Question Detail

What is purpose of abstract class ?

to provide help with database connectivity.
to provide data input to other classes.
to provide security to other classes.
to provide an appropriate base class from which other classes can inherit.

Answer: Option D

Similar Questions :

1. C++ is a ?

Procedural programming language
Structural programming language
Low level language
Object oriented programming language

Answer: Option D

2. The symbol ** __ .

can be overloaded by changing its datatype.
cannot be overloaded, as on overloading its meaning shall be changed.
can be overloaded.
cannot be overloaded as it is not a C++ operator.

Answer: Option D

3. Which is more memory efficient ?

structure
union
both use same memory
depends on a programmer

Answer: Option B

4. Which of the following cannot be passed to a function ?

Array
Reference variable
Object
File

Answer: Option D

5. What is default scope for a structure ?

Private
Protected
Public
None of aobve

Answer: Option C

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