There are two types of real-time systems depending on the consequences of missing the deadline. A real-time system risks total system failure if the predicted time deadline is missed.

Hard real-time system

Explanation:

A real-time system can be said to be a system in which processing of data is carried out within its time limits. In other words, real-time systems as the name implies are time based.

There are two (2) types of real-time systems depending on the consequences of missing the deadline, namely;

1. Hard real-time system

2. Soft real-time system

Hard real-time systems risk total system failure if the predicted time deadline is missed. Missed deadline in hard real-time systems are normally accompanied by catastrophic events. Perfect examples of hard real-time system include the flight controller system, the heart pacemaker etc.

Soft real-time systems do not risk total system failures if the time deadline is missed. Missed deadlines are not accompanied by catastrophic events in soft real-time systems. Examples of soft real-time system include, online retail outlets etc.

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