R4RIN – MCQs, Mock Tests | VB.Net VB.Net Mcq Question Set 10

If the elements in two arrays are related by their subscripts, the arrays are called as ______arrays.

1. associated
2. coupled
3. matching
4. parallel

✅ Correct Answer: 4

The strStates and strCapitals arrays are parallel arrays. If Illinois is stored in the second element in the strStates array, where is its capital (Springfield) stored?

1. strCapitals(1)
2. strCapitals(2)
3. strCapitals(0)
4. strCapitals(3)

✅ Correct Answer: 1

A __________ resembles a table.

1. One-dimensional array
2. Two-dimensional array
3. Three-dimensional array
4. N-dimensional array

✅ Correct Answer: 2

We can determine number of elements in two-dimensional array by ______

1. Multiplying number of rows and number of columns
2. Adding number of rows and number of columns
3. Multiplying number of rows and number of rows
4. Adding number of columns and number of columns

✅ Correct Answer: 1

The _____________ in a two-dimensional array specifies the elements row and column position.

1. Superscript
2. Subscript
3. Row number
4. Column number

✅ Correct Answer: 2

Each element in a two-dimensional array is identified by a unique combination of _______

1. One subscript
2. Two subscripts
3. Three subscripts
4. Zero subscript

✅ Correct Answer: 2

The subscripts are _________ than the row and column in which the element is located.

1. One number less
2. One number more
3. Two number less
4. Two number more

✅ Correct Answer: 1

To traverse two dimensional array you require ________________ loops.

1. One
2. Two
3. Three
4. Zero

✅ Correct Answer: 2

Which of the following declares a two-dimensional array that has three rows and four columns?

1. Dim decNums(2, 3) As Decimal
2. Dim decNums(3, 4) As Decimal
3. Dim decNums(3, 2) As Decimal
4. Dim decNums(4, 3) As Decimal

✅ Correct Answer: 2

The intSales array is declared as follows: Dim intSales(,) As Integer = {{1000, 1200, 900, 500, 2000}, {350, 600, 700, 800, 100}}. The intSales(1, 3) = intSales(1, 3) + 10 statement will ______

1. replace the 900 amount with 910
2. replace the 500 amount with 510
3. replace the 700 amount with 710
4. replace the 800 amount with 810

✅ Correct Answer: 4

Variables declared using a structure is known as __________

1. Variables
2. Auto variables
3. Structure variables
4. Constant variables

✅ Correct Answer: 3

You refer to the structure variable by its ______

1. Name
2. Data type
3. Dot operator
4. Member name

✅ Correct Answer: 1

You refer to the member variable by preceding its name with the name of the _______ in which it is defined.

1. Variable
2. Auto variable
3. Structure variable
4. Constant variables

✅ Correct Answer: 3

Programmers use _____ when they need to pass a group of related variables.

1. Structure variable
2. Variable
3. Auto variable
4. Constant variable

✅ Correct Answer: 1

Programmers use ________ when they need to store related items in an array, even though the members have different data type.

1. Structure variable
2. Variable
3. Auto variable
4. Constant variable

✅ Correct Answer: 1

Which statement is used to create a user-defined data type?

1. Declare
2. Define
3. Struct
4. UserType

✅ Correct Answer: 3

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

1. address&strStreet = “Maple”
2. address.strStreet = “Maple”
3. strStreet.address = “Maple”
4. strStreet&address=”Maple”

✅ Correct Answer: 2

An array is declared using the statement Dim inventory(4) As Product. Which of the following statements assigns the number 100 to the intQuantity member variable contained in the last array element?

1. inventory.intQuantity(4) = 100
2. inventory(4).Product.intQuantity = 100
3. inventory(3).intQuantity = 100
4. inventory(4).intQuantity=100

✅ Correct Answer: 3

An application uses a structure named Employee. Which of the following statements declares a five-element array of Employee structure variables?

