Commonwealth Computer Navigator's Certificate

Information Networks Section Overview Welcome to this section on Information Network. After studying this section you will be able to understand the concept of networks, differentiate between Intranet, Extranet and Internet and know about differnet types of communication technologies Networks Outcomes In this tutorial we will: distinguish between Local Area Network (LAN) and Wide Area Network (WAN) understand the term client/ server Advantages of Networking Outcomes In this tutorial we will: know the advantages associated with group working such as: sharing printers, applications and files across a network Intranet, Extranet and Internet Outcomes In this tutorial we will: differnetiate between intranet, extranet and Internet know about the uses of the Internet Uses of Internet Outcomes In this tutorial we will: Understand what the Internet is and know some of its main uses. World Wide Web Outcomes In this tutorial we will: understand what the World Wide Web (WWW) is distinguish it from the Internet The Telephone Network in Computing Outcomes In this tutorial we will: know about the use of telephone network in computing understand the terms Public Switched Telephone Network (PSTN), Integrated Services Digital Network (ISDN), Asymmetric Digital Subscriber Line (ADSL) Communication Terminology Outcomes In this tutorial we will: Understand the terms analogue, digital, modem, transfer rate, measured in bps - (bits per second)