OS 50+ MCQS

What is the role of an operating system?

• Managing computer hardware and software resources
• Creating user interfaces
• Optimizing application performance
• All of the above

Which of the following is not a function of an operating system?

• Process management
• Memory management
• File system management
• Application development

What is the importance of operating systems in resource management?

• Ensuring efficient utilization of computer resources
• Providing a user-friendly interface
• Enabling multitasking
• Implementing security mechanisms

Which type of operating system supports multiple users accessing the system simultaneously?

• Single-User, Single-Tasking
• Single-User, Multi-Tasking
• Multi-User
• Real-Time

Which operating system type is commonly found in embedded systems, robotics, and industrial automation?

• Single-User, Single-Tasking
• Single-User, Multi-Tasking
• Multi-User
• Real-Time

Which type of operating system allowed interactive computing and rapid switching between multiple users?

• Batch Processing
• Time-Sharing Systems
• Personal Computers
• Networked Systems

Which component of an operating system is responsible for managing essential functions and providing hardware abstraction?

• Kernel
• Device Drivers
• File System
• User Interface

What is a process in an operating system?

• A software program that manages computer resources
• An instance of a running program managed by the operating system
• A file stored on the hard drive
• An input/output device

Which operating system component is responsible for allocating and tracking memory resources?

• Kernel
• Device Drivers
• File System
• Memory Management

What is virtual memory in operating systems?

• A technique to use more memory than physically available
• A type of memory used in embedded systems
• A mechanism to allocate memory to processes
• A type of memory used for cache