Quiz-3

What are the main types of files used in computing?

• system files

• text documents

• Text files, binary files, image files, audio files, video files, executable files, archive files

• temporary files

Which file format is commonly used for images?

• BMP

• GIF

• JPEG

• PNG

What is the purpose of file permissions in a file system?

• To improve file compression

• To increase the file size

• To enhance file formatting

• The purpose of file permissions in a file system is to control access to files and directories.

How can you change file permissions in a Unix-based system?

• Use the 'chown' command.

• Edit the file directly with a text editor.

• Use the 'chmod' command.

• Run the 'ls' command to view permissions.

What is the difference between a file and a folder?

• A file is always larger than a folder; a folder is just a shortcut.

• A file is a single data unit; a folder is a container for organizing files.

• A file is a type of folder; folders are used to store applications.

• A file can contain multiple folders; a folder cannot contain files.

How is data organized in a hierarchical file system?

• Data is kept in a single directory without any subdirectories.

• Data is organized in a linear sequence of files.

• Data is stored in a flat file format without any structure.

• Data is organized in a tree-like structure with directories and subdirectories.

What is the role of a file system in data storage?

• To provide a graphical interface for users.

• The role of a file system in data storage is to manage how data is stored and retrieved on storage devices.

• To increase the speed of internet connections.

• To encrypt data on storage devices.

What are the common methods for retrieving data from a file?

• Accessing data through web APIs without file interaction.

• Utilizing spreadsheet software to open and edit files directly.

• Using database queries to fetch data directly from memory.

• Using file reading functions like 'read', 'readline', or 'readlines'.

What is file compression and why is it used?

• File compression is the process of reducing the size of files to save space and improve transfer speed.

• File compression is a method to encrypt files for security purposes.

• File compression is used to enhance the visual appearance of files.

• File compression is the process of increasing file size for better quality.

Name a popular file compression format.

• TAR

• ZIP

• RAR

• 7Z