Microcontroller-based Systems – Real-time Systems MCQs 20 min Score: 0 Attempted: 0/20 Subscribe 1. What is a microcontroller-based system in real-time applications? (A) A system where a microcontroller manages tasks with tight timing constraints (B) A standard PC without real-time requirements (C) A batch-processing server (D) Only a memory module 2. Which of the following is a common feature of microcontroller-based real-time systems? (A) On-chip timers, I/O ports, and interrupts (B) High-level database management (C) Disk-only operations (D) Cloud computing support 3. Microcontroller-based systems are widely used in: (A) Cloud data processing (B) General-purpose desktop applications (C) Embedded control applications like automotive, robotics, and industrial automation (D) Batch-only operations 4. Real-time constraints in microcontroller systems require: (A) Disk batch-only execution (B) CPU idle exclusively (C) Predictable response to events and deadlines (D) Memory-only scheduling 5. Interrupts in microcontroller-based systems are used to: (A) CPU idle exclusively (B) Respond quickly to external or internal events (C) Disk batch-only tasks (D) Memory-only operations 6. Timers in microcontrollers help in: (A) Memory-only clocks (B) CPU idle exclusively (C) Disk batch-only timing (D) Generating periodic events or delays for real-time tasks 7. Microcontroller real-time tasks can be categorized as: (A) Disk batch-only tasks (B) CPU idle exclusively (C) Periodic, aperiodic, or sporadic (D) Memory-only tasks 8. Watchdog timers in microcontroller systems are used to: (A) Detect system hangs and reset the system if necessary (B) CPU idle exclusively (C) Disk batch-only monitoring (D) Memory-only resets 9. Low power consumption is an important characteristic because: (A) Many microcontroller-based systems are battery-powered (B) CPU idle exclusively (C) Disk batch-only systems (D) Memory-only devices 10. Microcontroller-based systems use real-time operating systems (RTOS) to: (A) Memory-only management (B) CPU idle exclusively (C) Disk batch-only tasks (D) Manage tasks, scheduling, and timing constraints efficiently 11. The advantage of on-chip peripherals in microcontrollers is: (A) CPU idle exclusively (B) Reduces latency and improves response time (C) Disk batch-only operations (D) Memory-only usage 12. Real-time scheduling in microcontroller systems ensures: (A) Critical tasks meet their deadlines (B) CPU idle exclusively (C) Disk batch-only execution (D) Memory-only scheduling 13. Interrupt latency in microcontroller-based systems refers to: (A) CPU idle exclusively (B) Time between interrupt generation and start of service (C) Disk batch-only delay (D) Memory-only latency 14. Microcontroller-based systems often have: (A) Unlimited memory (B) CPU idle exclusively (C) Disk batch-only storage (D) Limited memory and processing power requiring efficient design 15. Real-time monitoring in microcontroller systems is necessary for: (A) Disk batch-only monitoring (B) CPU idle exclusively (C) Ensuring correct and timely responses to sensors or events (D) Memory-only checking 16. Microcontroller-based control loops typically operate as: (A) CPU idle exclusively (B) Periodic tasks executing at fixed intervals (C) Disk batch-only tasks (D) Memory-only loops 17. Real-time microcontroller systems often interface with: (A) Sensors, actuators, and other embedded devices (B) CPU idle exclusively (C) Disk batch-only devices (D) Memory-only modules 18. One challenge in microcontroller-based real-time systems is: (A) Disk batch-only handling (B) CPU idle exclusively (C) Handling multiple interrupts and tasks without missing deadlines (D) Memory-only operations 19. Polling in microcontroller systems is generally: (A) Less efficient than interrupts for real-time responsiveness (B) CPU idle exclusively (C) Disk batch-only monitoring (D) Memory-only checking 20. The main advantage of microcontroller-based real-time systems is: (A) Memory-only efficiency (B) CPU idle exclusively (C) Disk batch-only operations (D) Compact, low-cost, reliable, and predictable control of embedded applications Related Posts:Operating systems (OS), Examples of operating systems, Advantages of operating systemsAdaptive Real-time Systems – Real-time Systems MCQsHard vs Soft Real-time Systems - Real-time Systems MCQsReal-time vs General-purpose Systems - Real-time Systems MCQsFieldbus Systems - Real-time Systems MCQsDSP in Real-time Systems - Real-time Systems MCQs