Term | Definition |
computer network | is a collection of computers and other hardware devices that are connected together to share hardware, software, and data as well as communications |
digital data | sent as 0s or 1s |
analog data | sent as continuous waves |
ethernet | A widely used communications protocol for a LAN and uses twisted pair or coaxial cables |
TCP/IP | The communications protocol that uses packet switching to facilitate the transmission of messages |
intranet | A private network, set up similar to the WWW, that usually gives employees access to company publications |
IP Address | A numeric Internet address used to uniquely identify a computer on the internet |
Peer to Peer network | All computers in this network are on the same level and users have direct access to the other computers and the peripherals attached to the network |
wired network | A network in which PC’s are connected to the network by cables |
wireless network | A network in which PC’s are connected to the network without physical cables |
Local Area Network (LAN) | A network that covers a small geographic area |
Wide Area Network (WAN) | A network that covers a wide geographic area |
Bluetooth | a standard for low-cost, short-range, wireless connections between Bluetooth-enabled devices |
WIFI | is a local area wireless computer networking technology that allows electronic devices to connect to the network, mainly using the 2.4 gigahertz (12 cm) UHF and 5 gigahertz (6 cm) SHF ISM radio bands ( |
Twisted pair cable | Pairs of wires twisted together used for telephone and network connections |
Coaxial cable | Thick center wire used for cable TV and network connections |
Fiber Optic Cable | Glass or fiber strands through which light can pass for high-speed communications. |
gateway | A device that connects two computer networks that use different protocols. |
router | A device connects computers to a network and finds the best path for data to travel to other networks |
cable modem | A device that connects a PC or Internet Access device to an Internet connection. |
server | A system that provides network services such as file storage and file transfer |
topology | refers to the layout of connected devices |
telecommunications | communication of data from one device to another over a distance |