Short Answer Class 9

 

Explore yourself:

1. List any four characteristics of computer.

2. Draw a block diagram of computer system.

3. Differentiate between input unit and output unit of computer system.

4. Explain working principle of computer.

5.Differentiate between analog and digital computer.

6.What is cloud computing? List its two advantages.

7.Define URL with one example.

8.Write HTML code to display:

(a+b)⁴ = a⁴+4a³b+6a²b²+4ab³+b⁴

Zn+H₂So₄→ZnSo₄ +H₂↑

9.Write HTML code to display:

Merged Columns
D1	D3
D2	D4

10. Differentiate between primary and secondary storage.

11. Differentiate between raster image and vector image.

12.What are the stages of PDLC?

13.Define tailored software with examples.

14.What do you mean by web browser? Also list two examples.

15.Define HTTP.

16.Write HTML code to display:

(a+b)³ = a³+3a²b+3ab²+b³

2Na+H₂So₄→Na₂ So₄ +H₂↑

17. Write HTML code to display:

Semi Finalist
Real Madrid	Juventus
Barcelona	Bayern Munchen

18. Differentiate between compiler and interpreter.

19. Differentiate between GUI and CUI.

20. List any four graphics file formats.

21. Differentiate between raster and vector image.

22.List any two input and two output devices.

23.Define operating system with two examples.

24. Differentiate between RAM and ROM.

25.What do you mean by search engine? Give two examples.

26. Define the terms upload and download.

27.Define the role of CSS in web design.

28. Write HTML code to display:

     (a+b)³ = a³+a²b+3ab²⁺b³

2K+HNO3→2KNO3 +H₂↑

29. Write HTML code to display:

Food
Momo	Pizza
Burger	Sandwich

 30.List any four limitations of computer.

 31.List four optical scanners.

32. Define URL.

33. Write HTML code to display"

Friendly Game

 

Country	Continent
Nepal	Asia
Scotland	Europe