Class X Chapter 1 Internet

Transcription

1 Class X Chapter 1 Internet I. Word Search Find and circle seven terms related to this chapter. I S A C O M P U T E R Q X E N A M Y U N L B G S S J T X T Y W A E I O U G D Q F W B E B R S Q W J U F A A J Y A R A J G Y V E H Z S Q G W Y N T N A W W N W D B W S E A E U W E E J S F S J H Q I M T H I B Q X G Y Y S G S R I B B S S E H D I A L U P A C C E S S J O L I M K M U N B R G D K G P V Z J I J W Y V T C W E B P O R T A L H E V F L Z X C V B N M Q W R E R M O D E M Q Z X P O N I U II. Identify and name 1. The state of being connected to and working on the Internet 2. A company that provides access to the Internet 3. A 32-bit address that represents each computer on the Internet 4. A type of URL that defines the exact location of a web page on the Internet 5. A software used to find, retrieve, view and send information over the Internet 6. The activity of carrying out business over the Internet III. State three facts about: 1. Web portal 2. Internet 1

2 3. Web server 4. Domain name 5. SMTP 6. Leased line Internet connection IV. Figures Speak

3 V. Application-oriented Questions 1. Mr. Raman wants to use a leased line connection for his firm. According to you, what are the drawbacks of using this connection? 2. Laleema Chakradhar wants a broadband connection for accessing her mails and staying informed about the latest happenings in the field of Biotechnology. Can you suggest two Internet Service Providers of India to be approached for the same? 3. Gayatri has to create a website of her family. Which language she can use to do so? 4. Sachin wants to open his school website but he does not know which software is needed to do so. Name the software that he requires to access any website. I. Word Search Answers II. Identify and name 1. Online 2. Internet Service Provider (ISP) 3. IP address 4. Absolute URL 5. Web browser 6. E-commerce 3

4 III. State three facts about: 1. Three facts about a web portal are: (a) A web portal or simply a portal is a website that acts as a gateway to a broad range of other websites on the Internet. In other words, a portal has a catalogue of other websites. (b) It may also offer various other resources and services like a search engine, , chatting, online shopping, horoscopes, latest news, etc. (c) The first web portal was America Online (AOL). (d) It is the Internet protocol responsible for retrieving and displaying web pages. (e) When an HTTP link is traversed, the browser connects to the appropriate machine, retrieves the document and then closes the connection. (f) The HTTP server tells the browser about the type of document it is sending so that the browser at the client side can display it correctly. 2. Three facts about Internet are: (a) The term Internet is derived from two words: Interconnection and network. (b) It is a network of networks where each network consists of multiple numbers of computers. (c) Computers in a network are connected through cables, wireless or any other media enabling them to communicate and share files and other resources. 3. Three facts about a web server are: (a) The web pages on the Internet are stored on the computers that are connected to the Internet. These computers are known as web servers. (b) Any computer that has a server software installed on it and is connected to the Internet can act as a web server. (c) The web browsers and web servers are linked together using the client/server architecture. 4. Three facts domain name are: (a) A domain name is a unique name that identifies a particular website and represents the name of the server where the web pages reside. (b) They are the human-readable addresses and hence, are easier to remember. (c) Some examples of domain names are and 5. Three facts about SMTP are: (a) SMTP (stands for simple mail transfer protocol) is a TCP/IP application protocol that supports service. (b) It handles transfer of messages between the sender and receiver over the Internet. (c) When a sender sends an , SMTP takes it to the sender's mail server and then transfers it to the receiver's mail server. 6. Three facts about leased line connection are: (a) It is a permanent connection that uses a dedicated and high-speed telephone line rented exclusively for (b) It is used by large-scale businesses to connect their geographically distant offices. 4

5 (c) Fixed monthly fee is charged based on the distance between the end points and the speed of Internet. IV. Figures Speak 1. Client/server architecture 2. External modem 3. Internal modem 4. URL V. Application-oriented Questions 1. The drawbacks of a leased line connection are: (a) Though a leased line connection provides the fastest Internet access, it is very expensive. (b) The transmission is affected by the distance greater is the distance, slower will be the speed. (c) It has a limited availability. 2. Videsh Sanchar Nigam Limited (VSNL) and Airtel. 3. The language that she can use to create a website is Hypertext Markup Language (HTML). 4. The software needed to open any website is the web browser, such as Internet Explorer, Google Chrome and Mozilla Firefox. 5