COMPUTER NETWORKING VOCAB

• Computer Network

Two or more connected computers that share data and resources.

• Transmission Media

Something that transfers the data. ex. Bluetooth, hotpots, chord, cable etc.

• Ethernet Network

Uses cables as media.

Cables lead to a connection device that connects the computer together.

• Wireless Network

  • Uses wireless signals as media (invisible).

  • Connect through Bluetooth.

• Modulation & Demodulation

  • The changing of digital signals to analog signals and back.

  • The modem’s job.

• Router

  • A device used to connect networks.

• Switch  

  • Central connection device used to connect computers together in a LAN network.

  • Needs an Ethernet network.

• Access point

  • WAP (wireless access point).

  • Uses wireless media network to connect wireless computers.

• Modem

  • Used to connect phone lines to computer networks.

  • Modulation & demodulation.

• LAN Network

  • Local Area Network.

  • Network of a small geographic area like a building.

• WAN Network

  • Widespread Area Network.

  • Network for a big geographic location like a city.

• NIC Card

  • Network Interface Card,

  • Place that connects the transmission media to the computer.

  • Can be Ethernet or wireless.

• Networked Computer

  • A computer that is connected to a network.

• Standalone Computer

  • A computer that isn't connected to anything.

• TCP/IP

  • Transmission Control Protocol/Internet Protocol.

  • Protocol used to connect the computer to the internet.

  • A way for communication.

• TCP

  • Transmission Control Protocol.

  • Used to translation and communication.

• IP

  • Internet Protocol.

  • Used to assign a unique address to each computer connected to the internet.

• Public IP Address

  • IP addresses available on the internet.

  • For each organization.

• Private IP Address

  • IP addresses not available on the internet.

  • For each computer.

• Private Ranges

  • Created by a nonprofit organization called IANA.

  • 10.X.X.X

  • 192.168.X.X

  • From 172.16.X.X to 172.31.X.X

• Loopback Address

  • Used to test TCP/IP.

  • 125.X.X.X

• APIPA

  • Automatic Private IP Address.

  • 169.245.X.X

  • Is installed on all computers so that there can be an initial connection between them.

  • Limited connectivity (not connected to the internet).

  • Traffic

• Megabits

  • Used for connection speed.

• Megabytes

  • Used for storage amount.

• HTTP & HTTPS

  • Hypertext Transfer Protocol & Hypertext Transfer Protocol Safe.

  • Is assigned to each webpage so people are able to open it.

  • The difference in S which means that it is safe. This S in put on big and important websites like banks and online shopping.

• ISP

  • Internet Service Provider.

  • Connects the computer to the internet.

• HTML

  • Hypertext Markup Language.

  • Is a markup language used to display documents of the World Wide Web.