bca213 smu bca spring 2017 (jul/aug 2017 exam) IInd sem assignment

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ASSIGNMENT DRIVE - SPRING 2017

PROGRAM - Bachelor of Computer Application – BCA

SEMESTER - I

SUBJECT CODE & NAME - BCA213 – Object Oriented Programming – C++

BK ID B2114 NUMBER OF ASSIGNMENTS, CREDITS & MARKS 2, 4 Credits, 30 marks each

Assignment Set -1 Questions

Q1 Differentiate between an external variable and an automatic variable with the help of an example. 10

Answer:-

Automatic variables is default variable in C++. All the variables we have created and used in programs are automatic variables. These variables can also be declared by prefixing the keyword auto. One of important characteristics of these variables are that they are created only when the function or program block in which they are

Q2 What is “this pointer” in C++? What are the features of “this pointer”? [3+7]

Answer:-

The this pointer is used as a pointer to the class object instance by the member function. The address of the class instance is passed as an implicit parameter

Q3 Explain destructor in detail. 10

 Answer:-

Destructors are usually used to deallocate memory and do other cleanup for a class object and its class members when the object is destroyed. A destructor is

Assignment Set -2 Questions

Q1 What is Polymorphism? What are the different types of Polymorphism? 3+7

Answer:-

Polymorphism means same content but different forms. In C++, polymorphism enables the same program code calling different functions of different classes. Imagine a situation where you would like to create a class shape and derive

Q2 Discuss the following functions of file operations a) tellg() b) seekp() c) ignore() d) getline() 2.5x4

Answer:-

a) tellg()

tellg() – Returns an int type, that shows the current position of the inside-pointer. This one works only when you read a file. Example:

#include <

Q3 Explain sequence containers 10

Answer:-

STL provides a number of container types, representing objects that contain other objects. The STL contains sequence containers and

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