Q7.Marks: +2.0UGC NET Paper 2: Computer Science 2nd January 2026 Shift 1
Which of the following is correct about Real time operating system.
A. It permits creation of multiple processes within an application.
B. It does not permit priorities to be assigned to processes.
C. It permits a programmer to define interrupts and interrupt processing routines.
D. It does not uses priority driver or deadline oriented scheduling.
E. It provides fault tolerance and graceful degradation capabilities.
Choose the correct answer from the options given below:
1.A, B & D Only
2.B, C & D Only
3.A, C & E Only✓ Correct
4.B, D & E Only
Solution
The correct answer is A, C & E Only.
Key Points
Real-time operating systems (RTOS) are designed to execute processes within a defined time constraint and are widely used in time-critical applications.
RTOS permits the creation of multiple processes within an application, enabling efficient multitasking and resource management.
It allows programmers to define interrupts and interrupt processing routines, ensuring responsive system behavior.
RTOS provides fault tolerance and graceful degradation capabilities, ensuring the system continues to function even in the presence of partial failures.
It uses priority-driven or deadline-oriented scheduling techniques to ensure timely execution of tasks.
Additional Information
Features of RTOS:
Supports real-time task scheduling to meet strict timing constraints.
Offers mechanisms for inter-process communication and synchronization.
Provides deterministic behavior to ensure predictability in task execution.
Applications of RTOS:
Used in embedded systems such as automotive control systems, medical devices, and robotics.
Essential in telecommunications for network switches and routers.
Applied in industrial automation for process control and monitoring systems.
Advantages of RTOS:
Ensures timely and predictable execution of tasks.
Improves system reliability and fault tolerance.
Optimizes resource utilization in time-critical applications.
Important Points:
RTOS is suitable for applications requiring high responsiveness and reliability.
Proper configuration and priority assignment are crucial for optimal performance.
It is widely used in scenarios where delays or failures can have serious consequences.