CBSE Class 12 Informatics Practices Sample Paper 2018 (4). It’s always recommended to practice as many sample papers as possible before the examinations. Students can download the sample papers and also question papers of previous years to practice and score better marks in examinations. Refer to other links too for more sample papers.
Answer the questions after carefully reading the text.
I. a)A school with 25 stand-alone computers is considering networking them together and adding a server. State 2 advantages of doing this.
b)Distinguish between LAN and MAN.
c) What is Eavesdropping?
d) Define 'Domain Name Resolution '.
e) Name two threats to security in a network. What is the role of Firewall in Network security?
f) Write two advantages each of Radio wave and Microwave.
g) Write notes on i) Gateway ii) Repeater
h) What is Ogg Vorbis?
i) Distinguish between Proprietary Software and Open Source
Software with reference to customisability of the software.
j) Name any two Indian scripts included in Unicode.
k) Write notes on i) Linux ii) Mozilla 2
1) What is ODF? 1
II. a) Write a function in Java that takes an integer number(two digits or 2
more) as parameter and returns the reversed number.
b) The following code has some error(s). Rewrite the correct code 2 underlining all the corrections made.
int i ; j = 5 ;
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