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When an abstract method is redefined by a derived class it uses the

A. 

overload modifier

B. 

override modifier

C. 

base modifier

D. 

virtual modifier

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A Thread is

A. 

an object that allows computer multitasking

B. 

an object that wraps itself with other threads

C. 

a deprecated object that is no longer used

D. 

a part of an OS

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Are following: myVariable MyVariable MYVARIABLE

A. 

Same variable names

B. 

Valid variable names

C. 

Different variable names

D. 

Both c and d

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Method called by clients of a class to explicitly release any resources like network, connection and open files when object is no longer required is called

A. 

finalize()

B. 

end()

C. 

dispose()

D. 

close()

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Correct implementation of an interface in C#.NET is done by using

A. 

interface

B. 

DataAdapter

C. 

Intf

D. 

All of the above

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Which of following are benefits of metadata in .NET

A. 

Self-describing files

B. 

Language interoperability and easier component-based design

C. 

a and b

D. 

data about classes

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Garbage collection is one of features of which of following languages

A. 

C++

B. 

Java

C. 

.NET

D. 

COBOL

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Type that converts to a small floating point number is

A. 

TOInt64

B. 

ToByte

C. 

ToSingle

D. 

ToInt32

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Operator used to free memory when memory is allocated

A. 

new

B. 

free

C. 

delete

D. 

reserve

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The correct option among following indexers which correctly allows to index in same way as an array is

A. 

class

B. 

interface

C. 

function

D. 

property

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A C# destructor does not satisfies which of following

A. 

A class can have one destructor only

B. 

Destructors cannot be inherited or overloaded

C. 

Destructors can have modifiers or parameters

D. 

Destructors cannot have modifiers or parameters

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Choose correct statement

A. 

Information is never lost during narrowing conversions.

B. 

The CInteger() function can be used to convert a Single to an Integer.

C. 

Widening conversions take place automatically.

D. 

Assigning an Integer to an Object type is known as Unboxing.

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Branching works on comparison test based on different values based on

A. 

goto statement

B. 

boolean logic

C. 

branching does not do any comparisons

D. 

logical operators

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Destruction of an object

A. 

cleans up memory

B. 

deletes the class

C. 

un initializes the object

D. 

Both b and c

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Data type used to hold result of a comparison is

A. 

string

B. 

double

C. 

bool

D. 

char

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