Online Examination System 2012

20 Questions | By Farhan786 | Last updated: Mar 21, 2022 | Total Attempts: 267

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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.