Definitions

There is a wide variety of definitions related to Real-Time, systems dealing with Real-Time and the services that they provide.

All of these definitions have in common the fact that express the dependency of a computer system on the time, as it exists in a particular physical process.

Real-Time Service or Function

Which must be performed or provided within finite time intervals imposed by a physical process.

Real-Time System

One who contains at least one feature of real-time or at least providing a service of real-time.

Real-Time Science

Branch of computer science that studies the introduction of Real-Time in computational systems.

Real-Time Computation

The computation results must be (Stankovic, 1988):

• Logically correct;

• Delivered on time.