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Summary of 5 March 2012

Today, learn at computer lab. Today learn about web browsing.


What types of web browsing and search engine?

Examples of Web Browsers
Examples of Search Engines


What is the difference between htm & html?
->htm is a web page that containing Hypertext Markup Language-HTML-markup.
->is a extension for HTML file format.


->The HTML file extension is sometimes abbreviated as .htm for compatibility with older operating systems, such as Disk Operating System (DOS), Windows 3.x and OS/2., which support eight character file names with a three character extension. When we save an HTML document, you can use either the .html or the .htm file extension.
-> so, no different.

How to use meta-search?
-> A search engine that queries other engines and then combines the results that are received from all. The user is not using just one search engine but a combination of many search engines at once to optimise Web seaching.
-> For example, Dogpile is a meta-search engine.
Example of meta-search engine
-> Obviously, thought that comes to mind is that meta-search engine get theirs results from multiple search engines and since two is better than one the results must also better.


What is cache, URL, plugin, and also multitasking??
-> a special high-speed storage mechanism. A memory cache, sometimes called a cache store or RAM cache.
-> Memory caching is effective because most programs access the same data or instructions over and over. 

Multitasking
-> is a ability to execute more than one task/program at the same time.
-> In multitasking, only one computer involved. But it switches from one program to another so quickly that it gives the appearance of executing all of the programs at the same time.


URL
-> Abbreviation of Uniform Resource Locator (URL) it is the global address of documents and other resources on the World Wide Web.
-> 1st part of the address is called a protocol identifier and it indicates what protocol to use.
-> 2nd part is called a resource name and it specifies the IP address or the domain name where the resource is located.


Plug-in
-> A hardware or software module that adds a specific feature or service to a larger system. The idea is that the new component simply plugs in to the existing system. For example, there are number of plug-ins for the Netscape Navigator browser that enable it to display different types of audio or video messages. Navigator plug-ins are based on MIME file types



SUMMARY OF THE DAY
-> understand another types of search engine, web browsing.

  • Digg
  • Del.icio.us
  • StumbleUpon
  • Reddit
  • RSS

2 comments:

Unknown said...

soalan2 exam ke tu????huhuhu

Ursula said...

Bersyukurla kalau memang soalan exam.. haha!!

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