Podcast
Questions and Answers
What is the purpose of buffering in the Kernel I/O Subsystem?
What is the purpose of buffering in the Kernel I/O Subsystem?
- To prioritize I/O requests based on their frequency of access
- To allocate memory for holding copies of frequently accessed data
- To store data while they are transferred between devices or between a device and an application (correct)
- To manage system errors and application faults
Which memory area does the Kernel I/O Subsystem use to hold copies of data for efficient access?
Which memory area does the Kernel I/O Subsystem use to hold copies of data for efficient access?
- Queue
- Buffer
- Cache (correct)
- Spool
What is the function of a spool in the context of I/O systems?
What is the function of a spool in the context of I/O systems?
- To manage buffer space for incoming data streams
- To handle system errors and application faults
- To allocate memory for frequently accessed data in a cache
- To store output data for devices like printers that cannot accept interleaved data streams (correct)
How does an operating system with protected memory handle errors?
How does an operating system with protected memory handle errors?
What defines a file in the context of an operating system?
What defines a file in the context of an operating system?
How does caching improve data access in the Kernel I/O Subsystem?
How does caching improve data access in the Kernel I/O Subsystem?
What is the main purpose of interactivity in an operating system?
What is the main purpose of interactivity in an operating system?
In a real-time system, what does the operating system need to guarantee?
In a real-time system, what does the operating system need to guarantee?
What is a key disadvantage of using multiprogramming operating systems?
What is a key disadvantage of using multiprogramming operating systems?
What is the role of memory management programs in the context of operating systems?
What is the role of memory management programs in the context of operating systems?
What is a characteristic of the Most Frequently Used (MFU) algorithm?
What is a characteristic of the Most Frequently Used (MFU) algorithm?
What is a drawback of the Least Frequently Used (LFU) algorithm in page replacement?
What is a drawback of the Least Frequently Used (LFU) algorithm in page replacement?
Which of the following is the primary responsibility of the I/O controller in an operating system?
Which of the following is the primary responsibility of the I/O controller in an operating system?
The Most Frequently Used (MFU) algorithm is a type of:
The Most Frequently Used (MFU) algorithm is a type of:
Which of the following is true about the Least Frequently Used (LFU) algorithm?
Which of the following is true about the Least Frequently Used (LFU) algorithm?
The Page Buffering algorithm is related to which of the following areas of operating system management?
The Page Buffering algorithm is related to which of the following areas of operating system management?
Which of the following is an example of a page replacement algorithm?
Which of the following is an example of a page replacement algorithm?
Which of the following is responsible for allocating and de-allocating devices in an efficient way?
Which of the following is responsible for allocating and de-allocating devices in an efficient way?
