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| 3.1.1 Basic Concept Of Network.! (Mari Kita Kongsi!!) What Is a Network? A network is a collection of computers and devices connected together via communications devices and transmission media
~Shelly Cashman~
-A communications device is any type of hardware capable of transmitting data, instructions, and information between a sending device and a receiving device
~Shelly Cashman~
COMMUNICATION DEVICES :)
•A dial-up modem is a communications device that can convert •digital signals to analog signals •analog signals to digital signals
•A digital modem is a communications device that sends and receives data and information to and from a digital line. •Three types of digital modems are ; 1.ISDN modems 2.DSL modems 3.Cable modems. Wireless Modems •Wireless modems, which have an external or built-in antenna, are available as 1.USB flash drives 2.ExpressCard modules 3.PC Cards 4.Memory cards. Network Card •A network card, sometimes called a network interface card (NIC)
Wireless Access Points •A wireless access point is a central communications device •Allows computers and devices to transfer data wirelessly among themselves or to transfer data wirelessly to a wired network
More Explaination on http://www.maxi-pedia.com/wireless+access+point+WAP
Router
•A router is a communications device that connects multiple computers or other routers together and transmits data to its correct destination on a network.
•Routers also support wireless communications , eliminating the need for a separate wireless access point in a wireless network
Hubs and Switches
• A hub or switch is a device that provides a central point for cables in a network
Labels: sc_comp_note, sc_comp_note 05/10/2015 |