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Q. How does DMA raise system concurrency? How does it make difficult hardware design?
Answer: DMA increases system concurrency by allowing the CPU to perform tasks while the DMA system transfers data via the system and memory buses. Hardware design is complicated because the DMA controller must be integrated into the system, and the system must allow the DMA controller to be a bus master. Cycle stealing may also be necessary to allow the CPU and DMA controller to share use of the memory bus.
What are the various disk-scheduling algorithms? The several disk-scheduling algorithms are a. First Come First Served Scheduling b. Shortest Seek Time First Scheduling
Introduction of linux
idle thread The special thread a dispatcher will run when no ready thread is found. The primary purpose of the idle process and its threads is to remove what would otherwise b
Describe the differences among short-term, medium-term, and long-term scheduling. Short-term (CPU scheduler)-selects from jobs in memory those jobs that are ready to execu
What are turnaround time and response time? Turnaround time is the interval among the submission of a job and its completion. Response time is the interval among submission
Define the Server Communications Module or SCM The Server Communications Module (SCM) performs many necessary functions. The SCM responsible for establishing, maintaining, and
Page fault is a trap to the software gained by the hardware when a process accesses a page that is goes in the virtual address space, but not added in physical memory. In the har
Q. Explain the actions taken by a kernel to context switch between kernel level threads. Answer: Context switching among kernel threads classically requires saving the value
What are Tree-structured directories We can generalize the directory structure to a tree of arbitrary height. This permits the user to create their own sub directories and to c
Define an assembly language Assembly language stands for a Low level programming language
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