Monday, 29 January 2018

Task 8

What's up guys!!

And as usual today I will post about Internet service and types of websites




Internet Service


  1. World Wide Web
  2. e-mail
  3. Instant Messaging
  4. Voice over Internet Protocol
  5. Message board
  6. File Transfer Protocol





World Wide Web (www)



The World Wide Web (WWW), or Web, consists of a worldwide collection of electronic documents.

Each electronic document on the Web is called a Web page which can contain text, graphics, animation, audio, and video.

Web pages usually have built-in connections to other documents.

A Web site is a collection of related Web pages and associated items, such as documents and pictures, stored on a Web server.
Web server is a computer that delivers requested Web pages to your computer.

Web 2.0 refer to Web sites that provide a means for users to share personal information, allow users to modify Web site content and have application software built into the site for visitors to use.





e-mail



Short for electronic mail
The transmission of messages and files via a computer network

qConsist of simple text or can contain attachments, such as documents, graphics, or audio/video clips
q
qSome Web sites — such as Google and Yahoo!—provide free e-mail services.

One of the original services on the Internet





Instant Messaging







What is instant messaging (IM)?

A real-time Internet communications service that notifies you when one or more people are online and allows you to exchange messages or files or join a private chat room with them.
Real time means that you and the people with whom you are conversing are online at the same time.

Some IM services support voice and video conversations.





Voice over Internet Protocol




What is VoIP?
Voice over Internet Protocol, a technology for making telephone calls over the Internet in which speech sounds are converted into binary data.

VoIP is an acronym for Voice Over Internet Protocol, or in more common terms phone service over the Internet.

Also called Internet Telephony.
To connect a calling party to one or more local or long distance called parties.




Message board






What is message boards?
Type of discussion group.

Many web sites use message boards because they are easier to use.

Also known as discussion group, discussion forum and online forum.

A general term for any online "bulletin board" where you can leave and expect to see responses to messages you have left.

A popular Web-based type of discussion group that does not require a newsreader




File Transfer Protocol



 What is FTP?
Is an Internet standard that permits file uploading and downloading with other computers on the Internet.

A standard for the exchange of program and data files across a network.

Uploading is the process of transferring documents, graphics and other objects from your computer to a server on the internet.

Some examples of FTP programs are Smarter FTP, WS_FTP and Internet Explorer.

Web developing programs like Dreamweaver can also be used to establish an FTP connection to a server.





And for the next chapter, I will talk about types of website



  1. Portal
  2. Business
  3. Blog
  4. Wiki
  5. Online Social Network




Portal








A web site that offers variety of internet services from single, convenient location.
Web system that provides the functions and features to authenticate and identify the users
Provide them with an easy, intuitive, personalized and user-customizable web-interface for facilitating access to information


Have online communities.
vOnline community a web site that joins a specific group of people with similar interests or relationships.
vExamplesKMPh portal e-learning, AltaVista, AOL, Excite, GO.com, iGoogle, Lycos, MSN and Yahoo!




Blog




An informal web site consisting of time-stamped articles, or posts in a diary or journal format, usually listed in reverse chronological order.

Most blogs are interactive, allowing visitors to leave comments and even message each other via widgets on the blogs
Many blogs provide commentary or news on a particular subject; others function as more personal online diaries.


Wiki


A collaborative web site that allows users to create, add to, modify, or delete the web site content via their web browser.
The difference between a wiki and blog is that users cannot modify original posts made by the blogger.
Visitors can also create new content and change the organization of existing content.
The simplest wiki programs allow editing of text and hyperlinks only.
More advanced wikis make it possible to add or change images, tables, and certain interactive components such as games.


Online Social Network


    Encourages members in its online community to share their interests, ideas, stories, photos, music and videos with other registered users

Examples: Facebook, MySpace
A media sharing web site
va specific type of online social network that enables members to share media such as photos, music and videos.

Business



Contains content that promotes or sells products or services.


Many of these enterprises also allow you to purchase their products or services online.
Examples: Pearl Haya Gallery, Anakku brand, Walt Disney Company  and Kraft Brands .

















Monday, 22 January 2018

Task 7



Hello guys..For today topic I will talk about World Wide Web (www)

The World Wide Web (abbreviated WWW or the Web) is an information space where documents and other web resources are identified by Uniform Resource Locators (URLs), interlinked by hypertext links, and can be accessed via the Internet. English scientist Tim Berners-Leeinvented the World Wide Web in 1989. He wrote the first web browser computer program in 1990 while employed at CERN in Switzerland.The Web browser was released outside CERN in 1991, first to other research institutions starting in January 1991 and to the general public on the Internet in August 1991.


For further overview...











World Wide Web


WEB PAGE
•Each electronic documents on the Web
•Which can contain text, graphics, animation, audio and video
•Two types : Static(fixed); Dynamic (changing)

WEB SITE
•A collection of related web pages and associated items


WORLD WIDE WEB
•Consists of a world wide collection of electronic documents (web pages)

WEB SERVER
•Is a computer that delivers requested Web pages to your computer

HOME PAGE
First page that a web site display


WEB BROWSER

The purpose of a web browser is to bring information resources to the user

Example of web browser:

Internet Explorer

Firefox
Opera
Safari
Google chrome


•Web pages provide links to other related Web pages
Surfing the Web
Downloading is the process of receiving information from a server on the internet
Uploading process of transferring documents, graphics and other objects from a computer to a server on the Internet
Some Web pages are designed specifically for micro browsers (mobile devices)



WEB ADDRESS



A website address, also known as a URL (uniform resource locator), is an Internet or intranet name that points to to a location where a file, directory or website page is hosted. Website addresses can represent the home page of a web site, a script, image, photo, movie or other file made available on a server for viewing, processing or download. They can also be embedded into the code of web pages in the form of hyperlinks to direct the user to other locations on the Internet.




 Picture 2







WEB PAGE NAVIGATION

•Surfing the web
–The activity of using links to explore the web
•A link
–Can be text or an image.
•Text links
–May be underlined and/or displayed in a color different from other text on the page
–The color of the link will change once the link has been visited.



Navigating web pages
-Most web pages contain hypertext or hypermedia links
-Consist of two:

Hypertext
Links in text based documents

Hypermedia
Combines text-based links with graphic, audio and video links


WEB SEARCHING

•A primary reason that people use the Web is to search for specific information, including text, pictures, music and video.
•The first step in successful searching is to identify the main idea or concept in the topic about which you are seeking information.

There are two types of search tools;



-Search engine (keyboard search)
Finds information related to a specific topic




-Subject directory (directory search)
Classifies Web pages in an organized set of categorized




Widely used search tools

Google
Yahoo
MSN














Task 10

Hello.. Today I will post about the things that I learn yesterday..which are Computer Security Risks and Security Measure. Computer S...