dineshbakshi.com

  • Increase font size
  • Default font size
  • Decrease font size
You are here: IGCSE ICT Computer Networks

Want to find out more ? Type here

download-mindmaptry-crosswordtry-gapfillwatch-presentation

Computer Networks

Learning Outcomes

At the end of this unit the students should be able to:

  • describe a modem and its purpose;
  • state the difference between analogue data and digital data;
  • explain the need for conversion between analogue and digital data;
  • identify the advantages and disadvantages of using common network environments such as the Internet;
  • describe what is meant by the terms user id and password, stating their purpose and use;
  • identify a variety of methods of communication such as fax, e-mail, bulletin boards, and tele/video conferencing;
  • define the terms Local Area Network (LAN), Wireless Local Area Network and Wide Area Network (WAN);
  • describe the difference between LANs, WLANs and WANs, identifying their main characteristics;
  • identify the different network topologies (including star, ring, bus and hybrid);
  • describe the characteristics and purpose of common network environments, such as intranets and the Internet;
  • describe common network devices (including hubs, routers, bridges, switches and proxy servers)
  • discuss the problems of confidentiality and security of data, including problems surrounding common network environments;
  • identify the need for encryption, authentication techniques, including the use of User identification and passwords, when using common network environments such as the Internet.

 

 
  • Revision Notes ( 9 Articles )
  • Interactive Quizzes ( 6 Articles )

Facebook Comments

Share on Myspace

Content of this website is protected by copyright laws. Please refer to our terms of use

Download our Android app