network card
Computer Network
Network
local area network
Peripherals.
No, they only make peripherals for computers not computers themselves.
An internet cable (Ethernet).
An ethernet (NIC) card, a wireless card, a bluetooth card, a firewire card, a USB card, a Sata card, a pcicia/cardbus card, etc.
modems
supercomputer
Well there are many. A few are SSD USB Ethernet Micro USB
A group of computer interconnected via a cable or wireless computers and peripherals that are capable of sharing software and hardware resources between other computers.
Network.
Mostly in peripherals and disk drives.
No, peripherals are things like monitors, keyboards, mice etc. CPU is a major component that a computer must have to operate. It is a processor, all other parts are peripherals. (Some computers, some severs for example, do not need any peripherals to operate.)