B.TECH - Semester 3 computer programming and numerical methods Question Paper 2019 (mar)

Practice authentic previous year university questions for better exam preparation.

Sample Questions

305 : COMPUTER PROGRAMMING AND NUMERICAL METHODS (MP) Time : 3 Hours Max. Marks : 100 Answer all questions. Each question carries 4 marks.
What are the applications of 'void' data type in C++ ?
What is a reference variable ? What is its major use ?
How are data and functions organized in object oriented program ?
What are the advantages of using function prototypes in C++ ?
When will you make a function inline? Why?
Explain friend function using a suitable example.
What is a constructor ? Is it mandatory to use constructors in class ?
What is a class ? How does it accomplish data hiding ?
Write down the finite difference formula for Laplace equation. Explain the application of this equation.
What is the principle of least squares ? Answer one full question from each Module. Each full question carries 15 marks.
Describe the mechanism of accessory data members and member functions in the following cases.
Explain with an example the significance of defining a class as friend of another class.
OR
Solve by relaxation method, the Laplace equation $\frac{\partial^{2} u}{\partial x^{2}}+\frac{\partial^{2} u}{\partial y^{2}}=0$, inside the square bounded by the lines $x=0, x=4, y=0, y=4$ given that $u=x^{2} y^{2}$ on the boundary.