real-time

adjective Computers.

1. of or relating to applications in which the computer must respond as rapidly as required by the user or necessitated by the process being controlled.

noun

1. Computers. the actual time elapsed in the performance of a computation by a computer, the result of the computation being required for the continuation of a physical process.
2. the actual time during which a process takes place or an event occurs.

Idioms

3. in real time, Informal. at once; instantaneously.

adjective

1. denoting or relating to a data-processing system in which a computer receives constantly changing data, such as information relating to air-traffic control, travel booking systems, etc, and processes it sufficiently rapidly to be able to control the source of the data

A term used to describe computer systems that update information at the same rate as they receive data.