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Q1. (a)Write the two advantage and two disadvantages of the following topologies in network (i) Bus Topologies (ii) Star Topologies
(b)Explain in brief of networking needs and goals.
(c)Name two encodings used for Indian Language computing?
(d)Define the following terms:
(i)Hub (ii) Switch
(e) What is free software ?How is it different from Open source Software?
Q2. (a)What is the name of event listener interface for action events ?
(b)What does getpassword() on a password field return ?
(i) a string (ii) an integer (iii) a character array
(c) What is inheritance ? Name its various forms.
(d) What is a markup language?explain with an example
(e) What is MySql Client ?
(f) What is a Class and its constructor?
Q3. (a) Define the ACID Property in MySQL?
(b) Write brief notes on any four table Constraints in MySQL?
(c) Differentiate between CHAR and VARCHAR datatypes?
(d) What is the importance of primary key in a table? Explain with a suitable example?
(e) Expalint the Foreign key in table with example
Please refer to attached file for CBSE Class 12 Informatics Practices Sample Paper 2014 (11).