CBSE Class 12 Informatics Practices Sample Paper 2017 (3)

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CBSE Class 12 Informatics Practices Sample Paper 2017 (3). It’s always recommended to practice as many sample papers as possible before the examinations. Students can download the sample papers and also question papers of previous years to practice and score better marks in examinations. Refer to other links too for more sample papers.

Q.1 A -Mr. Sinha is interested in transferring songs from his mobile to Mr. Shyam’s mobile.

Suggest two Suitable wireless options he may use for doing the same.(1)

B- What are the following software’s used for?

(i) PHP

(ii)MySQL(1)

C- Arrange the following communication channels in the ascending order of their data transfer range.

(i) Optical Fiber (ii) Coaxial cable (iii) UTP Cable (1)

D- Write any four scripts included in UNICODE(1)

E-Identify the type of Topology from the following:

(i) If each node is connected with the help of independent cable with the help of a central switching (communication controller)

(ii) If each node is connected with the help of a single co-axial cable.(2)

F- Distinguish between Open Source software and Proprietary software with reference customizability of the software.(2)

G-Samhita says that the following numbers indicate an address :

208.77.188.166

What is the above address called? To which object/device is it assigned?(2)

Please click the link below to download CBSE Class 12 Informatics Practices Sample Paper 2017 (3).

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