Podcast
Questions and Answers
Which of the following best describes 'virtual memory'?
Which of the following best describes 'virtual memory'?
- A method for directly accessing data on a physical disk.
- A memory management technique creating an illusion of large memory space using disk storage. (correct)
- A hardware component that speeds up data access.
- A software that emulates a physical computer.
What is the primary purpose of 'disk scheduling'?
What is the primary purpose of 'disk scheduling'?
- To create virtual machines.
- To manage file system directories.
- To allocate physical memory to different processes.
- To optimize access to disk resources, reducing seek time and improving performance. (correct)
Why might a file be stored as a 'binary file'?
Why might a file be stored as a 'binary file'?
- To store executable programs or complex data structures in a non-human-readable format. (correct)
- To reduce its size for storage purposes.
- To ensure compatibility across different operating systems.
- To make it easily readable by humans.
Which of the following is an example of what might be stored as a 'file'?
Which of the following is an example of what might be stored as a 'file'?
What is the role of a 'file extension'?
What is the role of a 'file extension'?
How does 'direct file access' differ from sequential file access?
How does 'direct file access' differ from sequential file access?
What does an 'absolute path' specify?
What does an 'absolute path' specify?
If you want to visualize the structure of files, subdirectories, and directories, which of the following should you use?
If you want to visualize the structure of files, subdirectories, and directories, which of the following should you use?
What is a reasonable analogy for a 'directory' in a computer system?
What is a reasonable analogy for a 'directory' in a computer system?
A software application runs within a 'virtual machine'. What does this imply?
A software application runs within a 'virtual machine'. What does this imply?
Flashcards
Virtual Machine
Virtual Machine
Software emulation of a physical computer, providing the same functionality as a physical machine.
Virtual Memory
Virtual Memory
A memory management technique creating the illusion of large contiguous memory space using disk storage.
Absolute Path
Absolute Path
Complete and specific location of a file or directory in a file system, starting from the root directory.
Binary File
Binary File
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Direct File Access
Direct File Access
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Directory
Directory
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Directory Tree
Directory Tree
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Disk Scheduling
Disk Scheduling
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File
File
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File Extension
File Extension
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Study Notes
- Virtual machine: Software emulates a physical computer, and provides the same functionality
- Virtual memory: Memory management creates the illusion of large memory space using disk storage
- Absolute path: Complete location of a file or directory within a file system, starting from the root directory
- Binary file: It stores data not directly human-readable, used to store executable programs
- Direct file access: Ability to retrieve or manipulate data from a file directly
- Directory: A container organizes files into a hierarchical structure
- Directory tree: Graphical representation or hierarchical structure of directories and subdirectories
- Disk scheduling: OS efficiently schedules access to disk resources, which reduces seek time and optimizes performance
- File: A named collection of data stored (can be text, image, executable, etc.) on a computer
- File extension: Filename suffix indicates format or type
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