CBSE Class 12 Informatics Practices Sample Paper 2018 Set D

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 

1) What is ODF? 

II. a) Write a function in Java that takes an integer number(two digits or 

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 ;

i==j+7; 

Please click the link below to download CBSE Class 12 Informatics Practices Sample Paper 2018 Set D