b. Discuss in details the architecture and functions of the Operating System (OS) of the computer system. Analyze the various categories of operating systems from 1940 till date illustrating their...

b. Discuss in details the architecture and functions of the Operating System

(OS) of the computer system. Analyze the various categories of operating

systems from 1940 till date illustrating their market shares.

c. Discuss the steps a programmer follows to analyze to solve real life problem

with coding.

d. With the aid of appropriate diagrams, discuss the types of Database models

and explain the most prevailing model. Justify which of the models would be

used to implement an enterprise-wide database system.