Internet and Networking Concepts

Used to translate domain names into IP addresses.

A protocol that defines the structure of an Internet address and assigns a unique address to every device on the Internet.

A group of two or more computer systems linked together, typically connected through routers.

Able to send bits from router to router across long distances, but they are very expensive. Primarily used by Internet Service Providers (ISP).

The amount of data (in bits) that can be sent in a fixed amount of time. A bit is the smallest unit of data that a computer can store and is a 1 or a 0.

The capacity of data transfer in a system. Measured by bitrate.

The time it takes for a bit to travel from sender to receiver. Fiber optic cables have low latency.

A philosophy of making information and knowledge open and accessible to all people. A network of networks built on open, agreed upon protocols.

A widely agreed upon set of rules that standardize communication between machines.

Science that harnesses the power of many individuals to solve hard, complex problems.