1. What is the main purpose of design methodologies in real-time systems?
(A) To ignore deadlines
(B) To reduce CPU idle exclusively
(C) To batch process tasks only
(D) To provide structured approaches for developing predictable and reliable systems
2. Top-down design methodology focuses on:
(A) CPU idle exclusively
(B) Starting from high-level system requirements and refining into detailed tasks
(C) Disk batch-only operations
(D) Memory-only allocation
3. Bottom-up design methodology emphasizes:
(A) CPU idle exclusively
(B) Developing and integrating well-tested components into the system
(C) Disk batch-only operations
(D) Memory-only snapshots
4. Incremental design methodology is characterized by:
(A) Gradually developing the system in small, testable increments
(B) CPU idle exclusively
(C) Disk batch-only design
(D) Memory-only allocation
5. Object-oriented design in real-time systems focuses on:
(A) CPU idle exclusively
(B) Encapsulating data and behavior into reusable classes and objects
(C) Disk batch-only operations
(D) Memory-only sequences
6. Structured design methodologies often use:
(A) Memory-only mapping
(B) CPU idle exclusively
(C) Disk batch-only flowcharts
(D) Data flow diagrams and modular decomposition
7. Design methodologies in real-time systems must ensure:
(A) Predictable timing behavior and fault tolerance
(B) CPU idle exclusively
(C) Disk batch-only safety
(D) Memory-only snapshots
8. Model-based design involves:
(A) Memory-only simulation
(B) CPU idle exclusively
(C) Disk batch-only models
(D) Creating formal models to simulate and verify system behavior before implementation
9. Time-driven design methodologies emphasize:
(A) Memory-only sequences
(B) CPU idle exclusively
(C) Disk batch-only tasks
(D) Scheduling and timing constraints from the start of system design
10. Event-driven design methodologies focus on:
(A) System responses to asynchronous events and stimuli
(B) CPU idle exclusively
(C) Disk batch-only events
(D) Memory-only triggers
11. Iterative design methodology helps in:
(A) Memory-only snapshots
(B) CPU idle exclusively
(C) Disk batch-only operations
(D) Refining system design through repeated cycles of development and testing
12. Real-time system design must consider:
(A) CPU idle exclusively
(B) Task priorities, deadlines, and resource constraints
(C) Disk batch-only scheduling
(D) Memory-only allocation
13. Hierarchical design methodologies help by:
(A) Memory-only management
(B) CPU idle exclusively
(C) Disk batch-only layers
(D) Organizing system functions into layers of abstraction for easier management
14. Component-based design methodology emphasizes:
(A) Disk batch-only operations
(B) CPU idle exclusively
(C) Reusing pre-built and well-tested software components
(D) Memory-only components
15. Fault-tolerant design methodologies include:
(A) Redundancy, checkpointing, and recovery mechanisms
(B) CPU idle exclusively
(C) Disk batch-only safety
(D) Memory-only backups
16. Verification and validation in design methodologies ensures:
(A) CPU idle exclusively
(B) Correctness, timing, and reliability of the system
(C) Disk batch-only safety
(D) Memory-only snapshots
17. Safety-critical system design requires:
(A) Rigorous methodologies to prevent failures and ensure predictable behavior
(B) CPU idle exclusively
(C) Disk batch-only design
(D) Memory-only safety
18. Synchronous design methodologies focus on:
(A) Coordinating tasks based on global timing and periodic scheduling
(B) CPU idle exclusively
(C) Disk batch-only synchronization
(D) Memory-only coordination
19. Asynchronous design methodologies focus on:
(A) Memory-only triggers
(B) CPU idle exclusively
(C) Disk batch-only events
(D) Handling tasks triggered by events rather than fixed time schedules
20. The main advantage of structured design methodologies in real-time systems is:
(A) Memory-only efficiency
(B) CPU idle exclusively
(C) Disk batch-only optimization
(D) Improved predictability, reliability, and maintainability of the system