer
B. 14Explanation
Answer: B Page: 109 Objective: 7Rate this question:
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- 26.
Using the order of precedence and the formula below, what is answerInteger if: numberOneInteger=2, numberTwoInteger=12, numberThreeInteger=20, and numberFourInteger=6 answerInteger= numberOneInteger * (numberTwoInteger + numberThreeInteger) - numberFourInteger / numberOneInteger
- A.
19
- B.
41
- C.
61
- D.
None of the above
Correct Answer
C. 61Explanation
Answer: C Page: 109 Objective: 7Rate this question:
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- 27.
What will be the value of totalInteger after execution of this statement? Assume that valueInteger = 2. totalInteger= ((valueInteger + 2) * (valueInteger + 4)) / valueInteger + 1
- A.
13
- B.
8
- C.
12
- D.
None of the above
Correct Answer
A. 13Explanation
Answer: A Page: 109 Objective: 7Rate this question:
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- 28.
What will be the value of answerInteger after execution of the following line of code? Assume that numberAInteger = 6, numberBInteger = 4, numberCInteger = 2 answerInteger = (numberAInteger + numberBInteger) * (numberAInteger / numberCInteger)
- A.
6
- B.
30
- C.
27
- D.
None of the above
Correct Answer
B. 30Explanation
Answer: B Page: 109 Objective: 7Rate this question:
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- 29.
The Visual Basic statement that requires all variables to be declared is _______.
- A.
Dim
- B.
Option Strict On
- C.
Option Explicit
- D.
Declarations
Correct Answer
C. Option ExplicitExplanation
Answer: C Page: 112 Objective: 8Rate this question:
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- 30.
In order to control the number of decimals that will appear when a number is displayed, you can use _______.
- A.
A conversion function
- B.
A string variable
- C.
A constant
- D.
The format specifier codes
Correct Answer
D. The format specifier codesExplanation
Answer: D Page: 116 Objective: 10Rate this question:
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- 31.
MessageBox.Show("Hello","Goodbye") will display _______.
- A.
"Hello" in the message box titlebar and "Goodbye" in the body of the message box
- B.
"Goodbye" in the body of the message box; "Hello" is the name of the message box
- C.
"Goodbye" in the message box titlebar and "Hello" in the body of the message box
- D.
None of the above
Correct Answer
C. "Goodbye" in the message box titlebar and "Hello" in the body of the message boxExplanation
Answer: C Page: 126 Objective: 12Rate this question:
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Aug 21, 2023Quiz Edited by
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May 11, 2011Quiz Created by
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