What instruments are importent for networking computer?🙁

We know that hardware componants are very importent for computers to connectnetwork.and they componants are-(1)NIC(NETWORK INTERFACE CARD) (2)RJ-45(Registerd jack) (3)HUB (4)Transmission channel (5)Networking operating systm

NETWORKING INTERFACE CARD- This card was usely named nic or network card,that was a hardware device.therefor a computer was connected with network.nic has a printing curcit bord that was instaled in extention slot and there has a slot on back of computer therefor a network cable has been connected.because nic has direct connect with io/bus of computer.so his design was very importent.networks communition had a different nic for network.

REGISTER JACK-he was connected LAN to computer and it has eight wires in his connector.that was the simple work of register jack.

HUB-hub was connected many computers.in a simple hub therehad a 4 port hub.but in the advansed and new hubs there had many ports .it was a simple ane small device but it's wark was very biger.

TRANSMISSION CHANNEL-it is the physical means by which data is received and transmitted thismeans are- twist pair cable,coaxial cable,and optical fiber ect.

NETWORKING OPRATING SYSTM-for networking we want some usefull oprating systm.some oprating systm that was used commonly-(1)novell netware(2)artisoft's lan tastick(3)ms window server(4)window nt Thank you!