CBSE Class 12 Informatics Practices Question Paper 2014 - Set 1

CBSE Class 12 Informatics Practices Question Paper 2014 - Set 1 CBSE,CCE and NCERT students can refer to the attached file. All educational material on the website has been prepared by the best teachers having more than 20 years of teaching experience in various schools. The study material available on our website for all CBSE classes and subjects have been prepared by teachers from all over the country. All study material has been carefully designed keeping into mind the latest CBSE examination trends.  


Instructions : (i) All questions are compulsory.

(ii) Answer the questions afier carefully reading the text.

1. (a) Skte t'wo advantages of networking computers instead of having standalone computers.

   (b) What was the objective behind developing UNICODE ?

   (c) Expand the following terms :

   (d) wAN

(ii) oss

(d) What is the purpose of switch in a network ?

(e) IdentiS the following devices :

(i) An intelligent device that connects several nodes to form a network and redirects the received information only to intended node(s).

(ii) A device that regenerates (amplifies) the received signal and re-transmits it to its destination.

(0 What is the name of the network topology in which each hode is connected independently using a swirch ?

(g) What is meant by "Denial of Service" with reference to Internet service ?

(a) Distinguish between '/' and ,Vo, operutors.

O) What is a button group ? Which control is generally used with a button group ?

(c) Which property of ListBox is used to display values in the list ?

(d) Which tags of HTML are used to

(i) Change the font in a page

(ii) Add a row in a table ?

2.(a) Write two examples of DBMS sofhvare.

(b) What happens when Autocommit is set on ?

(c) What is meant by NULL value in MySeL ?

(d) Table lClub' has 4 rows and 3 columns. Table .Member, has 2 rows and 5 columns. What will be the cardinality of the Cartesian product of them ?

(e) A numeric, data field CHANGER contains 25565.77A5. Write a commands round offCHANGER to

(i) up to 2 decimal places (i.e., expected result 25565.7g) (ir) whole number (i.e., expected result 25566) (D Name methods used to perform the following in NetBeans : (, To set component visible at run time

(ii) To retum the index value of the selected item from the list (g) Gopi Krishna is using a table Employee. It has the following columns : Code, NaIIE, Salary, Deptcode He wants to display maximum salary departmentwise. He wrote the following command SFT,ETCT Deptcode, lrtax (Salary) FRO|"I RrploLee; But he did not get the desired result. Rewrite the above query output.

Please refer to the link below for CBSE Class 12 Informatics Practices Question Paper 2014 - Set 1



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