Attempt any SIX questions. [6x5 = 30]
11. Define Computer. Explain the anatomy of digital computer with block diagram.
12. Define Operating System. Explain the functions of Operating System.
13. Define DBMS. Explain the different database models with their merits and demerits.
14. Explain the different types of LAN topologies with their advantages and disadvantages.
15. What is WWW? Differentiate between intranet, extranet and internet with example.
16.What are contemporary technologies? Explain any two contemporary technologies with roles.
17. Write the DOS commands to complete following tasks.
- Create sub directory theory and practical inside d:\exam\
- Create the file name marks.txt inside theory writing the content, "Theory marks in CFA".
- Rename the file name marks.txt with CFAmarks.txt.
- Make hidden the file CFAmarks.txt.
- Search the all files with .pdf extension.
Attempt any TWO questions. [2x10 = 20]
18. i) You are provided following data:
Bageswori Secondary School
Mark - Ledger
D E F G H I J K L M
11 Name Eng. Nep. Eco. Sociology Computer Total Percentage Result Division
12 Gautam 56 56 76 75 68
13 Saru 67 54 64 64 76
14 Binod 87 65 54 59 66
15 Ritu 45 67 56 72 85
16 Kabindra 89 34 63 59 52
19. i) Define computer peripherals. Differentiate between impact and non-impact printers. [1+4]
ii) Define Presentation. Write the features of good presentation package. 
20. Define CMYK color model. Explain the basic tools and transforms available in Photoshop.