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CBSE XII Pre Boards 2015 : INFORMATICS PRACTICE with Answers (KV Kolkata)

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Kendriya Vidyalaya No.1 Salt Lake
Kendriya Vidyalaya (KV) No. 1, Salt Lake
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KENDRIYA VIDYALAYA SANGATHAN, KOLKATA REGION 3rd PRE BOARD, 2014-15 INFORMATICS PRACTICES Class-XII Time : 03:00 Hrs Max Marks: 70 Instructions: (i) All questions are compulsory (ii) Answer the questions after reading the question cearfully 1. (a) With what aim UNICODE was developed? . (b) Expand the following terms: 1 1 (i) FLOSS (ii)HTTPS (c)Give one example of URL and one example of domain name. 1 (d)What do you understand by Network Security ? Name one common threat to it. 1 (e) What is MAC address ? What is the difference between MAC address and an IP address ? 2 (f) Write one advantage of Star Topology over Bus Topology and one advantage of Bus Topology over Star Topology. 2 (g) Mr. Ravi is confused between Shareware and open source software. Mention at least two point of difference to help him understand the same. 2. (a) Write the statement to make jCheckBox as disabled. 2 1 (b) What is the difference between the use of jTextField and jPasswordField ? 1 (c) What is the difference between <UL> and <OL> tag of HTML 1 (d) How are tags used in XML different from tags in HTML? Write 2 points. 2 (e ) What is the difference between the <TR> and <TD> tags of HTML ? 1 (f) Write a code in java that takes two numbers as input from textfields and displays their sum. 2 (g) What will be the value of A and B after execution of the following code: 2

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Additional Info : KV Sangathan, Kolkata Region INFORMATICS PRACTICES Pre-Board Examination 2014-15 with Marking Scheme of Class XII PB-III INFORMATICS PRACTICES Question Paper
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