Embedded System Middleware and Scheduling MCQ Quiz – Objective Question with Answer for Embedded System Middleware and Scheduling

The RMS os rate monotonic scheduling is a periodic scheduling algorithm but EDD, LL, and LST are aperiodic scheduling algorithms.

The priority of the task decreases monotonically with respect to their period in the rate of monotonic scheduling, that is, the task with a long period will get a low priority but the task with a short period will get a high priority.

The rate monotonic scheduling is a periodic scheduler algorithm that follows a preemptive algorithm. LL is also preemptive scheduling but it is an aperiodic scheduling algorithm.

The rate monotonic scheduling is a periodic scheduler algorithm that follows a preemptive algorithm and has static priorities. EDF and LL have dynamic priorities.

The rate of monotonic scheduling has to meet six assumptions. These are: All the tasks should be periodic, all the tasks must be independent, the deadline should be equal to the period for all tasks, the execution time must be constant, the time required for the context switching must be negligible, it should hold the accumulation utilization equation.

The earliest deadline first can be applied both to the periodic and aperiodic scheduling algorithm. But LL, LST, and EDD are aperiodic scheduling. It is not applicable to periodic scheduling.

The EDF or the earliest deadline first is a periodic scheduling algorithm that is dynamic but RMS or rate monotonic scheduling is the periodic algorithm that is static. The LL and LST are aperiodic scheduling algorithms.

The sporadic events are connected to the interrupts thereby executing them immediately as possible since the interrupt priority is the highest in the system.

The sporadic events are connected to the interrupts and executed them immediately because the interrupt priority is the highest priority level in the system.

The special sporadic task servers are used that execute at regular intervals and check for ready sporadic tasks which improve the predictability of the whole system.

The special sporadic task servers execute at regular intervals and check for ready sporadic tasks and by this, sporadic tasks are essentially turned into periodic tasks which can improve the predictability of the whole system.

The scheduling-dependent task is more difficult than the independent scheduling task. The problem of deciding whether or not a schedule exists for a given set of dependent tasks and a given deadline is NP-complete.

The rate monotonic scheduling which is an independent scheduling algorithm form the basis for a number of formal proofs of schedulability.

The RMS or rate monotonic scheduling is the independent scheduling algorithm that is included in the assumptions of RMS, that is, all tasks should be independent.