Computer Network

1
Computer Network

• Definition
• A network of data processing nodes that are
  interconnected for the purpose of data
  communication.
• The networks can be separated by short distances
  or nearly unlimited distances using different
  means of interconnection.

2
Networking Methods

• There are 3 networking methods
• 1. Local Area Network (LAN)?
• 2. Wide Area Network (WAN)?
• 3. Wireless Networks (WLAN, WWAN)?

3
Programming Aspect of Networking

• Networkings involves many different programming
  languages to perform any number of tasks. These
  languages include C, C, and Java.Things that
  can be accomplished with programming are design,
  implementations, debugging, and security of
  network systems.

4
The Internet and HTML
5
Internet

• is a worldwide, publicly accessible series of
  interconnected computer networks that transmit
  data by packet switching using the standard
  Internet Protocol.
• A network of networks
• Services include electronic mail,
• online chat, file transfer, and the
• interlinked web pages and other
• resources of the World Wide
• Web (WWW)

6
Common Uses of The Internet

• E-mail
• World Wide Web
• File-Sharing
• Remote Access
• Collaborative Work
• Streaming Media
• Voice Telephony

7
HTML

• HyperText Markup Language
• Original founder is a Swedish Physicist Tim
  Berners-Lee
• First became the
• standard of Internet
• WebPages in 1995

8
HTML Markup

• Elements- The basic structure of HTML markup
• Attributes- Is the attributes of the elements and
  is in name-value pairs separated by
• Example
• ltelement-name attribute"value"gtContentlt/element-n
  amegt