A chunk of data sent over a network. Larger messages are divided into packets that may arrive at the destination in order, out-of-order, or not at all.

A type of computer that forwards data across a network

a system of linked pages, programs, and files.

Data about Data. In internet traffic, this is used to keep track of the data associated with internet packets such as IP addresses and date and time.

Protocol responsible for managing the packets of data sent over the internet. Checks for total number of packets and the correct order. Will request any missing packets to be resent.

differing access to computing devices and the Internet, based on socioeconomic, geographic, or demographic characteristics

Can continue to function even in the event of individual component failures. This is important because elements of complex systems like a computer network fail at unexpected times, often in groups.

the series of connections between computing devices on a network starting with a sender and ending with a receiver.

a group of computing devices and programs working together for a common purpose

Protocol that assigns all computing devices on the internet a unique address

The unique number assigned to each device on the Internet.

Protocol used to request and send HTML web page files from one computer to another.