a) Classify computers based on size and functionality. Compare supercomputers, mainframes and embedded systems.

b) Explain the architecture and working of a CPU with a labeled diagram.

a) Define an Operating System. Discuss its structure and explain the concept of a kernel.

b) What is an algorithm? Write an algorithm to find largest value from the given three numbers.

a) List and explain various operators in object oriented program.

b) Write a C++ program to swap two numbers.

a) How many types of constructors are present in C++? Explain in detail.

b) Demonstrate the working of a friend function in C++ with an example.

a) Write a program to read and print employee information using multiple inheritance.

b) Differentiate between TCP/IP and ISO-OSI reference model.

a) What is a Firewall? Illustrate the working principle of a firewall.

b) Explain the procedure involved in protecting devices from malware, virus and worms.

a) Describe the functions of a DBA in maintaining the performance, integrity and security of a database.

b) Discuss about the different cloud service delivery models.

Write a short note on any two of the following:

i) Meteorology and Climatology

ii) Object oriented features

iii) Cyberstalking

iv) Cloud infrastructure