All questions of Operating System for SSC CGL Exam

Understanding the Role of an Operating System
The Operating System (OS) is a crucial component of computer operations, overseeing various essential functions. However, the correct answer to the question about what the OS manages is actually not option 'A' (Managing all data files), but rather involves multiple aspects, including controlling secondary memory.
Key Functions of an Operating System:

• Managing Memory: The OS handles primary and secondary memory management, ensuring efficient use of RAM and storage devices.
• Device Coordination: It coordinates and manages all connected hardware devices, ensuring they function smoothly and communicate effectively with the CPU.
• File Management: While the OS does manage data files, it encompasses more than just that; it also involves organizing, storing, retrieving, and securing files on storage devices.
• Process Management: The OS oversees the execution of processes, allocating CPU resources and managing the scheduling of tasks to optimize performance.
• User Interface: It provides a user interface (command-line or graphical) that allows users to interact with the computer and access its resources.

Conclusion:
In summary, an Operating System plays a multifaceted role in managing computer operations. While it does manage data files, it is equally responsible for memory management, device coordination, and process management, making it a vital component for seamless computer functionality. Understanding these roles helps in grasping how the OS contributes to overall system efficiency.