Which of the following keywords is used to control access to a class member?

 

• Default
• Break
• Protected
• Asm

What is the difference between unsigned int length() and unsigned int size()?

• Returns a different value
• They are same
• Both a & b
• None of the mentioned

How does the limits.h header file can be represented in C++?

• limits
• limit
• climits
• None of the mentioned

What we can’t do on a void pointer?

• pointer arithemetic
• pointer functions
• both of the mentioned
• none of the mentioned

What does a escape code represent?

• alert
• backslash
• tab
• form feed

Which will be used with physical devices to interact from C++ program?

• Programs
• Library
• Streams
• None of the mentioned

What is the size of wchar_t in C++?

• 2 or 4
• based on the number of bits in the system
• 2
• 4

A pointer to the base class can hold address of 

• only base class object.
• only derived class object.
• base class object as well as derived class object.
• None of the above.

Which classes are called as mixin?

• Represent a secondary design
• Classes express functionality which represent responsibilities.
• Both a & b
• None of the mentioned

To perform stream I/O with disk files in C++, you should 

• open and close files as in procedural languages.
• use classes derived from ios.
• use C language library functions to read and write data.
• include the IOSTREAM.H header file.

How many constructors can a class have? 

• 0
• 1
• 2
• Any Number

How many streams are automatically created when executing a program?

• 1
• 2
• 3
• 4

Void pointer can point to which type of objects?

• int
• float
• double
• all of the mentioned

this pointer 

• implicitly points to an object.
• can be explicitly used in a class.
• can be used to return an object.
• All of the above.

What does the checked iterator allow you to find?

• Warnings
• Compile time error
• Run time error
• None of the mentioned