Visual Basic MCQs: Test Your Proficiency in Visual Basic Programming

91

In VB, the. . . . . . . . is the function that computes the square root of a number.

A) sqrt() B) round() C) abs() D) len()

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Answer & Solution

Answer: Option A

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92

In most applications, the code to define a user-defined data type is entered in the form's.

A) Declarations section B) Definition section C) Load event procedure D) User-defined section

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Answer & Solution

Answer: Option A

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93

Variables declared in a form's declaration section have . . . . . . . . scope.

A) Class B) Procedure C) Block D) Object

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Answer & Solution

Answer: Option A

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94

A structure variable named address contains a member variable named strStreet. Which of the following statements assigns the string "Maple" to the member variable?

A) address&strStreet = "Maple" B) address.strStreet = "Maple" C) strStreet.address = "Maple" D) strStreet&address="Maple"

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Answer & Solution

Answer: Option B

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95

ControlChars.NewLine constant is a . . . . . . . . constant.

A) Pure B) Invariable C) Character D) Intrinsic

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Answer & Solution

Answer: Option D

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96

Using array in a program is efficient because . . . . . . . .

A) It shortens the program. B) The program compiles faster C) Number of variables are reduced. D) Data is accessed faster

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Answer & Solution

Answer: Option D

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97

. . . . . . . . function is used to format numbers.

A) toString B) toNumber C) toFormat D) toSpecify

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Answer & Solution

Answer: Option A

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98

Which is used to restore a property's value?

A) Restore button B) Reset button C) Default button D) Back button

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Answer & Solution

Answer: Option B

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99

Writing data to a file is referred to as . . . . . . . .

A) Reading a file B) Writing a file C) Appending a file D) Executing a file

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Answer & Solution

Answer: Option B

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100

The intNums array is declared as follows: Dim intNums() As Integer = {10, 5, 7, 2}. Which of the following blocks of code correctly calculates the average value stored in the array? The intTotal, intSub, and dblAvg variables contain the number 0 before the loops are processed.

A)


Do While intSub < 4
intNums(intSub) = intTotal + intTotal
intSub = intSub + 1
Loop
dblAvg = intTotal / intSub

B)


Do While intSub < 4
intTotal = intTotal + intNums(intSub)
intSub = intSub + 1
Loop
dblAvg = intTotal / intSub

C)


Do While intSub < 4
intTotal = intTotal + intNums(intSub)
intSub = intSub + 1
Loop
dblAvg = intTotal / intSub − 1

D)


Do While intSub < 4
intTotal = intTotal + intNums(intSub)
intSub = intSub + 1
Loop
dblAvg = intTotal / (intSub − 1)

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Answer & Solution

Answer: Option B

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