Kips Class 8 IT Beans Chapter 12 Surfing Internet

Chapter 12 Surfing Internet

Brain Developers
A. Fill in the blanks:
1. A web browser is a software program that allows users to access the World Wide Web.
2. The WWW consists of files called web pages, containing links to documents through Internet.
3. The links is a methodology for the delivery of voice and multimedia sessions over the Internet.
4. Chat program allow multiple users to type to each other in real time.
5. The word blog is derived from the word Weblog.
6. Live Cam is a video camera that sends the data in real time to a Web server.

B. State True or False:
1. Skype software was originally created by Niklas Zennstrom and Janus Friis. (True)
2. A blog allows users to share their thoughts with the world. (True)
3. HTML is a very complex language. (False)
Correct Answer:
HTML is not a complex language.
4. Chat program is an example of real-time communication. (True)
5. WWW was developed by Ted Nelson. (False)
Correct Answer:
WWW was developed by Tim Berners-Lee.
6. The Blogger site was launched in 1997. (False)
Correct Answer:
The Blogger site was launched in 1999.

C. Application Based Questions:
1. Tushar is an aspiring poet and wants to share poems with the world using Internet. But he is unaware of the suitable internet service for the same. Advise him the option, which could meet his requirements.
Answer:
He should create a blog using blogger.com or wordpress.com.

2. Aamir is a CEO of a multinational company. He wants to hold a video conference in which he would interact with National Heads of five countries. Suggest him some suitable application to perform this task effectively.
Answer:
Aamir should use Video conferencing through Skype to interact with National Heads of five countries.

D. Multiple Choice Questions:
1. _______________ introduced the term Hypertext.
a) Vinton Gray
b) Ted Nelson
c) Niklas Zennstrom
Answer:
b) Ted Nelson

2. The World Wide Web was developed in the year __________.
a) 1988
b) 1991
c) 1999
Answer:
b) 1991

3. Skype is a ______________ service.
a) VoIP
b) VIP
c) VIOP
Answer:
a) VoIP

4. Blogger was launched in the year _________________.
a) 1990
b) 1995
c) 1999
Answer:
c) 1999

5. ______________ is recognised as the father of the Internet.
a) Steve Jobs
b) Vinton Gray
c) Bill Gates
Answer:
b) Vinton Gray

6. ____________ language is used to create web pages along with text and graphics.
a) HTLL
b) HTTP
c) HTML
Answer:
c) HTML

E. Answer the following:
1. How do computers on the Internet communicate with each other?
Answer:
The computers on the Internet communicate with each other using the Transmission Control Protocol/Internet Protocol (TCP/IP).

2. What do you know about Hypertext?
Answer:
Hypertext is the text used to link various web pages, which on clicking opens a new web page.

3. Explain the term URL. What is the use of it?
Answer:
URL stands for Uniform Resource Locator. It is used as a unique address for a file that is accessible on the Internet.

4. What do you understand by streaming media?
Answer:
In streaming media, audio or video files are played as they are downloading, or streaming, into your computer only a small wait, called buffering, is necessary before the file begins to play.

5. Define the term Real-Time Communication.
Answer:
Real-Time Communication allows multiple users to communicate with each over the Internet. Users can share their audio, video or text files.

6. What is Skype? Mention any two basic requirements to use this software.
Answer:
Skype is one of the most popular applications or Voice-over-Internet Protocol (VoIP) services. It allows you to do instant messaging and make voice and video calls to fellow Skype users on the Internet for free. The two basic requirements to use this software are:
• High speed internet connection
• Speaker/Headphones/Microphone

7. What do you understand by a blog? Explain its uses.
Answer:
A blog is an easy-to-create web site that allows users to share their thoughts with the world. The word “blog” comes from “Weblog”. We can create blog on any topic and add comments to the other blogs created by the other people.

F. Write the full form for the following:
1. URL ___________________________
2. VoIP ___________________________
3. HTML ___________________________
4. TCP ___________________________
5. IP ___________________________
Answer:

1. URL: Uniform Resource Locator
2. VoIP: Voice-over-Internet Protocol
3. HTML: Hypertext Markup Language
4. TCP: Transmission Control Protocol
5. IP: Internet Protocol

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