Historically speaking real time was not actually about absolute timing but the guarantee offered about a task's completion within a time slice. More info here:

Historically speaking real time was not actually about absolute timing but the guarantee offered about a task's completion within a time slice. More info here: https://en.m.wikipedia.org/wiki/Real-time_computing#Criteria_for_real-time_computing https://en.m.wikipedia.org/wiki/Real-time_computing#Criteria... Also look up RISC and RTOS