Introduction of Web Browser

Web brower is a program or software used to surf  Internet or to search information from a Web page stored in computer. Initially, Web brower only on text-oriented and not capable of displaying images. But web browsers are now not only displays pictures but also play multimedia files such as video and sound. The browser can send and receive e-mails, processing HTML language as input, and make web pages as output informative.

By using a web browser, Internet users can access a variety of information contained in the Internet with easy. Some examples of Web browsers :


1. Nescape Navigator

         










Nescape Navigator web browser that famous in the 1990s and most widely used  
         before the emergence of Internet Explorer from Microsoft, which was created by 
         Netscape Corporation.
         Advantages of the Nescape Navigator :
                a) Netscape Navigator is a web browser that is stable.
                b) Netscape also released a suite of Internet packets, called Netscape Communicator.
                c) Additional news from netscape.com

         Disadvantages of Nescape Navigator :
                a) No longer use Internet Explorer besides Firefox engine


2. Internet Explorer

 
        






Internet explorer is a web browser from Microsoft Corporation (IE). Internet Explorer 
        also has some advantages and disadvantages.  
        Advantages of the Internet Explorer :
               a) Provide facilities for the Add-One.
               b) Especially in IE 8.0 version looks increasingly attractive.
               c) integrated with windows lives.
              d) In support web slices with technology.
        Disadvantages of Internet Explorer :
              a) The process of loading more slowly in comparison with other browsers.
              b) Weight at launch and open a new tab.
              c) the security system is weak, so vulnerable to hackers and viruses.
             d) Frequent failure in reading the script on several pages of the site.

3. Mozilla Firefox

        






  
Mozilla Firefox is a web browser made ​​by Mozilla Corporation, Firefox itself is one of 
        the open source web browser built with the Gecko Layout Engine.
        Advantages of the Mozilla Firefox :
              a) It has many additional features Add-Ons.
              b) The update process is easy and can be downloaded for free.
              c) Has a very good security system.
             d) It has its own download manager. 
        Disadvantages of Mozilla Firefox :
             a) Long loading as many Add-Ons installed.
             b) more easily attacked by a trojan virus.

4. Opera


        









Opera is the browser that was developed by the opera software company that is one of 
        the web browser and internet suite.
        Advantages of the Opera :
           a) This includes secure web browser.
           b) Can be installed in mobile phones.
           c) Free from the popup.
           d) Having an e-mail client.
       Disadvantages of Opera :
           a) The loading is rather slow, especially in reading the script on several pages of the site.
           b) To update must first download the file master.
           c) Does'nt have the Add-Ons.

5. Google Crome




 











Google Chrome is a web browser made ​​by google and the parties began release 
       2 sep 2008.
       Advantages Google Crome :
          a) Have the ability faster browsing.
          b) Browser addressnya also functions for search engines.
          c) Having the appearance of skin that can be chosen.
         d) Use a separate memory tab.
          f) Support flash and java. 
       Disadvantages of Google Crome :
         a) Still using the beta version.
         b) Systems security is still not maximal.
         c) its consumer is limited to Windows XP and Vista.
         d) The more tabs in the open then it will require more memory for browsing. 

Something that needs to be known in information retrieval is an understanding of the structure of the web address, for example http://www.bakatremaja.blogspot.com. Addresses can be interpreted as follows:

          1. http: namely the transfer of a Web service (protocol)
          2. www (world wide web), which is the largest network of web sites as the manager  
              addressing the web site on the internet.
          3. Bakatremaja.blogspot, called the name of the region (domain), which is a name 
              used an institution to its website.
          4. Com, is the end of a domain name, it usually indicates areas of the website effort is 
              concerned.

Examples of some of the domain name include:
         a. Net: Internet connection service providers
         b. Edu or ac = educational institution
         c. Co, com = commercial enterprise
         d. Or, org = non-profit organization or foundation
         e. Mil = military institution 

Basic commands in the internet browser and its usefulness :

1	Back	Goto the previous page
2	Forward	Back on the web page you just access
3	Stop	Stop the browser you are currently viewing access
4	Refresh	Call back a web page
5	Home	Return to home page
6	Search	Search the web or a specific data
7	Favorites	Save a web page like
8	History	Redisplay the web pages you've visited
9	Mail	Enabling Outlook Express
10	Media	Displays windows media containing program music, video, or film
11	Print	Print a web page
12	Reload	Call back a web page
13	Links	Jump or move from web page
14	Discuss	Featuring discussion bar in Windows XP operating system