a) What do you mean by the term computer system? Describe functions of CPU in a Computer System.
b) What are Input/output devices? In brief describe the different kinds of Input/output devices.
a) Define the term software. Distinguish between system software and application software.
b) What do you mean by the term Flowchart? Describe use of various symbols in drawing of Flowchart with the help of an illustration flowchart.
c) prepare a C program for finding out the average of four given numbers.
d) Describe use of if statement with the help of an illustration.
a) What do you mean by the term computer network? In brief describe various kinds of computer networks.
b) What do you mean by the term communication media? Describe any two kinds of communication media.
a) What do you mean by the term computer virus? Describe any two kinds of virus attacks.
b) What is the requirement of network security? Dscribe various elements of network security.