Podcast
Questions and Answers
What is the primary function of a device driver?
What is the primary function of a device driver?
- Facilitate communication between the device controller and kernel (correct)
- Execute system calls
- Store data in the main memory
- Perform arithmetic calculations
How many bits make up a byte?
How many bits make up a byte?
- 12 bits
- 4 bits
- 16 bits
- 8 bits (correct)
What is the main advantage of Direct Memory Access (DMA) in I/O operations?
What is the main advantage of Direct Memory Access (DMA) in I/O operations?
- It enables high-speed data transfers close to memory speeds (correct)
- It allows multiple interrupts per byte
- It limits the amount of data transferred per block
- It requires CPU intervention for data transfer
What is the role of the CPU in an I/O operation involving DMA?
What is the role of the CPU in an I/O operation involving DMA?
When does the device controller interrupt the CPU during DMA data transfer?
When does the device controller interrupt the CPU during DMA data transfer?
Which unit of data storage is considered as the native unit?
Which unit of data storage is considered as the native unit?
What is the main characteristic of Random Access Memory (RAM)?
What is the main characteristic of Random Access Memory (RAM)?
Which type of memory is typically in the form of Dynamic Random-Access Memory (DRAM)?
Which type of memory is typically in the form of Dynamic Random-Access Memory (DRAM)?
What is the main characteristic of Read-only memory (ROM)?
What is the main characteristic of Read-only memory (ROM)?
Which of the following is a mechanical secondary storage device?
Which of the following is a mechanical secondary storage device?
What type of memory can only be accessed directly by the CPU and has limited capacity?
What type of memory can only be accessed directly by the CPU and has limited capacity?
Which storage system has high speed, small size, and limited capacity?
Which storage system has high speed, small size, and limited capacity?
What is the purpose of caching in a computer system?
What is the purpose of caching in a computer system?
In a cache, where is information temporarily stored?
In a cache, where is information temporarily stored?
Which type of environments must provide cache coherency to ensure all CPUs have the most recent value?
Which type of environments must provide cache coherency to ensure all CPUs have the most recent value?
What does job scheduling in an operating system entail?
What does job scheduling in an operating system entail?
What is an important design problem in cache management?
What is an important design problem in cache management?
What is the benefit of spooling in multiprogramming (Batch System)?
What is the benefit of spooling in multiprogramming (Batch System)?
