12th Standard CBSE Syllabus & Materials

12th Standard CBSE

CBSE 12th Economics Government Budget and the Economy Previous year Question Papers Study Material - QB365 Set A

NEW

12th Standard CBSE

CBSE 12th Computer Science Interface Python with MySQL - New Previous year Question Papers Study Material - QB365 Set A

NEW

12th Standard CBSE

CBSE 12th Computer Science Database Concept - New Previous year Question Papers Study Material - QB365 Set A

NEW

12th Standard CBSE

CBSE 12th Computer Science Data Communication - New Previous year Question Papers Study Material - QB365 Set A

NEW

12th Standard CBSE

CBSE 12th Computer Science Data Structures - New Previous year Question Papers Study Material - QB365 Set A

NEW

12th Standard CBSE

CBSE 12th Computer Science Functions - New Previous year Question Papers Study Material - QB365 Set A

Communication Technologies - Important Questions Model Paper In 12th Computer Science

Published on: 31/07/2018

From the chapter Communication Technologies, some of the important questions are covered in this question paper. The questions are covers from the book back and the previous year questions.
Teachers can prepared question paper with answer key within five minutes. Please Click Here for subscribe.

Download CBSE Class 12th Standard CBSE Computer Science question papers, sample papers, important questions, and previous year solved papers in PDF format. Get free study materials, NCERT solutions, and exam preparation resources for Class 12th Standard CBSE Computer Science

Questions + Answers key

Take MCQ Computer Science Test

QB365 Student Learing Managemnet System

Std: 12th Standard CBSE - Computer Science

chapter: - Model Question paper

Visit QB365-SLMS - https://www.qb365.in/slms/ Complete Questions and Answers

Questions:

Fill up / 1 Marks

15 x 1 = 15

Why GNU is known as "GNU Not Unix"?

Name one commonly used open source internet browser and one commonly used open source operating system.

Name any two common web browsers.

Differentiate between XML and HTML.

Give one suitable example of each URL and domain name.

Write two applications of cyber law?

Expand the following terminologies:

(i) GSM (ii) WLL

Which of the following will come:
(i) theft of a brand new sealed pack laptop
(ii) Access to a bank account for getting in unauthorized money transaction.
(iii) Modification in a company data with unauthorized access.
(iv)Photocopying a printed copy under cybercrime?

What out of the following you will use to have an audio visual chat with an expert sitting a far away place to fix-up technical issues?

(i) E-mail (ii) Volp

(iii) FTP

10.

What is the difference between video conferencing and chat?

11.

What is the advantage of using SWITCH over HUB?

12.

What is hub?

13.

What is the function modem?

14.

Write one advantage of star topology of network? Also, illustrate how five computers can be connected with each other using star topology of ntework

15.

Which of the network (out of LAN, PAN and MAN) is formed, When you connect two mobiles using Bluetooth to transfer a picture file?

Generic 4

1 x 4 = 4

16.

Trine Tech Corporation (TTC) is a professional consultancy company. the company is planning to set up their offices in India with its hub at Hyderabad. As a network advisor, you have to understand their requirement and suggest them the best available solutions. Their queries are mentioned as (i) to (iv) below.
Block to block distance(in m)

Block (From)	Block(To)	Distance
Human Resource	Conference	110
Human Resource	Finance	40
Conference	Finance	80

Expected number of computers to be in each block

Block	Computers
Human Resource	25
Finance	120
Conference	90

(i) Which will be the most appropriate block, where TTC should plan to install their server?
(ii) Draw a block to block cable layout to connect all the building in the most appropriate manner for efficient communication.
(iii) What will be the best possible connectivity out of the following, you will suggest to connect the new setup of offices in Bangalore with its London based office.

Satellite link
Infrared

(iv) Which of the following device will be suggested by you to connect each computer in each of the buildings?

Switch
Modem
Gateway

Generic 2

1 x 2 = 2

17.

Explain the following terms in short:
(i) DHTML
(ii) ISP

Visit QB365-SLMS - https://www.qb365.in/slms/

Answers Key:

Fill up / 1 Marks

15 x 1 = 15

()
GNU is a recursive acronym for "GNU Not Unix", which was selected because its design is similar to Unix but it does not contain actual UNIX code.

()
Open source Internet browser - Chromium

Open source operating system - Linux

()
Two common web browsers are:
(i) Mosaic
(ii) Internet Explorer

()
XML was designed to describe data and to focus on what data is. HTML was designed to display data and to focus on how data looks. HTML is about displaying information while XML is about describing information

()
URL http://www.Gabsclasses.com/aboutus

Domain name www.Gabsclasses.com

()
The cyber law refers to all the legal and regularly aspects of Internet and the world wide web, including intellectual property, privacy, and freedom of expression.

()
(i) GSM Global System for Mobile Communication.

(ii) WLL Wireless in Local Loop.

()
(ii) Access to a bank accounts for getting in unauthorized money transaction.

()
(ii) Volp

10.

()
Chat generally involves one-to-one communicatio. On the other hand, video conferencing means more than two persons are involved in a discussion.

11.

()
Switch provides a dedicated line at full bandwidth between two devices but hub doesn't provide a dedicated line. Hub share the banndwidth.

12.

()
A hub is a hardware device used to connect several computers together.

13.

()
Function of modem is to convert analog signals into digital signals. Modem also converts digital signal into analog signal. It is also used to connect Internet.

14.

()
Advantage of star topology No distribution to the network when connecting or removing devices.

Five computers can be connected with each other using server in the following way:

15.

()
When two mobiles are connected using Bluetooth to transfer a picture file, a PAN(Personal Area Network) is created.

Generic 4

1 x 4 = 4

16.

(i) TTC should install its server in finance block as it is having a maximum number of computers.
(ii) The above layout is based on maximum cable length required, which is 120 meters in the above case.
(iii) Satellite Link
(iv) Switch.

Generic 2

1 x 2 = 2

17.

(i) DHTML DHTML stands for Dynamic HyperText Markup Language. It refers to the web content that changes according to the user request. It will react the user input without sending requests to the web server.

(ii) ISP ISP stands for Internet Service Provider. It refers to the company that provides Internet Services. Some common examples of ISPs are Airtel, BSNL, Tata docomo, etc.