Exploring File Formats and Systems

The video explores how computers store and organize data using file systems. It begins with an introduction to data storage and the concept of file systems. The video then delves into file formats, explaining how metadata is used to interpret data within files. It covers the basics of file storage and management, including the role of directory files and flat file systems. The discussion progresses to modern file systems, addressing issues like fragmentation and defragmentation. Finally, the video introduces hierarchical file systems, explaining how they allow for organized storage of files and directories.

Which character encoding is used by TXT files?

• Binary

• Unicode

• UTF-8

• ASCII

What type of data do TXT files primarily store?

• Images

• Video

• Audio

• Text

What does the metadata in a WAV file typically include?

• File size

• Pixel dimensions

• Bit rate and track information

• Color depth

What primary colors are combined in a BMP file to represent different colors?

• Orange, Purple, Green

• Red, Green, Blue

• Cyan, Magenta, Yellow

• Black, White, Grey

What is the maximum value for a single color component in a 24-bit BMP file?

• 1024

• 255

• 2048

• 100

What is the purpose of a Directory File in a file system?

• To track the locations and metadata of files

• To manage file fragmentation

• To store user data

• To enhance data encryption

What problem does file fragmentation cause?

• Increased storage capacity

• Decreased data security

• Slower file access times

• Improved file compression

What is defragmentation used for?

• Compressing files

• Encrypting files

• Converting files to a different format

• Organizing file blocks to be contiguous

What does a hierarchical file system allow for?

• Faster data processing

• Storing files without metadata

• Reducing the need for defragmentation

• Organizing files into directories and subdirectories

How can files be moved within a hierarchical file system without rearranging blocks?

• By updating the root directory

• By deleting and recreating the file

• By compressing the files

• By modifying the directory files