Question Papers For Board Examinations 2019

Class – XII

Subject – Informatics Practices

Subject : Informatics Practices

Class : XII

Year : 2019

General Instructions :

(i) All questions are compulsory.
(ii) Answer the questions after carefully reading the text.
(iii) Q. 2 and Q.4 have to be answered with respect to Java Language.
(iv) Q.3, Q.5 and Q.6 have to be answered with respect to MySQL.

Questions :

1. (a) Write the functions of the following pieces of network hardware : 2
(i) Modem
(ii) Switch

(b) Write two ways used to make sure that the data is secure and is available only to the intended and authorized persons in a network. 2
(c) Expand TCP/IP. Write the purpose of TCP/IP in communication of data on a network. 2

(d) Expand the following terms : 2
(i) MAC Address
(ii) ODF

(e) Explain in brief any one freedom offered by Open Source Software.Write one example for each of the following : 2
(i) An Open Source Operating System
(ii) An Open Source Office Suite

(E-Book) CBSE Board Class 12th Papers PDF : Informatics Practice

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Courtesy: CBSE