Sunday, November 9, 2014

Chapter#6 important notes: Computer networks

  • What is a computer network? When all computer are connected to each other and work together exchanging data and information with each other.

  • What are broadband? Tolls for computer to communicate with each other. For example: Coaxial cable, fiber optics and wireless.

  • Size of computer networks; Home computer network ( small network ), National computer network ( for the whole organization ), and global computer network ( world wide network ).

  • What is LAN? Local Area Network. Example: SQU computers connect to each other.

  • What is Enterprise Network? network within the organization and has a main controller or a server which control other computers.

  • What does Analog and Digital Signals do? carry data to other computers/

  • Most computer use Digital signals to send one data to another.

 

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