OS Real Time Operating Systems(RTOS)

provide non preemptive kernels

provide preemptive kernels

make it user programmed

run less number of processes at a time

shorter duration job has higher priority

longer duration job has higher priority

priority does not depend on the duration of the job

none of the mentioned

threads fly-back time

jitter

context switch time

none of the mentioned

process latency

dispatch latency

execution latency

interrupt latency

there is a lot of cost involved

time consumption overhead

absence of memory protection between processes

restricted access to memory locations by processes

minimize

maximize

not bother about

none of the mentioned

the amount of time an event takes to occur from when the system started

the amount of time from the event occurrence till the system stops

the amount of time from event occurrence till the event crashes

the amount of time that elapses from when an event occurs to when it is serviced.

earliest deadline first

rate monotonic

first cum first served

priority

from the occurrence of an event to the arrival of an interrupt

from the occurrence of an event to the servicing of an interrupt

from arrival of an interrupt to the start of the interrupt service routine

none of the mentioned

earliest deadline first scheduling

proportional share scheduling

equal share scheduling

none of the mentioned