1 . What is Clock Speed of CPU? explain the fetch cycle of CPU with suitable diagram.

2 . Describe the criteria for evaluation when purchasing a new laptop.

3 . What is Open Source operating System? Explain major functions of Operating System.

4 . What is a geographic information system? Describe its elements.

5 . Write DOS commands with example to perform following tasks. a) Retrieve the IP address of a specific website. b) Move the files from one location to another. c) Delete existing non-empty directory. d) Search for a specific file or directory? e) Check the available disk space on a drive?

6 . What is DBMS? Explain the advantages of DBMS over flat-file system.

7 . Compare and contrast between peer to peer and Client/Server network architecture.

8 . Draw a block diagram of a digital computer and explain each unit in detail.

9 . a) Explain memory hierarchy. [5] b) What is layer in Photoshop? What are the main features and tools available in Photoshop? [5]

10 . Utility software helps to maintain proper and smooth functioning of a computer system. Justify it with proper examples.

11 . What is primary memory? Differentiate between static and dynamic RAM.

12 . Define CLI and GUI based operating systems. Also explain type of operating system.

13 . What is internet protocol? Explain two different e-mail protocols.

14 . Why do we need to use DBMS? How does relational model represent both data and relationship among those data? Explain.

15 . What is DNS? Differentiate between intranet and extranet.

16 . What is e-commerce? Explain the benefits of e-commerce.

17 . a) What are the uses of word processing software? List and explain the major controls available in Layout tab of MS-word. b) Write DOS commands for the following tasks:

18 . a) What is computer virus? List the symptoms of a computer virus in a computer system. Also explain the prevention techniques. b) What is the use of mask in Photoshop? Explain different controls available in Photoshop for editing an image.

19 . Why do we need to use protocols while transmitting data on the network? Will it be secure to transfer data through the network? Explain OSI model in detail.

20 . Utility software helps to maintain proper and smooth functioning of a computer system. Justify it with proper examples.

21 . What is primary memory? Differentiate between static and dynamic RAM.

22 . Define CLI and GUI based operating systems. Also explain type of operating system.

23 . What is internet protocol? Explain two different e-mail protocols.

24 . Why do we need to use DBMS? How does relational model represent both data and relationship among those data? Explain.

25 . What is DNS? Differentiate between intranet and extranet.

26 . What is e-commerce? Explain the benefits of e-commerce.

27 . a) What are the uses of word processing software? List and explain the major controls available in Layout tab of MS-word. b) Write DOS commands for the following tasks: i. To create two folders Folder1 and Folder2 at the current prompt directory ii. To create files file1.txt in Folder1 and file2.txt in Folder2 directories iii. To copy the content of file1.txt to file2.txt iv. To rename the file File2.txt as CopiedFile.txt v. To locate the IP address of your network

28 . a) What is computer virus? List the symptoms of a computer virus in a computer system. Also explain the prevention techniques. b) What is the use of mask in Photoshop? Explain different controls available in Photoshop for editing an image.

29 . Why do we need to use protocols while transmitting data on the network? Will it be secure to transfer data through the network? Explain OSI model in detail.