623 + Mcqs in C#.Net McqOptions

1.	Which of the following accesss modifier allows you to pass an arbitrary number of arguments to the procedure?
A.	Overridable
B.	Overrides
C.	ParamArray
D.	Partial
Answer» D. Partial

Discussion

2.	Which of the following is/are the public methods of TextBox objects.i) Clear ii) Paste iii) LoadFile iv) Paste
A.	i, ii and iii only
B.	ii, iii and iv only
C.	i, ii and iv only
D.	All i, ii, iii and iv
Answer» D. All i, ii, iii and iv

Discussion

3.	Which of the following statement declares the operator symbol, operands, and code that define an operator procedure on a class or structure?
A.	Sub
B.	Declare
C.	Operator
D.	Property
Answer» D. Property

Discussion

4.	The _________________ enable us to pass data between a program and a class.
A.	Properties
B.	Procedures
C.	Variables
D.	Functions
Answer» B. Procedures

Discussion

5.	Which of the following accesss modifier specifies that a declared programming element redeclares and hides an identically named element, or set of overloaded elements, in a base class?
A.	Shadows
B.	Shared
C.	Static
D.	Unicode
Answer» B. Shared

Discussion

6.	………………. namespace in vb.net provides an interface to many of the protocols used on the internet.
A.	System
B.	System.collections
C.	System.NET
D.	System.Reflection
Answer» D. System.Reflection

Discussion

7.	Which of the following Collection class of VB.NET represents a first-in, first out collection of object?
A.	Queue
B.	BitArray
C.	SortedList
D.	Stack
Answer» B. BitArray

Discussion

8.	Which of the following statement declares an enumeration and defines the values of its members?
A.	Dim
B.	Const
C.	Enum
D.	Class
Answer» D. Class

Discussion

9.	Windows forms public object property, …………….. gets or sets the bounding rectangle for the form.
A.	Clientsize
B.	Size
C.	DesktopBounds
D.	Bounds
Answer» E.

Discussion

10.	Type casting in VB.Net is implemented by means of ____________ statement.
A.	Type()
B.	TypeDef()
C.	Btype()
D.	Ctype()
Answer» E.

Discussion

11.	Which of the following converts the expression to Object data type in VB.NET?
A.	CSng(expression)
B.	CShort(expression)
C.	CObj(expression)
D.	CSByte(expression)
Answer» D. CSByte(expression)

Discussion

12.	Which of the following is a true about Object in VB.NET?
A.	Object variable size is 4 bytes on 32-bit platform
B.	Object variable size is 8 bytes on 64-bit platform
C.	Any type can be stored in a variable of type Object
D.	All of the above
Answer» E.

Discussion

13.	………………… is a signed count of the number of rotation of the mouse wheel.
A.	Alfa
B.	Delta
C.	Wheel rotation
D.	Rotation count
Answer» C. Wheel rotation

Discussion

14.	The keyword ……………………, gives variables protected access, which means they are accessible only from within their own class.
A.	Protected
B.	Friend
C.	Protected Friend
D.	Private
Answer» B. Friend

Discussion

15.	Which of the following keyword of VB.NET is used to throw an exception when a problem shows up?
A.	Try
B.	Catch
C.	Finally
D.	Throw
Answer» E.

Discussion

16.	Which of the following block of VB.NET is used to execute a given set of statements, whether an exception is thrown or not thrown?
A.	Try
B.	Catch
C.	Finally
D.	Throw
Answer» D. Throw

Discussion

17.	______________ can be accessed from all types within the assembly, but not from outside the assembly.
A.	Public
B.	Private
C.	Friend
D.	Protected
Answer» D. Protected

Discussion

18.	Form’s ………………. property is used to specify t he initial position on the screen.
A.	InitialPosition
B.	StartPosition
C.	StartScreen
D.	InitialScreen
Answer» C. StartScreen

Discussion

19.	Which of the following is NOT the MessageBoxButtons enumeration value.
A.	Ok
B.	OkCancel
C.	None
D.	YesNo
Answer» D. YesNo

Discussion

20.	Using a ________ variable does not enable us to create read-only properties that are often required by a class.
A.	private
B.	public
C.	friend
D.	protected
Answer» C. friend

Discussion

21.	Which of the following is NOT the public events of TextBox objects.
A.	Autosize changed
B.	Readonly Changed
C.	Click
D.	Link Clicked
Answer» E.

Discussion

22.	The ______________________ group classes according to their common services.
A.	Namespaces
B.	inheritance
C.	programs
D.	objects
Answer» B. inheritance

Discussion

23.	……………. function in vb.net converts string to number data type.
A.	Chr
B.	Val
C.	Asc
D.	Str
Answer» C. Asc

Discussion

24.	Which of the following Collection class of VB.NET represents an array of the binary representation using the values 1 and 0?
A.	Queue
B.	BitArray
C.	SortedList
D.	Stack
Answer» C. SortedList

Discussion

25.	Which of the following statement declares the name of a class and introduces the definition of the variables, properties, events, and procedures that the class comprises?
A.	Dim
B.	Const
C.	Enum
D.	Class
Answer» E.

