Computer Questions for practice-NEB-Computer

1. What do you mean by network topology? Explain star topology with a diagram.
2. What is a computer network? Compare LAN with WAN.
3. What do you know about functions in JavaScript? WAP to find the biggest number among three given numbers in JS by using function.
4. Explain server side scripting. WAP the PHP code to accept the values passed by form that contains username, password, age, gender and dob.
5. Differentiate between DBA and Data Analyst.
6. What do you understand by transmission media? Explain any 3 types of wired transmission media in brief with diagram.
7. Explain Distributed Database System? Differentiate between Centralized and Distributed Database.
8. WAP to enter elements for two 2x2 matrix M and N and display the sum of the matrices. WAP to display even numbers using both while and do while loops.
9. Differentiate between peer to peer network architecture and client server network architecture.
10. Differentiate ‘simplex’ and ‘full duplex’ communication modes with diagrams.
11. What do you know about events in JavaScript? WAP to find the simple interest of given Principal, Time and Rate of interest.
12. Explain the importance of server side scripting. WAP the PHP code to connect the database name "abc".
13. Differentiate between centralize and distributed databases system.
14. Explain all the components of the communication system with the necessary
15. diagram highlighting its components
16. Who is a database administrator? Explain the major responsibilities of a Database Administrator. Explain how he is different from a database analyst.
17. WAP to enter elements for two 2x2 matrix P and Q and display the sum of the matrices. WAP to display odd numbers using both while and do while loops.
18. Explain recursive function. WAP to display Fibonacci series up to 10th term by using recursive function..
19. Explain the Relational Data model with example.
20. Write SQL DDL commands to execute the following task with reference to the schema given below:
            student_info (regno as integer, name as character (25),
            class integer, gender character (1), address character (5).
21. Define a syntax for database connectivity.
22. Write a server side scripting code to insert data into the table student having fields (first name, last name, mark and email:) Assume that server name="localhost", username="root", password="" database name="student DB".
23. Write a JavaScript code to calculate the factorial of a given number.