Tech+ OS Quiz: Operating System Fundamentals

1. In NTFS, what is an attribute that stores file metadata such as creation time?

File descriptor

Inode

Extended attribute

Cluster pointer

Submit

3. What is the primary advantage of using a journaling file system?

Improved read and write speed

Enhanced recovery from system crashes

Reduced disk space requirements

Simplified user file management

4. True or False: Context switching has no performance overhead in modern operating systems.

True

False

5. Which OS component is responsible for enforcing access permissions and protecting resources?

Bootloader

Device driver

Security manager

Shell interpreter

Submit

7. What is the purpose of the interrupt handler in an operating system?

Manages user input from keyboards and mice

Responds to signals from hardware and software events

Allocates memory to running processes

Compresses files on disk

8. True or False: Symmetric multiprocessing (SMP) allows multiple CPUs to share a single memory bus.

True

False

9. Which access control model uses rules to define who can access specific resources?

Discretionary Access Control (DAC)

Mandatory Access Control (MAC)

Role-Based Access Control (RBAC)

Attribute-Based Access Control (ABAC)

Submit

11. What is the primary role of the kernel in an operating system?

Manages hardware resources and mediates between applications and hardware

Provides a graphical user interface for end users

Stores all user files and documents

Compiles source code into executable programs

12. What does the term 'thrashing' refer to in virtual memory systems?

Rapid, excessive page swapping that degrades performance

Deleting temporary files automatically

Compressing data in memory

Prioritizing high-traffic processes

13. True or False: User mode allows applications unrestricted access to all hardware resources.

True

False

14. Which of the following is a characteristic of a real-time operating system?

Supports multitasking for consumer applications

Guarantees deterministic response times to events

Maximizes graphical performance

Prioritizes ease of use over performance

Submit

16. Which memory management technique divides memory into fixed-size blocks called frames?

Segmentation

Paging

Swapping

Caching

17. True or False: The file allocation table (FAT) is the most modern file system used in contemporary operating systems.

True

False

18. What is a deadlock in the context of process management?

When a process terminates unexpectedly

When two or more processes are blocked waiting for resources held by each other

When the CPU becomes overloaded

When a process exceeds its memory allocation

Submit

20. Which process scheduling algorithm gives each process a fixed time slice called a quantum?

First Come First Served

Round Robin

Shortest Job First

Priority Scheduling

Tech+ OS Quiz: Do You Know How Systems Work?

1. In NTFS, what is an attribute that stores file metadata such as creation time?

2.

What first name or nickname would you like us to use?

2. A _____ is a named location in memory that holds a value and can be modified during program execution.

3. What is the primary advantage of using a journaling file system?

4. True or False: Context switching has no performance overhead in modern operating systems.

5. Which OS component is responsible for enforcing access permissions and protecting resources?

6. The _____ is the data structure that holds information about open files and their associated resources.

7. What is the purpose of the interrupt handler in an operating system?

8. True or False: Symmetric multiprocessing (SMP) allows multiple CPUs to share a single memory bus.

9. Which access control model uses rules to define who can access specific resources?

10. A system call provides the interface between _____ and the operating system kernel.

11. What is the primary role of the kernel in an operating system?

12. What does the term 'thrashing' refer to in virtual memory systems?

13. True or False: User mode allows applications unrestricted access to all hardware resources.

14. Which of the following is a characteristic of a real-time operating system?

15. A _____ is a lightweight process that shares the same memory space with other threads in a process.

16. Which memory management technique divides memory into fixed-size blocks called frames?

17. True or False: The file allocation table (FAT) is the most modern file system used in contemporary operating systems.

18. What is a deadlock in the context of process management?

19. Virtual memory allows a system to use _____ as an extension of RAM.

20. Which process scheduling algorithm gives each process a fixed time slice called a quantum?