Q1. What is system software? What role does it plays in the functioning of the computer?

Q2. How are following operating system different from one another?

  1. Multi-programming OS and Multiprocessing OS.
  2. Time Sharing OS and Real Time OS.

Q3. Write a short notes on the following:
1. Word Processor,
2. Electronic Spreadsheet,
3. DBMS,
4. Graphic, Multimedia and Presentation Software,
5. DTP Software.

Q4. Discuss the role of utilities software in the contest of computer performance.

Q5. Why is disk defragmentor useful?

Q6. How is backup utility useful? Is it necessary to take backup of data?

Q7. What is a computer virus? How can it affect your computer?

Q8. Why are antivirus software considered important?