File Management Quiz

What is the fundamental unit of storage in an operating system?

• Directory

• Partition

• File

• Block

Which file access technique requires searching from the beginning of the file?

• Random access

• Direct access

• Sequential file access

• Indexed access

What does the file type attribute indicate?

• The location of the file

• The size of the file

• The unique identifier of the file

• The nature or format of the file

Which of the following is an advantage of sequential file access?

• Supports random access

• Faster updating of files

• Simple to understand

• Immediate access to records

What is a disadvantage of direct access file organization?

• Time-consuming searching

• Data may be accidentally erased

• High data redundancy

• Requires sorting of records

In indexed access, what is the primary key used for?

• To access data sequentially

• To order data records

• To identify file ownership

• To manage free space

What is a characteristic of a single-level directory?

• Has a simple architecture with no subdirectories

• Can have multiple directories

• Supports efficient searching

• Allows multiple users to have the same file name

What does the free-space list do?

• Records all disk blocks that are free

• Stores file metadata

• Tracks allocated files

• Manages file permissions

Which method of free space management uses a bit vector?

• Directory structure

• Bitmaps

• Free-space list

• Linked list

What is a disadvantage of contiguous file allocation?

• Improves efficiency

• Supports random access

• No external fragmentation

• Requires knowledge of file size