Real-time Task Models – Real-time Systems MCQs 20 min Score: 0 Attempted: 0/20 Subscribe 1. What is a task in a real-time system? (A) A communication channel (B) A hardware component (C) A memory storage block (D) A unit of computation with timing constraints 2. Which real-time task model is triggered at fixed time intervals? (A) Aperiodic task (B) Sporadic task (C) Periodic task (D) Background task 3. Which task arrives unpredictably but with a minimum inter-arrival time? (A) Periodic task (B) Aperiodic task (C) Sporadic task (D) Cyclic task 4. Which task model does NOT have a fixed arrival pattern? (A) Periodic (B) Aperiodic (C) Cyclic (D) Time-triggered 5. In a periodic task model, the time between successive task releases is called: (A) Deadline (B) Period (C) Execution time (D) Response time 6. Which parameter defines the maximum time a task can take to execute? (A) Period (B) Deadline (C) Worst-case execution time (D) Release time 7. Which task model is best suited for sensor data sampling? (A) Periodic task (B) Sporadic task (C) Aperiodic task (D) Background task 8. Which task is typically used for handling interrupts? (A) Periodic task (B) Background task (C) Cyclic task (D) Sporadic task 9. Which task model is usually served in the background without strict deadlines? (A) Hard real-time task (B) Time-triggered task (C) Periodic task (D) Aperiodic task 10. What does the release time of a task indicate? (A) Task completion time (B) Task start deadline (C) Time when task is preempted (D) Time when task becomes ready 11. Which task model has predictable execution patterns? (A) Periodic (B) Sporadic (C) Event-driven (D) Aperiodic 12. Which real-time task model is event-driven? (A) Sporadic (B) Periodic (C) Cyclic executive (D) Time-triggered 13. Which parameter helps determine schedulability of a task set? (A) Cache size (B) Task priority (C) Worst-case execution time (D) Network speed 14. Which task model executes continuously when CPU is idle? (A) Periodic (B) Background task (C) Sporadic (D) Time-triggered task 15. In which task model does each instance have a deadline? (A) General-purpose task (B) Background task (C) Real-time task (D) Batch task 16. Which task model is commonly used in control systems? (A) Periodic (B) Background (C) Sporadic (D) Aperiodic 17. Which task arrival type has known minimum separation between arrivals? (A) Aperiodic (B) Periodic (C) Background (D) Sporadic 18. Which task model is also known as time-triggered? (A) Aperiodic (B) Periodic (C) Sporadic (D) Event-driven 19. Which task parameter defines urgency? (A) Execution time (B) Period (C) Deadline (D) Release time 20. Which task model provides the highest predictability? (A) Aperiodic (B) Sporadic (C) Background (D) Periodic Related Posts:Task Parameters (Period, Deadline, WCET) - Real-time Systems MCQsTask Synchronization - Real-time Systems MCQsTask Communication - Real-time Systems MCQsFATF Financial Action Task Force MCQsThe Task MCQs and SummaryThreads, Multithreading, Types Models in Operating Systems (OS)
