The document discusses the basic components and applications of the Internet. It describes how the Internet uses TCP/IP protocols to connect devices over wide area networks and broadband connections. Internet service providers allow users to access the global network through an IP address and domain name system. Popular uses of the Internet mentioned include the World Wide Web accessed through web browsers, email, communication tools, social media, and e-commerce. The document also notes common types of malware like viruses, worms, Trojan horses, spyware, and unwanted programs like adware and spam.

2. Internet )
TCP/IP (Transmission
Control Protocol / Internet Protocol)
WAN
WAN

4. broadband Internet connection)
Asymmetric Digital Subscriber Line: ADSL)
Internet Service Provider: ISP)

5. Transmission Control Protocol|Internet Protocol : TCP | IP)

6. IP address)
Domain Name System : DNS)
www.ipst.ac.th

7. World Wide Web)
WWW
web browser)

8. - e-mail)
- real time communication)
- social networking Web sites)
- microblog)
- Really Simple Syndication: RSS )
- electronic commerce e – commerce )

9. malware )
virus )

10. worm )
trojan horse )
spyware )
key-logger)
adware )
pop – up )
spam )
junk mail )

16. https://sites.google.com/site/kruyutsbw/5-5-phlk-ra-thb-cak-kar-chi-internet