OS Real Time Operating Systems(RTOS)

Yes

No

Maybe

None of the mentioned

20

15

50

none of the mentioned

all processes have the same priority

a task must be serviced by its deadline period

process scheduling can be done only once

kernel is not required

wind microkernel

linux kernel

unix kernel

none of the mentioned

relocation register method

real addressing

virtual addressing

none of the mentioned

hard real time functionality

soft real time functionality

protection of memory

none of the mentioned

preemptive kernels

non preemptive kernels

preemptive kernels or non preemptive kernels

neither preemptive nor non preemptive kernels

periods

deadlines

burst times

none of the mentioned

0.90

0.74

0.94

0.80

RTLinux

VxWorks

Windows CE

All of the mentioned