01: Convergence Of Technologies : Cbse-ix-foundation Of Information Technology .

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CBSE-IX-Foundation of Information Technology .

01: Convergence of Technologies

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Qstn #5
Now-a-days, a mobile phone is used as an entertainment device, explain.
Ans : Mobile phones can do much more than making calls and sending text messages. The fifth generation mobile phones include the advance power of technology as high-resolution video camera to obtain HD images/ videos, latest versions of audio and video players and also an operating system fdr better gaming experience. These types of mobiles are known as smartphones. So, it can say that a mobile phone is a fully loaded entertainment device.

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Section : C
Long Answer Type Questions

Qstn #1
Give an example of impact of technological convergence in daily life.
Ans : The impact of technological convergence in our daily life can be best exemplified with mobile phones.
Apart from the basic purpose of mobile telephone, the latest cellphones support multiple features like:
(i) Internet and E-mail access.
(ii) Multimedia applications like music/video playback and playing games.
(iii) Sending messages.
(iv) Audio and video conferencing.
(v) Camera for images and videos.
(vi) Providing maps for finding locations.
(vii) Basic computer applications like creating documents, presentations, calendar, calculator, dictionary etc.
(viii) The incorporation of all these technologies into a single device has led to the emergence of smart phones, which eliminates the need to carry multiple devices.

Qstn #2
Explain the usage of Set-Top Box (STB) and Multi-purpose entertainment devices.
Ans : Set-Top Box (STB) It is an electronic device that generally contains a tuner card and connects to a television set as an external source of signal, turning the source signal into a content form that can be displayed on the television screen or other display device. It is also known as Set-Top Unit (STU). It is a device that enables a television set to become a user interface to the Internet.
Multi-Purpose Entertainment Devices These devices are used to play videos, listening to music and radio, play video games and much more through a single device, e.g. iPad, iPod, Tablets, PCs, X-Box gaming console etc.

Qstn #3
What are the types of convergence. Explain them.
Ans : Digital Convergence
It is the collection of underlying digital technology components and features such as voice, texts, videos, pictures, broadcasts, presentations, streaming media, global connectivity and personalised services.
It refers to the convergence of four industries into one Conglomerate (Combination of two or more enterprises)— ITTCE (Information Technology, Telecommunication, Consumer Electronics and Entertainment).
Messaging Convergence
It means integrating SMS with voice, e.g. Voice SMS (voice instead of text) and SpinVox (voice to text). Due to change in communication, the main problem that arises for operators is to adjust all aspects of their business, including their mobile, television and Internet networks that are converging and progressing day-by-day. In addition, today’s wide variety of messaging options, including SMS, MMS, E-mail, Instant messaging and Video sharing are creating challenges for users and operators to manage it.
Media Convergence
It involves the interlocking of computing and IT companies, telecommunication networks and content providers from the publishing world of newspapers, magazines, music, radio, television, films and entertainment softwares. It brings together the “3Cs” and is the direct convergence of the digitisation of media content and the popularisation of the Internet.
Device Convergence
It means the trend in network device architecture to support different networking paradigms in single system.
e.g. communication and imaging technologies on a mobile device designed to make calls and take pictures. Both are unrelated technologies that converge on a single device.

Qstn #4
Define Voice over Internet Protocol (VoIP). Also explain its advantages of using VoIP
Ans : VoIP is an IP telephony term for a set of facilities used to manage the delivery of voice information over Internet. It enables a user to make cheap telephone calls over a broadband Internet connection, instead of using a regular telephone service. A major advantage ot VoIP is that it avoids the tolls charged by ordinary telephone service.
A user can make a call locally or in other parts of (JS or Canada, or anywhere else in the world, eliminating long distance fees by using a VoIP service. The concept of VoIP is used in wireless LAN networks and sometimes referred to as wVoIP, VoFi, VoWi-Fi and Wi-Fi VoIP.

Qstn #5
Explain Fax over Internet Protocol (FoIP).
Ans : This application enables the interworking of standard fax machines with packet networks. It accomplishes this by extracting the fax image from an analog signal and carrying it as a digital data over the packet network. The E-mail fax system allows user to send and receive faxes using a regular fax number(s) over the Internet by using any E-mail account. Fax machines, fax servers and fax services continue to evolve towards a FoIP strategy (sometimes referred to as VoIP Fax)

Qstn #6
Why do we use Internet Protocol Television (IPTV)?
Ans : It is a process of transmitting and broadcasting television programs through the Internet using IP. Any person who watches a clip online, is experiencing a form of IPTV.
For user’s comfort, telecommunication companies started offering television programming through their high speed networks.
This makes it possible for telcos to offer the quadruple play, which is a combination of wireless phone, Internet, land-line phone and TV programming. It provides an integrated environment to deliver broadcast quality video over the IP-based communication using high speed Internet broadband network such as DSL high speed Internet cable and T1, T2 and T3 lines.

Qstn #7
Explain video conferencing.
Ans : It is a communication technology that integrates video and audio to connect users anywhere in the world as if they are in the same room.
Video conferencing term usually refers to communication between two or more users who are in at least two different locations and it often includes multiple people at each location. Each user or group of users who are participating in a video conference typically must have a computer, a camera, a microphone, a video screen, a sound system and communication technology’ (Internet satellite based system or other communication technology).
Through video conferencing, participants can see and hear each other in real-time allowing natural face-to-face conversations and visual elements that are not possible with voice only communication technology, e.g. mobile phone.

Qstn #8
What makes Internet telephony so popular?
Ans : Internet telephony refers to the science and technology for integrating telephone services into a computer networks.
It converts analog voice signals into digital voice signals and then, converts them back again. It also transmits the signals using data packets.
By using this system, a person can make long distance calls free of cost, only Internet charges will be change and also, both parties must have the suitable softwares.

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Section : D
Application Oriented Questions

Qstn #1
The following paragraph describes the term “Convergence of Technologies”.

#1-i
of technology is defined as the interlinking of (ii)........and other information technologies such as media, (iii) .........and (iv)........networks that has arisen as a result of (v)........and popularisation of Internet as well as activities, products and (vi)............in digital media space. Convergence also refers to the phenomena of group of (vii).........which are developed for one use but it is being (viii)..........in many different, contexts.
Fill in the blanks with words listed below:
utilised, evaluation, services, computing, convergence, communication, technologies, content
Ans : Convergence
(ii) computing
(iii) content
(iv) communication
(v) evaluation
(vi) services
(vii) technologies
(viii) utilised

Qstn #2
Ram is the CEO of On Air Lid. This company has offices in Mumbai, Kolkata, Delhi and Sri Nagar. In order to communicate with all offices at the same time, Ram has decided to use video conferencing.
Discuss:

#2-i
What is video conferencing? What all equipments are needed to use video conferencing?
Ans : Video conferencing is a communication technology that integrates video and audio to connect users anywhere in the world as ii they are in the same room. It uses a computer, video camera, microphone, video screen and a sound system.