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Wednesday, October 5, 2011

Computer Internet Test Interview Viva Voce

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Q.1 What is internet?

            Internet is the network of networks around the world. It is made up of thousands of smaller networksInternet provides following main facilities:  ·  E- mail                    ·   Chat           ·Searching  jobs    ·       Advertising for business            ·E-commerce     ·Searching information

Q.2 Define :WWW, ISP, WEB PAGE, WEB SITE, WEB SERVER, WEB BROWSER

WWW stands for World Wide Web. It is also called web. It is the collection of all connected web documents stored on different web servers. WWW has many advantages:
· finding a job    ·      searching information ·          e-commerce · education
· advertisement for business   ·         weather forecast  ·     entertainment
ISP stands for internet service provider. It is a company that provides internet connections to users. For example WOL net, PAK net, CYBER net etc. are ISPs.
WEB PAGE:      A document created by HTML and found on web is a web page. A web page contains information in the form of text, pictures, audio and video clips.
WEB SITE:       A collection of related and interlinked web pages is called a web site. A web site may have many pages. Each web site has a unique address called URL. For example URL of Baha-ud-din Zakaria University is www.bzu.edu.pk.
WEB SERVER:Web documents are stored on special and powerful computers called WEB SERVERS. They provide requested information in the form of web page.
WEB BROWSER
            A browser is software that is used to view web pages on internet. Many web browsers are available. But Internet explorer and Netscape navigator are the most popular. Q.3 Write notes on the following:
            INTERNET PROTOCOL, URL, DOMAIN NAME, E-MAIL, E-MAIL ADDRESS
INTERNET PROTOCOL
Internet protocol is the set of rules and procedures used for communication on internet. Commonly used protocols are as following:
·                TCP/IP  It stands for Transmission Control Protocol/ Internet Protocol. It is used to exchange information between web servers and browsers.
·  FTP stands for file transfer protocol. It is used to transfer files on internet easily and quickly.
·                HTTP  It stands for Hyper Text Transfer Protocol. It is used to exchange web pages between web servers and browsers
URL
It stands for uniform resource locator. It is the web address of a web page or a file on internet. For example:
http://www.bzu.edu.pk
DOMAIN NAME
Domain name is a unique name given to a website. This name is linked to a web server where the website is stored. Internet users access your website using your domain name.
A domain name has two or more parts separated by dots, for example:
www.savings.gov.pk
Domain names consist of a top-level domain [TLD](such as .com, .org, and .net) .
E-MAIL:            E-mail stands for electronic mail. Email is an electronic message sent or received through internet. We send our textual messages by email from country to country.

E-MAIL ADDRESS

            E-mail address is a string that identifies a user so that the user can receive Internet e-mail. E-mail address is unique for every user. General format of an email address is as following:
User ID@Email service provider , for example,
m8@wol.net.pk,mahmoodalam786@yahoo.com ,mahmoodalam786@hotmail.com,
Q.4 Write notes on the following:
            FTP, BANDWIDTH, IP ADDRESS, HTML

FTP

            FTP stands for file transfer protocol. It is used to transfer files on internet easily and quickly
BANDWIDTH
            The data transfer capacity, or speed of transmission, of a digital communications system is called BANDWIDTH.
IP ADDRESS
It is a short for Internet Protocol address. This address is a unique string of numbers that identifies a computer connected to Internet
HTML
It stands for HYPERTEXT MARKUP LANGUAGE. It is the language to create and format web pages.
Q.5 What is a search engine, how you can search information on internet?
SEARCH ENGINE
            Internet contains very large amount of information. So it becomes difficult to search some information on internet. To find required information easily and quickly, Search Engine is provided by many websites. Following is a list of popular search engines:
1.         GOOGLE
Google is the most popular search engine. Its address is www.google.com.
2.         YAHOO
It is also a popular search engine. Its address is www.yahoo.com.
3.         ALTAVISTA
Its web address is www.altavista.com.
Q.6 What are ISP EMAIL ACCOUNT (POP3) AND FREE WEB SERVER
EMAIL ACCOUNT? OR Explain different types of email accounts.
There two main types of email accounts:
1) ISP email account   or POP3 email account
ISP or POP3 email account is provided by an ISP. It is generally requires email software like MS outlook express.
2) Web-based Email Account
            On the other hand, there are also many organizations on internet that provide free web based email accounts. These are also called free web server email accounts, for example www.yahoo.com, www.hotmail.com, www.gmail.com
Q.7 What is the difference between ISP MAIL ACCOUNT AND FREE WEB SERVER EMAIL ACCOUNT?
Sr.No.
Web based(free)
Pop3 (ISP)
1
It is provided by companies like yahoo and Hotmail
It is provided by different ISPs like Paknet, Wolnet etc
2
It is totally free
It is not freely available by ISP
Q.8 What are the services provided by internet?
SERVICES PROVIDED BY INTERNET     1.        THE WORLD WIDE WEB    2.    E-MAIL   3.       EMAIL DISCUSSION GROUPS  4.     NEWSGROUPS    5.      ECOMMERCE  6.           FTP    7.           chat
Q.9 What are the advantages and disadvantages of internet?
ADVANTAGES OF INTERNET
Following are the main advantages of internet:
1.   THE WORLD WIDE WEB
This is also called web or www or 3w. The collection of all web pages in all web sites on internet is called www. These web pages provide us information.
2.   E-MAIL:E-mail stands for electronic mail. It is the most popular, cheap, easy and fastest mailing service. We can send and receive messages on internet with in seconds.
3.   NEWSGROUPS:Newsgroups are discussion groups on internet. They are used for free exchange of information.
4.   MAILING LISTS:Mailing lists provide information to the users on the selected topics through email. Mailing lists are maintained by different companies.
5.   ONLINE BANKING
Several banks are online now. So we can manage our bank accounts on internet. Due to online banking, money is transferred from one city or country to another within seconds or minutes.
DISADVANTAGES OF INTERNET
  1. HACKING
Hackers access the important information and programs and may destroy it. Hackers try to get password of internet users and then access important information.
  1. COMPUTER VIRUS
Computer virus is a program developed for some destructive purpose. Computer virus can destroy your data or software. Virus enters into your computer by internet, floppy disc, CD or USB flash memory drive. Antivirus software like Norton Antivirus and  Mcafee  Antivirus are used to find and remove virus.
  1. WASTAGE OF TIME
There are so many interesting facilities on internet. So people use internet for several hours. In this way valuable time is wasted.
Q.10 What is a web browser?
Web browser is software that is used to access information available on internet. It is used to view web pages. The most popular web browsers are Microsoft internet explorer and Firefox
Q.11 Write down notes on the following:   1) Downloading 2) Uploading
Downloading is to receive data from a remote system, such as a website, FTP server, or other similar systems. We can download data in the form of files from internet. Uploading means to  send data from our computer to a remote system such as web site on internet.

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