COMPUTER NETWORKS
NETWORK HARWARE
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Understanding Network Hardware: A Comprehensive Guide, Summaries of Computer Networks
A detailed overview of network hardware, explaining the essential devices that facilitate interaction and communication between hardware units on a computer network. It covers topics such as network interface card (nic), modem, hub, switch, repeater, router, bridge, and gateway, discussing their functions, varieties, and uses. The document also clarifies the differences between these devices and their roles in connecting similar and dissimilar networks.
Typology: Summaries
2023/2024
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COMPUTER NETWORKS
NETWORK HARWARE
WHAT IS NETWORK HARDWARE?
Network hardware is a set of physical or network devices that are essential for interaction and communication between hardware units operational on a computer network.
HARDWARE NETWORK:
NETWORK INTERFACE CARD ( NIC )
MODEM
HUB
SWITCH
REPEATER
ROUTER
BRIDGE
GATEWAY
1.NETWORK INTERFACE CARD ( NIC ):
(^) NIC is a device attached to each workstation and server (^) The NIC provides a physical connection between the networking cable and the computer (^) NIC is comes in three varieties : (^) 8-bit (^) 16-bit (^) 32-bit and more (^) Most NIC ‘s are internal with the card Fitting into an expansion slot in the computer Or build in the motherboard.
3.HUBS:
(^) A hub is device that provides the central connections point for cable from computer and other peripherals (^) On this network all the computers can communicate directly with each other (^) All the nodes connected to the hub share the bandwidth among themselves (^) Supports 8,12 or 24 ports
4.Switch:
(^) A switch is a small hardware devices that joins multiple computers together within one local area network(LAN). (^) A switch generally contains more intelligence than a hub.
6.Router:
(^) It is a device to interconnect SIMILAR network. E.g. similar protocols , similar workstations and similar servers (^) A router is a electronic device that interconnects two or more computer networks , and interchanges packets of data between them.
7.Bridge :
(^) A bridge is a device that connects the local area network to another local area network that uses the same protocol. (^) The function of the bridge is to connect separate networks together that are of the same type of protocol.
WHAT IS THE DIFFERENCE?
ROUTER
Device to connect similar network
BRIDGE
Device to interconnec t two LAN’s that use the same
protocol^ GATEWAY
Device to interconnec t DISSIMILAR protocols and servers, LAN’s and equipment.
THANK YOU DONE BY : RAMYA.R II- BCA