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Q:

What does inheriatance allows you to do?

A) create a class B) access methods
C) create a hierarchy of classes D) None of the mentioned
 
Answer & Explanation Answer: C) create a hierarchy of classes

Explanation:
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Q:

How many ways of reusing are there in class hierarchy?

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: B) 2

Explanation:

Class hierarchies promote reuse in two ways. They are code sharing and interface sharing.

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Q:

Which of the following can derived class inherit?

A) members B) functions
C) both a & b D) None of the above
 
Answer & Explanation Answer: C) both a & b

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Q:

What is the user-defined header file extension in c++?

A) cpp B) h
C) hf D) none of these
 
Answer & Explanation Answer: B) h

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Q:

What is the general syntax for accessing the namespace variable?

A) namespaceid::operator B) namespace,operator
C) namespace#operator D) none of the mentioned
 
Answer & Explanation Answer: A) namespaceid::operator

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Q:

What is the use of Namespace?

A) To encapsulate the data B) To structure a program into logical units.
C) Both a and b D) none of these
 
Answer & Explanation Answer: B) To structure a program into logical units.

Explanation:

The main aim of the namespace is to understand the logical units of the program and to make the program so robust.

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Q:

How many types of modularization are there in c++?

A) 4 B) 3
C) 1 D) none of these
 
Answer & Explanation Answer: D) none of these

Explanation:

There are two types of modular programming.They are interface and implementation.

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Q:

How many types of macros are there in c++?

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: B) 2

Explanation:

There are two types of macros. They are object-like and function-like.

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