Discussion

26.	Which of the following property of Array class in VB.NET checks whether the Array is readonly?
A.	IsFixedSize
B.	IsReadOnly
C.	Length
D.	None of the above
Answer» C. Length

Discussion

27.	Which of the following directive is used for indicating a mapping between specific lines of source code and text external to the source?
A.	#Const
B.	#ExternalSource
C.	#If...Then...#Else
D.	#Region
Answer» C. #If...Then...#Else

Discussion

28.	Which of the following directive conditionally compiles selected blocks of Visual Basic code?
A.	#Const
B.	#ExternalSourc
C.	#If...Then...#Else
D.	#Region
Answer» D. #Region

Discussion

29.	The …………….. variable is not associated with a specific instance of a class or structure.
A.	Protected
B.	Shared
C.	Shadows
D.	Friend
Answer» C. Shadows

Discussion

30.	……………. method finds the location of the specified screen point to client co-ordinates.
A.	PointClient
B.	GetClient
C.	PointToClient
D.	FocusClient
Answer» D. FocusClient

Discussion

31.	Each hyperlink is a object of the ………………. class and is stored in a collection called links.
A.	HyperLink.Link
B.	LinkLabel.Link
C.	Link.LinkLabel
D.	Link.HyperLink
Answer» C. Link.LinkLabel

Discussion

32.	Which of the following Collection class of VB.NET represents ordered collection of an object that can be indexed individually?
A.	ArrayList
B.	Hashtable
C.	SortedList
D.	Stack
Answer» B. Hashtable

Discussion

33.	…………….. is a string expression displayed as the message in the dialog box.
A.	Prompt
B.	Message
C.	Expression
D.	Dialog
Answer» B. Message

Discussion

34.	Which of the following converts the expression to Char data type in VB.NET?
A.	CBool(expression)
B.	CByte(expression)
C.	CChar(expression)
D.	CDate(expression)
Answer» D. CDate(expression)

Discussion

35.	…………….. control is generally used for editable text although it can also made read only.
A.	TextBoxControl
B.	RichTextBox
C.	TextBoxBase
D.	TextBox
Answer» E.

Discussion

36.	Specialized classes include the stack class, a last-in first-out structure, the queue class, first-in, first-out structure in the …………………… namespace.
A.	System
B.	System.collections
C.	System.NET
D.	System.Reflection
Answer» C. System.NET

Discussion

37.	Which of the following property of Array class in VB.NET checks whether the Array has a fixed size?
A.	IsFixedSize
B.	IsStatic
C.	Length
D.	None of the above
Answer» B. IsStatic

Discussion

38.	The _______________ class provides static methods to start, stop, or filter Windows messages in an application.
A.	Forms
B.	Control
C.	Windows
D.	Application
Answer» E.

Discussion

39.	………………….. allow custom items of information about a program element to be stored with an assembly’s metadata.
A.	Attributes
B.	Structures
C.	Exception
D.	Data type
Answer» B. Structures

Discussion

40.	The ___________is a systematic class framework used for the development of system tools and utilities.
A.	.Net tools
B.	Visual Basic 6
C.	Visual Basic 2005
D.	.Net Framework Class Library (FCL)
Answer» E.

Discussion

41.	Which of the following is/are the public properties of LinkLabel objects.i) ActiveLinkColor ii) LinkSize iii) LinkBehavior iv) Links
A.	i, ii and iii only
B.	i, iii and iv only
C.	i, ii and iv only
D.	All i, ii, iii and iv
Answer» C. i, ii and iv only

Discussion

42.	The ___________________________________ does not describe inherited member functions, inherited operators, and overridden virtual member functions.
A.	Library
B.	Objects
C.	Classes
D.	Class Library Reference
Answer» E.

Discussion

43.	Which of the following accesss modifier specifies that Visual Basic should marshal all strings to Unicode values regardless of the name of the external procedure being declared?
A.	Shadows
B.	Shared
C.	Static
D.	Unicode
Answer» E.

Discussion

44.	…………………. are virtual base classes; that is they consist of members; methods, properties and events that have no implementations.
A.	Enumerations
B.	Interfaces
C.	Delegates
D.	Structures
Answer» C. Delegates

Discussion

45.	Which of the following accesss modifier specifies that one or more declared member variables refer to an instance of a class that can raise events?
A.	Widening
B.	WithEvents
C.	WriteOnly
D.	ReadOnly
Answer» C. WriteOnly

Discussion

46.	………………. method converts the value of the instance to a double representing the OLE Automation date.
A.	Date CONV
B.	TO OA Date
C.	OLE Date
D.	Auto Date
Answer» C. OLE Date

Discussion

47.	Which of the following string handling functions and methods are used to compare two strings.i) StrComp ii) String.Compare iii) String.Equals iv) String.CompareTo
A.	i, ii and iii only
B.	ii, iii and iv only
C.	i, iii and iv only
D.	All i, ii, iii and iv
Answer» E.

