File Systems in Operating Systems: MCQ Test for Learners
Questions: 30
Questions
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1. What is the primary function of a file system in an operating system?
- a) To allocate memory to running processes
- b) To manage files and directories on storage devices
- c) To handle user authentication and permissions
- d) To control hardware interactions with the CPU
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2. Which file allocation method uses fixed-sized blocks linked together?
- a) Contiguous allocation
- b) Indexed allocation
- c) Linked allocation
- d) Variable allocation
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3. What type of file stores system configuration and settings?
- a) Text file
- b) Binary file
- c) Directory file
- d) Configuration file
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4. The file control block (FCB) contains information about:
- a) CPU scheduling
- b) Process memory allocation
- c) File attributes and metadata
- d) Cache memory structure
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5. In which file allocation method does each file have its own index block?
- a) Contiguous allocation
- b) Indexed allocation
- c) Linked allocation
- d) Hash-based allocation
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6. What is the purpose of a directory in a file system?
- a) To store temporary files
- b) To manage and organize files
- c) To allocate memory for processes
- d) To control access to external devices
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7. Which term refers to the smallest unit of storage in a file system?
- a) Sector
- b) Cluster
- c) Block
- d) Byte
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8. The process of mapping logical file names to physical locations on storage is known as:
- a) File indexing
- b) Address resolution
- c) Path mapping
- d) File allocation
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9. Which of the following is not a file attribute?
- a) File size
- b) File type
- c) File priority
- d) File permissions
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10. What is the primary advantage of indexed file allocation?
- a) Sequential access efficiency
- b) Easy direct access to file blocks
- c) Reduced storage overhead
- d) Simplified file management
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11. What does a file system journal track?
- a) User access history
- b) Changes to files and directories
- c) Physical storage locations
- d) File permission updates
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12. Which directory structure allows files to have multiple parent directories?
- a) Single-level directory
- b) Tree-structured directory
- c) Graph directory structure
- d) Multi-level directory
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13. The FAT file system is primarily used in:
- a) Linux-based systems
- b) Windows-based systems
- c) macOS systems
- d) Mobile devices only
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14. A file extension is typically used to indicate:
- a) File size
- b) File permissions
- c) File type
- d) File owner
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15. What is a superblock in a file system?
- a) A block containing metadata about the file system
- b) A block storing user data
- c) A block used for caching frequently accessed files
- d) A backup block for the root directory
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16. The process of reducing file size without losing data is called:
- a) Compression
- b) Encryption
- c) Clustering
- d) Defragmentation
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17. What type of access method is used when data is retrieved in the order it is stored?
- a) Direct access
- b) Indexed access
- c) Sequential access
- d) Random access
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18. The NTFS file system is known for its support of:
- a) Small file sizes only
- b) Limited directory structures
- c) Advanced security and large storage capacities
- d) No journaling capabilities
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19. The command used to list files and directories in a Unix-like system is:
- a) mkdir
- b) ls
- c) rm
- d) cp
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20. A contiguous file allocation method is best suited for:
- a) Random access
- b) Sequential access
- c) Multi-user environments
- d) Large, fragmented storage systems
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21. What is a key disadvantage of linked file allocation?
- a) Complex directory management
- b) Difficulty in accessing large files sequentially
- c) Lack of direct access capability
- d) Increased storage overhead
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22. In Linux, the inode stores information about:
- a) File contents
- b) File location on disk
- c) File metadata
- d) Directory structure
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23. Which of the following is not a valid file operation?
- a) Create
- b) Rename
- c) Delete
- d) Share
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24. A RAID system primarily provides:
- a) Increased memory allocation
- b) Fault tolerance and improved performance
- c) File encryption
- d) Process management
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25. File permissions in Linux are typically represented by:
- a) Binary values
- b) Decimal numbers
- c) Octal numbers
- d) Hexadecimal codes
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26. The Ext4 file system is commonly used in:
- a) Windows operating systems
- b) Unix-like operating systems
- c) macOS operating systems
- d) Embedded systems
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27. A dangling pointer in file systems refers to:
- a) A file that cannot be accessed due to broken links
- b) A file that is hidden from the user
- c) A corrupted directory structure
- d) A file block without metadata
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28. The process of reorganizing data on disk to reduce fragmentation is called:
- a) Compression
- b) Defragmentation
- c) Journaling
- d) Formatting
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29. What is the primary purpose of file encryption?
- a) To optimize file retrieval
- b) To protect file content from unauthorized access
- c) To reduce file size
- d) To improve system performance
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30. A boot sector in a file system contains:
- a) File allocation table
- b) Metadata about all files
- c) Bootloader code for starting the operating system
- d) A directory tree structure
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