File Systems in Operating Systems: MCQ Test for Learners
Master file systems in operating systems with this MCQ test. Explore key concepts like file types, directories, allocation methods and access controls to boost your knowledge.
Questions (30)
-
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
View Answer
Correct To manage files and directories on storage devices -
Which file allocation method uses fixed-sized blocks linked together?
- a) Contiguous allocation
- b) Indexed allocation
- c) Linked allocation
- d) Variable allocation
View Answer
Correct Linked allocation -
What type of file stores system configuration and settings?
- a) Text file
- b) Binary file
- c) Directory file
- d) Configuration file
View Answer
Correct Configuration file -
The file control block (FCB) contains information about:
- a) CPU scheduling
- b) Process memory allocation
- c) File attributes and metadata
- d) Cache memory structure
View Answer
Correct File attributes and metadata -
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
View Answer
Correct Indexed allocation -
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
View Answer
Correct To manage and organize files -
Which term refers to the smallest unit of storage in a file system?
- a) Sector
- b) Cluster
- c) Block
- d) Byte
View Answer
Correct Block -
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
View Answer
Correct File allocation -
Which of the following is not a file attribute?
- a) File size
- b) File type
- c) File priority
- d) File permissions
View Answer
Correct File priority -
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
View Answer
Correct Easy direct access to file blocks -
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
View Answer
Correct Changes to files and directories -
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
View Answer
Correct Graph directory structure -
The FAT file system is primarily used in:
- a) Linux-based systems
- b) Windows-based systems
- c) macOS systems
- d) Mobile devices only
View Answer
Correct Windows-based systems -
A file extension is typically used to indicate:
- a) File size
- b) File permissions
- c) File type
- d) File owner
View Answer
Correct File type -
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
View Answer
Correct A block containing metadata about the file system -
The process of reducing file size without losing data is called:
- a) Compression
- b) Encryption
- c) Clustering
- d) Defragmentation
View Answer
Correct Compression -
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
View Answer
Correct Sequential access -
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
View Answer
Correct Advanced security and large storage capacities -
The command used to list files and directories in a Unix-like system is:
- a) mkdir
- b) ls
- c) rm
- d) cp
View Answer
Correct ls -
A contiguous file allocation method is best suited for:
- a) Random access
- b) Sequential access
- c) Multi-user environments
- d) Large, fragmented storage systems
View Answer
Correct Sequential access -
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
View Answer
Correct Lack of direct access capability -
In Linux, the inode stores information about:
- a) File contents
- b) File location on disk
- c) File metadata
- d) Directory structure
View Answer
Correct File metadata -
Which of the following is not a valid file operation?
- a) Create
- b) Rename
- c) Delete
- d) Share
View Answer
Correct Share -
A RAID system primarily provides:
- a) Increased memory allocation
- b) Fault tolerance and improved performance
- c) File encryption
- d) Process management
View Answer
Correct Fault tolerance and improved performance -
File permissions in Linux are typically represented by:
- a) Binary values
- b) Decimal numbers
- c) Octal numbers
- d) Hexadecimal codes
View Answer
Correct Octal numbers -
The Ext4 file system is commonly used in:
- a) Windows operating systems
- b) Unix-like operating systems
- c) macOS operating systems
- d) Embedded systems
View Answer
Correct Unix-like operating systems -
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
View Answer
Correct A file that cannot be accessed due to broken links -
The process of reorganizing data on disk to reduce fragmentation is called:
- a) Compression
- b) Defragmentation
- c) Journaling
- d) Formatting
View Answer
Correct Defragmentation -
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
View Answer
Correct To protect file content from unauthorized access -
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
View Answer
Correct Bootloader code for starting the operating system
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