1. Dim workers(4) As Employee
2. Dim workers(5) As Employee
3. Dim workers As Employee(4)
4. Dim workers As Employee(5)

✅ Correct Answer: 2

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

1. Declarations section
2. Definition section
3. Load event procedure
4. User-defined section

✅ Correct Answer: 1

Reading data from a file is referred to as _______

1. Reading a file
2. Writing a file
3. Appending a file
4. Executing a file

✅ Correct Answer: 1

Writing data to a file is referred to as ________

1. Reading a file
2. Writing a file
3. Appending a file
4. Executing a file

✅ Correct Answer: 2

The file to which data is write is referred to as _______

1. Input file
2. Output file
3. Random access file
4. Sequential file

✅ Correct Answer: 2

Files that are read by computer are called as ______

1. Input file
2. Output file
3. Random access file
4. Sequential file

✅ Correct Answer: 1

Files that read and write in consecutive order are known as _____

1. Input files
2. Output files
3. Sequential access file
4. Random access file

✅ Correct Answer: 3

Files that contain lines of text are known as _______

1. Binary files
2. Text files
3. Character files
4. Array files

✅ Correct Answer: 2

Programmers refer to the sequence of character as _________

1. Stream of tokens
2. Stream of characters
3. Stream of bits
4. Stream of bytes

✅ Correct Answer: 2

In Visual Basic, you use _________ to write a stream of characters.

1. StreamWriter object
2. StreamWriter class
3. StreamReader object
4. StreamReader class

✅ Correct Answer: 1

__________ is used to open a sequential access file for output.

1. CreateText method
2. AppendText method
3. OpenText method
4. WriteText method

✅ Correct Answer: 1

________ is used to open the sequential file access for append.

1. CreateText method
2. AppendText method
3. OpenText method
4. WriteText method

✅ Correct Answer: 2

______ is a programming language that allows the programmer to use objects to accomplish his goals.

1. Structured programming language
2. Object-oriented programming language
3. Top-down programming language
4. Bottom-up programming language

✅ Correct Answer: 2

Each object used in a object oriented programming is created from ______

1. Class
2. Object
3. Instance
4. users

✅ Correct Answer: 1

An object is the ________ of the class.

1. Instance
2. Class
3. Object
4. users

✅ Correct Answer: 1

A _________ variable is the instance of the String class.

1. Button
2. String
3. Character
4. Array

✅ Correct Answer: 2

_____ are the characteristics that describe the object.

1. Classes
2. Attributes
3. Objects
4. Instances

✅ Correct Answer: 2

_____ are operations that the object is capable of performing.

1. Methods
2. Events
3. Instances
4. Attributes

✅ Correct Answer: 1

______ are the actions to which an object can respond.

1. Methods
2. Events
3. Instances
4. Attributes

✅ Correct Answer: 2

An object’s _______________ include methods and events.

1. Attribute
2. Behavior
3. Instance
4. Methods

✅ Correct Answer: 2

A class ______________ all the behavior and attributes of an object.

1. Encapsulates
2. Abstracts
3. Inherits
4. Instantiate

✅ Correct Answer: 1

Objects are ____________ from a class.

1. Instantiated
2. Evaluated
3. Printed
4. Outdated

✅ Correct Answer: 1

Class is defined using _______

1. Class statement
2. Object statement
3. Access specifier statement
4. Instance statement

✅ Correct Answer: 1

The convention is to use _____ case for classname.

1. Upper
2. Lower
3. Pascal
4. Mixed

✅ Correct Answer: 3

Objects are represented by _____________ variables and ______________ properties.

1. Private, Public
2. Public, Private
3. Protected, Public
4. Protected, Private

✅ Correct Answer: 1

The behavior are represented by _______

1. Methods
2. Attributes
3. Values
4. Numbers

✅ Correct Answer: 1

After defining a class you can instantiate one or more _____

1. Objects
2. Classes
3. Attributes
4. Methods

✅ Correct Answer: 1

The computer creates the object when it processes the statement containing ____________ keyword.

1. Class
2. Object
3. New
4. Private

✅ Correct Answer: 3

The class statement groups _______________ item in one unit.

1. Related
2. Different
3. Same access specifier items
4. Different access specifier items

✅ Correct Answer: 1

The name of the class file ends with ______

1. .cla
2. .class
3. .cla
4. .vb

✅ Correct Answer: 2

A constructor is a ______

1. A function procedure
2. A sub procedure
3. Either a function procedure or a sub procedure
4. A property procedure

✅ Correct Answer: 3

Which of the following statements is false?

1. A class can have only one constructor
2. A class can have multiple constructors
3. An object created from a class is referred to as instance of the class
4. An instance of a class is considered an object

✅ Correct Answer: 1