Online Examination System 2012
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- 1.Consider a linked list implemented of a queue with two pointers: front and rear. What is the time needed to insert element in a queue of length of n?
- A.
O(log2n)
- B.
O(n).
- C.
O(n log2n).
- 2.Time taken for addition of element in queue is
- A.
None of these
- B.
O(n)
- C.
O(n)
- 3.The statement that tests to see if sum is equal to 10 and total is less than 20, and if so, prints the text string "incorrect.", is
- A.
if( (sum = 10) && (total < 20) )printf(
- B.
if( (sum == 10) && (total < 20) )printf(
- C.
if( (sum == 10) ¦¦ (total < 20) )printf(
- 4.Consider a linked list of n elements. What is the time taken to insert an element pointer ?
- A.
O(n log2n)
- B.
O(nlogn)
- C.
N log n
- 5.Which is a logical abstract base class for a class called "footballPlayer"?
- A.
Tenis
- B.
Team.
- C.
Cricket
- 6.Can two classes contain member functions with the same name?
- A.
No
- B.
Sometimes
- C.
Yes, but only if the two classes have the same name.
- 7.A derived class is
- A.
Inherits data members and member functions from base class.
- B.
Object can access protected members with the dot operator.
- C.
Inherits data members and member functions from base class as well as Inherits constructors and destructor.
- 8._________is a relationship
- A.
Polymorphism
- B.
Inheritance
- C.
OverLoading
- 9.Which is a logical abstract base class for a class called "CricketPlayer"?
- A.
Team
- B.
Sports
- C.
Cricket
- 10.Maintaining the state of an object is called____.
- A.
Serialization
- B.
Persistence
- C.
Marshalling
- 11.______ means that both the data and the methods which may access it are defined together in the same unit.
- A.
Data hiding.
- B.
Encapsulation
- C.
Data Binding
- 12.If a catch statement is written to catch exception objects of a base class type, it can also catch all _____ derived from that base class
- A.
Object
- B.
Class
- C.
Exceptions for objects
- 13.Association in UML can be represented by:
- A.
A plane line with no shape on either end.
- B.
Diamond shape between classes.
- C.
A line with an arrow-head pointing in direction of parent or superclass.
- 14.Suppose that the Test class does not have an overloaded assignment operator. What happens when an assignment a=b; is given for two Test objects a and b?
- A.
The automatic assignment operator is used
- B.
The copy constructor is used
- C.
Run-time error
- 15.Peer-to-peer relationship is a type of _________.
- A.
1) Association
- B.
2) Aggregation
- C.
3) Link
- 16.An application uses encapsulation to achieve ________
- A.
Information hiding
- B.
Make implementation independent
- C.
Minimizing interdependencies among modules
- 17.A class is_____
- A.
Data Type
- B.
Abstract Type
- C.
User Defined Type
- 18.Can two classes contain member functions with the same name?
- A.
No.
- B.
Yes, but only if the main program does not declare both kinds.
- C.
Yes, this is always allowed.
- 19.In object orientated programming a class of objects can _____________ properties from another class of objects
- A.
Utilize
- B.
Inherit
- C.
Adapt
- 20.Reusability can be achieved through.
- A.
Inheritance.
- B.
Composition.
- C.
Association.
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