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MCQs Library
Browse subject-wise multiple choice questions, review answers quickly, and start a test from the same section.
Questions
| Code | Question | Option A | Option B | Option C | Option D | Answer |
|---|---|---|---|---|---|---|
| CS201 |
When We Do Dynamic Memory Allocation In The Constructor Of A Class Then It Is Necessary To Provide A Destructor.
|
True
|
False
|
A | ||
| CS201 |
When We Use Manipulators In Our Program Then Which Header File Should Be Included?
|
Iostream.H
|
Stdlib.H
|
Stdio.H
|
Iomanip.H
|
D |
| CS201 |
When We Write A Class Template The First Line Must Be:
|
Template < Class Class_Type>
|
Template < Class Data_Type>
|
Template < Class T > Here T Can Be Replaced With Any Name But It Is Preferable.
|
Class Class-Name()
|
C |
| CS201 |
When X = 7; Then The Expression X%= 2; Will Calculate The Value Of X As
|
1
|
3
|
7
|
2
|
A |
| CS201 |
Whenever New Operator Is Used No Number Of Bytes Or Sizeof Operator Is Required.
|
True
|
False
|
A | ||
| CS201 |
Where We Can Include A Header File In The Program?
|
Any Where
|
In Start
|
At The End
|
None Of The Given Options.
|
B |
| CS201 |
Which Looping Process Checks The Test Condition At The End Of The Loop?
|
For
|
While
|
Do While
|
No Looping Process Checks The Test Condition At The End
|
C |
| CS201 |
Which Of The Following Data Type Will Be Assumed If No Data Type Is Specified With Constant?
|
Short
|
Float
|
Int
|
Double
|
C |
| CS201 |
Which Of The Following Is A Valid Class Declaration?
|
Class A { Int X; };
|
Class B { }
|
Public Class A { }
|
Object A { Int X; };
|
A |
| CS201 |
Which Of The Following Is Correct Way To Initialize A Variable X Of Int Type With Value 10?
|
Int X ; X = 10 ;
|
Int X = 10 ;
|
Int X X = 10;
|
X = 10 ;
|
B |
| CS201 |
Which Of The Following Is The Correct C++ Syntax To Allocate Space Dynamically For An Array Of 10 Int?
|
New Int(10) ;
|
New Int[10] ;
|
Int New(10) ;
|
Int New[10];
|
B |
| CS201 |
Which Of The Following Is The Correct Statement For The Following Declaration? Const Int *Ptr.
|
Ptr Is A Constant Pointer
|
Ptr Is Constant Integer Pointer
|
Ptr Is A Constant Pointer To Int
|
Ptr Is A Pointer To Const Int
|
D |
| CS201 |
Which Of The Following Is The Correct Way To Assign An Integer Value 5 To Element Of A Matrix Say ‘M’ At Second Row And Third Column?
|
M[2][3] = 5 ; // [Row][Col]
|
M[3][2] = 5 ;
|
M[1][2] = 5 ;
|
M[2][3] = ‘5’;
|
A |
| CS201 |
Which Of The Following Is True While Overloading Operators?
|
Precedence Of An Operator Can Be Changed
|
The Parity (Number Of Operands) Can Be Changed
|
No New Operators Can Be Created
|
Associativity Of An Operator Can Be Changed
|
A |
| CS201 |
Which Of The Following Operators Can Not Be Overloaded?
|
New
|
Delete
|
+=
|
Sizeof
|
D |
| CS201 |
Which Of The Following Option Is True About New Operator To Dynamically Allocate Memory To An Object?
|
The New Operator Determines The Size Of An Object
|
Allocates Memory To Object And Returns Pointer Of Valid Type
|
Creates An Object And Calls The Constructor To Initialize The Object
|
All Of The Given Options
|
B |
| CS201 |
Which Of The Following Option Will Be True To Overload The -= Operator?
|
Minus (-) And = Operators Need To Be Overloaded
|
The -= Operator Need To Be Overloaded Explicitly
|
The - And = Operators Need To Be Overloaded Implicitly
|
Non Of Given
|
C |
| CS201 |
Which Of The Following Statement Is Best Regarding Declaration Of Friend Function?
|
Friend Function Must Be Declared After Public Keyword.
|
Friend Function Must Be Declared After Private Keyword.
|
Friend Function Must Be Declared At The Top Within Class Definition.
|
It Can Be Declared Anywhere In Class As These Are Not Affected By The Public And Private Keywords.
|
D |
| CS201 |
Which One Of The Following Is The Declaration Of Overloaded Pre-Increment Operator Implemented As Member Function?
|
Class-Name Operator +() ;
|
Class-Name Operator +(Int) ;
|
Class-Name Operator ++() ;
|
Class-Name Operator ++(Int) ;
|
C |
| CS201 |
Which One Of The Following Operators Is A Unary Operator?
|
Or ( || )
|
And ( &&)
|
Xor ( ^ )
|
Complement Operator ( ~ )
|
D |