Assalamualaikum,
Pembelajaran pada minggu ini meliputi dua topik iaitu Wireless Technology & Web searching. Saya telah membuat beberapa rumusan berkaitan kedua-dua topik tersebut :
Wireless Technology :
- Used to send data through the airwaves between devices, instead of physical cable.
- Wireless technology is generally used for mobile IT equipment. It encompasses cellular telephones, personal digital assistants (PDA's), and wireless networking.
- Other examples of wireless technology: GPS units, garage door openers and or garage doors, wireless computer mice and keyboards, satellite television and cordless telephones.
Types of wireless network :
Wireless wide area networks (WWANs)
Wireless metropolitan area networks (WMANs)
Wireless local area networks (WLANs)
Wireless personal area networks (WPANs)
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Types of wireless technology :
Infra Red
Wireless local area networks (WLANs) , WiFi
Broadband wireless.
Bluetooth,
WiMax
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Web Searching :
- World Wide Web (or WWW, It is called a “web” because the interconnections between documents resemble a spider’s web).
- A software application that makes it easy and possible for nearly anyone to publish and browse hypertext documents on the Internet.
Types of web searching :
-Directories
-Search engines
-Meta-search engines
-Yellow pages
Web Browser :
• Can be defined as a software application used to locate and display web.
• Popular browser
–IE (Internet Explorer)
–Netscape
–Mozilla Firefox
–Safari
–Opera
–Mosaic and ask
How does searching work :
• User Interface–Allows you to type a query and displays the results.
• Searcher –The engine searches the database for matching your query.
• Evaluate–The engine assigns scores to the retrieved information.
• Gatherer–The component that travels the WEB, and collects information.
• Indexer –The engine that categorizes the data collected by the gatherer.
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