CBSE Class 12 Informatics Practice Question Paper 2015 Outside Delhi with Answers

CBSE Class 12 Informatics Practice Question Paper 2015 Outside Delhi with Answers. Students can download the last year question papers using the link below. Free download of examination question papers with solutions. Last 10 year question papers should be practised to get better marks in examinations.

1. (a) A school with 20 stand-alone computers is considering networking them together and adding a server.State 2 advantages of doing this.

(b) Distinguish between LAN and WAN.

 (c) What is the purpose of Modem in network ?

(d) Write one example of IP Address.

 (e) Define ‘Domain Name Resolution’.

(f) Name two threats to security in a network. What is the role of Firewall in Network security ?

(g) Write one advantage and one disadvantage of Open Source software over Proprietary software.

2. (a) Write the value of variable ‘c’ after execution of the following code :

     int d;

     int c;

     d=7;

     c = (5*++d)%3;

(b) What is the difference between jTextField and jPasswordfield components ?

(c) In a SWITCH statement, what is the purpose of ‘default’ section ?

(d) After typing the HTML code using a text editor, how do you see how it would look as a web page ?

(e) Write Java code to assign the value 500 to variable x. Increase the value of x by 50 and store it in variable y. 

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