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Global network capable of transmitting information from anywhere in the world to any other point

• Internet.

• Graphics editor.

• Programming language.

• Word processor.

• Branches software.

Characteristics of Global network Internet

• Elementary.

•  World-wide global system.

• The computer is identified by a unique mask.

• Closed.

• Clarity.

 IP address of computer is a unique logical address  and exhibits the following properties:

• Relative.

• 8 bits (1 bytes) long.

•  32 bits (5 bytes) long.

•  Unique address.

• Absolute.

 Address which uniquely identifies a document over the internet

• Mathcad.

•  Hypertext Markup Language, for creating websites.

• Uniform Resource Locator (URL).

• IP address.

• Notebook

Social networking sites in Internet (2):

• MS Word.

• WinRar.

• Mathcad.

• Facebook.

• Notebook.

Communication Services of Internet:

• Browser

• File system.

•  File Transfer Protocol (FTP).

•  Electronic Mail.

• Transformation of information.

 Information Retrieval  Services  of  Internet

• Electronic Mail.

•  File Transfer Protocol (FTP).

• Internet Telephony (VoIP)

• Browser.

• Internet Relay Chat (IRC).

 Web services of Internet:

• World Wide Web (WWW).

•  File Transfer Protocol (FTP).

• Internet Telephony (VoIP).

• DNS.

• Internet Relay Chat (IRC).

Services provided by the Internet:

• Internet Telephony (VoIP).

• File Transfer Protocol (FTP).

• Web Browser.

• DNS.

• Internet Relay Chat (IRC).

Types of Web Browsers :

• MS Word.

• WinZip.

• Google Chrome.

• Twitter.

• WinRar.