Discussion

48.	A ___________ performs invisible tasks even if you write no code.
A.	destructor
B.	constructor
C.	function
D.	private method
Answer» C. function

Discussion

49.	……………. event occurs when a key is pressed while the form has the focus.
A.	Keydown
B.	Keypress
C.	Keyup
D.	KeyEnter
Answer» C. Keyup

Discussion

50.	Which of the following accesss modifier specifies that a property can be written but not read?
A.	Widening
B.	WithEvents
C.	WriteOnly
D.	ReadOnly
Answer» D. ReadOnly

Discussion

Explore topic-wise MCQs in Testing Subject.

Which of the following accesss modifier allows you to pass an arbitrary number of arguments to the procedure?

Which of the following is/are the public methods of TextBox objects.i) Clear ii) Paste iii) LoadFile iv) Paste

Which of the following statement declares the operator symbol, operands, and code that define an operator procedure on a class or structure?

The _________________ enable us to pass data between a program and a class.

Which of the following accesss modifier specifies that a declared programming element redeclares and hides an identically named element, or set of overloaded elements, in a base class?

………………. namespace in vb.net provides an interface to many of the protocols used on the internet.

Which of the following Collection class of VB.NET represents a first-in, first out collection of object?

Which of the following statement declares an enumeration and defines the values of its members?

Windows forms public object property, …………….. gets or sets the bounding rectangle for the form.

Type casting in VB.Net is implemented by means of ____________ statement.

Which of the following converts the expression to Object data type in VB.NET?

Which of the following is a true about Object in VB.NET?

………………… is a signed count of the number of rotation of the mouse wheel.

The keyword ……………………, gives variables protected access, which means they are accessible only from within their own class.

Which of the following keyword of VB.NET is used to throw an exception when a problem shows up?

Which of the following block of VB.NET is used to execute a given set of statements, whether an exception is thrown or not thrown?

______________ can be accessed from all types within the assembly, but not from outside the assembly.

Form’s ………………. property is used to specify t he initial position on the screen.

Which of the following is NOT the MessageBoxButtons enumeration value.

Using a ________ variable does not enable us to create read-only properties that are often required by a class.

Which of the following is NOT the public events of TextBox objects.

The ______________________ group classes according to their common services.

……………. function in vb.net converts string to number data type.

Which of the following Collection class of VB.NET represents an array of the binary representation using the values 1 and 0?

Which of the following statement declares the name of a class and introduces the definition of the variables, properties, events, and procedures that the class comprises?

Which of the following property of Array class in VB.NET checks whether the Array is readonly?

Which of the following directive is used for indicating a mapping between specific lines of source code and text external to the source?

Which of the following directive conditionally compiles selected blocks of Visual Basic code?

The …………….. variable is not associated with a specific instance of a class or structure.

……………. method finds the location of the specified screen point to client co-ordinates.

Each hyperlink is a object of the ………………. class and is stored in a collection called links.

Which of the following Collection class of VB.NET represents ordered collection of an object that can be indexed individually?

…………….. is a string expression displayed as the message in the dialog box.

Which of the following converts the expression to Char data type in VB.NET?

…………….. control is generally used for editable text although it can also made read only.

Specialized classes include the stack class, a last-in first-out structure, the queue class, first-in, first-out structure in the …………………… namespace.

Which of the following property of Array class in VB.NET checks whether the Array has a fixed size?

The _______________ class provides static methods to start, stop, or filter Windows messages in an application.

………………….. allow custom items of information about a program element to be stored with an assembly’s metadata.

The ___________is a systematic class framework used for the development of system tools and utilities.

Which of the following is/are the public properties of LinkLabel objects.i) ActiveLinkColor ii) LinkSize iii) LinkBehavior iv) Links

The ___________________________________ does not describe inherited member functions, inherited operators, and overridden virtual member functions.

Which of the following accesss modifier specifies that Visual Basic should marshal all strings to Unicode values regardless of the name of the external procedure being declared?

…………………. are virtual base classes; that is they consist of members; methods, properties and events that have no implementations.

Which of the following accesss modifier specifies that one or more declared member variables refer to an instance of a class that can raise events?

………………. method converts the value of the instance to a double representing the OLE Automation date.

Which of the following string handling functions and methods are used to compare two strings.i) StrComp ii) String.Compare iii) String.Equals iv) String.CompareTo

A ___________ performs invisible tasks even if you write no code.

……………. event occurs when a key is pressed while the form has the focus.

Which of the following accesss modifier specifies that a property can be written but not read?