CBSE Class 12 Informatics Practices Sample Paper SA2 2015 (1)

Scroll down for PDF

CBSE Class 12 Informatics Practices Sample Paper SA2 2015 (1).Sample Papers are the very important for every student. The sample papers should be practiced to gain extra marks in examinations. The sample papers have been prepared based on summative assessment1 and summative assessment 2 pattern. The sample papers have been prepared based on pattern of last year examinations and as per latest changes in the syllabus. Students, teachers and parents can download all CBSE educational material and very well prepared worksheets from this website.  All CBSE educational material is developed by our panel of teachers, have also been submitted by CBSE teachers and students. 

1.a. Mrs Ruchi is planning to connect all the 15 computers in her office to make a LAN. Suggest an intelligent network device to connect all the nodes

answer :Switch

b. Mrs reshma wants to send/receive e-mail over TCP/IP networks(internet).Which protocol she can use for this purpose?

answer :SMTP(Simple Mail Transfer Protocol)

c.An Internet Service Provider has a network within a city area. Which type of network is it?

answer :MAN (Metropolitan Area Network)

 d.Which transmission technology can we use for connecting two countries over an ocean?

answer :Satellite

e.What is the difference between free software and freeware ?

answer :Free software : Freely accessible, freely used,changed,improved,copied and distributed to all. No payments required. Source code available.

Freeware : Freely available, freely used but it has stipulated time, after period of time, license fee should be paid. -each explanation 1 mark

f.Mrs Kamini is not clear about the wireless and wired media of communication kindly describe it to her with suitable example.

answer :Wired Media : It is the physical connection for connecting different devices on network. Also called Guided Media. different types cable can be used like coaxial cable, optical fibe,etc.

Wireless Media: No any physical connection between the devices on network. Also called Un-guided media. Different unguided media can be used like microwave, radiowave, satellite, Bluetooth etc. -each explanation 1 mark

g.What is DOS(Denial of Service) attack ? Explain briefly.

answer :DOS (denial of Service) : types of attacks that prevent the legitimate users of the system.from accessing or using the resources, information or capabilities of the system. 

(a)Write HTML code to produce a Textarea with 10 rows and 30 columns.

Ans: <TEXTAREArows=10cols=30name=”tarea”

Please click the below link to access CBSE Class 12 Informatics Practices Sample Paper SA2 2015 (1).


Click on the text For more study material for Informatics Practices please click here - Informatics Practices

Latest NCERT & CBSE News

Read the latest news and announcements from NCERT and CBSE below. Important updates relating to your studies which will help you to keep yourself updated with latest happenings in school level education. Keep yourself updated with all latest news and also read articles from teachers which will help you to improve your studies, increase motivation level and promote faster learning

CBSE Board Exam Date Sheet of class 10th and 12th

The Central Board of Secondary Education (CBSE) released the Date sheet of Class 10 and Class 12th 2020 examination on the official website The board examination of Class 12 will be conducted from 15 February to 30 March 2020, while the board examination...

Some last minute helpful tips and tricks for CBSE board exam

CBSE board exams are just around the corner. Students of CBSE class 10th and class 12th are preparing hard to appear in the CBSE board examination 2020, they are looking for last-minute tips and tricks to get good score in the board exam. However, during examination,...

CBSE postpones class 12 English Exam

CBSE had to postpone the class 12 English Exam, the date for the exam will be announced soon. Please see CBSE notice below

CBSE has asked teachers to prepare study material

As CBSE has issued instructions for all teachers to stay at home, CBSE has also issued fresh instructions for teachers to prepare study material for students. CBSE has asked teachers to prepare online study material including videos which can be shared with students....

CBSE exams postponed in Delhi

Due to the increased tension in some parts of Delhi, Delhi government has decided to postpone the CBSE boards exams for class 10 and class 12 in North East Delhi schools only. The dates on which the exams will be scheduled again has not been notified by CBSE till now....

CBSE class 12 Board examination pattern

This year the Central Board of Secondary Education (CBSE) made some important changes to the Class 12 exam pattern. Students should be aware of every minute detail of the modified exam pattern, from adding the internal exam in all subjects to changing the format of...

Studies Today