Unit 1 — Unsolved Examination Questions

The term "Downloading from Internet" means the process of transferring files from a net server onto one's local machine.

(i) WWW — World Wide Web

(ii) FTP — File Transfer Protocol

Chat is online textual conversation wherein the message typed by the sender is instantly made available to the recipient and vice versa.

A website is a group of related web pages hosted on a web server and are linked together and share a common interface and design.

Telnet is an Internet utility that lets us log onto remote computer systems. It has been used by people who have logins on remote systems and want to do serious work there.

Two websites used as SEARCH ENGINES are:

1. www.google.com
2. www.bing.com

A two-way videophone conversation among multiple participants by using computer networks to transmit audio and video data, is called Video Conferencing.

Web addresses are :

1. www.kool.com
2. www.hotspider.co.in

Reason — Web addresses represent the addresses of websites.

E-mail addresses are :

1. Raga100@rediffmail.com
2. 123hotshot@elixir.co.in

Reason — e-mail address has a username (Raga100 and 123hotshot), @ symbol followed by the domain name of the host server (rediffmail.com and elixir.co.in).

A web server is a World Wide Web server that stores web documents and responds to the http requests made by web browsers.

Two uses of Internet are:

1. It can be used to send and receive e-mails.
2. It can be used to search information on any topic.

Remote Login is a process in which a user can login on to a remote computer and use services that are available on the remote computer.

Two websites used to send e-mail are:

1. www.gmail.com
2. www.rediffmail.com

Uploading a file on internet means to copy a file from the local computer to a server location.

Chat rooms are websites or a part of some online services that provide an online venue for communities of users with a common interest to communicate in real time.

Web addresses are as follows:

1. www.scrapbook.com
2. www.countrywide.co.in

Reason — Web addresses represent the addresses of websites.

E-mail addresses are as follows:

1. aba@scrapbook.com
2. 123@hotshot.co.in

Reason — e-mail address has a username (aba and 123), @ symbol followed by the domain name of the host server (scrapbook.com and hotshot.co.in).

Two INTERNET service providers in India are:

1. BSNL (Bharat Sanchar Nigam Ltd.)
2. Bharti Airtel

Back command causes the web browser to move back one page in the session history.

A modulator-demodulator or modem is a computer hardware device that converts data from a digital format into a format suitable for an analog transmission medium such as telephone or radio and vice versa.

An example of e-mail address is aman123@gmail.com.

An e-mail address has two parts separated by '@' symbol :

1. Username — On the left side of @ operator is the username. Here the username is 'aman123'.
2. Domain name for the host server — The portion to the right of @ identifies the server or host or network that services our e-mail. The domain name of the host server is 'gmail.com'.

A protocol is a set of rules governing an operation or application. It is usually an agreed upon or standardized method for transmitting data and/or establishing communications between different devices.

(i) HTTP — Hyper Text Transfer Protocol

(ii) FTP — File Transfer Protocol

One can move from one web page to another on a web site by clicking on hypertext or hyperlinks provided within the webpage for navigation purposes.

The first page that appears when viewers go to a website is called the Homepage.

Two advantages of Homepage are:

1. It sets the look and feel of the website.
2. It directs viewers to the rest of the pages in the website.

HyperText Transfer Protocol is a set of rules for transferring hypertext — text, graphic, image, sound, video etc., on World Wide Web.

It is the primary access method used for interacting with Internet. The http is responsible for accessing hypertext documents on world wide web.

A search engine is a program that searches through a database of web pages for a particular information. We provide keywords to a search engine. The search engine searches the given keywords on the web and provides details.

The "Back" button causes the web browser to move back one page in the session history.

When we need a file which is located on the server, we have to download the file that means a transmission of the file from the server to the local computer. For example, when we make a reservation for a seat of the train, we download the train ticket from the server to our computer and get a printout of the ticket.

Similarly, if we want to share some content (file, picture, video etc.) and we want it to be visible online, we have to upload that content on the Internet i.e., a transmission of the file from our computer to the server. For example, uploading a picture on our social media account.

An ISP (Internet Service Provider) is an organisation that provides the facility of availing internet services against a fee.

Bharti Airtel is an ISP of India.

Refresh command is used to ask the web browser to send the most updated version of the current web page.

(i) HTML — HyperText Markup Language

(ii) HTTP — HyperText Transfer Protocol

(iii) TCP/IP — Transmission Control Protocol / Internet Protocol

(iv) URL — Uniform Resource Locator

When we need a file which is located on the server, we have to download the file that means a transmission of the file from the server to the local computer. For example, when we make a reservation for a seat of the train, we download the train ticket from the server to our computer and get a printout of the ticket.

Similarly, if we want to share some content (file, picture, video etc.) and we want it to be visible online, we have to upload that content on the Internet i.e., a transmission of the file from our computer to the server. For example, uploading a picture on our social media account.

e-mail is popular over conventional mail because:

1. It is cheaper.
2. An e-mail is faster.
3. It saves paper and reduces waste.
4. It is easy to use.
5. A record is maintained of all the e-mails sent and received.
6. It is flexible as the recepient can respond at his convenience.
7. It is available 24 hours a day 7 days a week.

We use a Web Browser to navigate the World Wide Web (WWW), view websites and interact with various online content and services.

(i) URL — Uniform Resource Locator

(ii) FTP — File Transfer Protocol

Telnet is an Internet utility that lets us log onto remote computer systems. It has been used by people who have logins on remote systems and want to do serious work there.

A web server is a World Wide Web server that stores web documents and responds to the http requests made by web browsers.

Uploading a file refers to the process of transferring the file from one's local computer to a net server.

SmartFTP and FireFTP can be used to upload a file on the server.

(i) A two-way videophone conversation among multiple participants by using computer networks to transmit audio and video data, is called Video Conferencing.

(ii) A search engine is a program that searches through a database of web pages for a particular information.