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Define caching.
A cache is a region of fast memory that holds copies of data. Access to the cached copy is well-organized than access to the original. Caching and buffering are separate functions, but sometimes a region of memory can be used for together purposes.
What is super block A partition control block have partitions details, such as the number of blocks in the partition, size of the blocks, free-blocks and free-block pointers an
What is low-level formatting? Before a disk can kept data, it must be required into sectors that the disk controller can read and write. This procedure is called low-level form
When you turn in an assignment to be graded in this class, you are making the claim that you neither gave nor received assistance on the work you turned in (except, of course, assi
Q. Does Windows XP offer any user-mode processes that enable it to run programs developed for other operating systems? Describe two of these subsystems. Answer: Environmental
Write a short note on PCB? Every process is represented in the operating system by a process control block also called a task control block. It contains more information regard
Problem 1. What is kernel? What are the main components of a kernel? Defining Kernel Explaining Main components of Kernel 2. What is mutual exclusion? What are i
What is spooling? Spooling overlaps the I/O of single job with the computation of other jobs.
How free-space is managed using bit vector implementation? The free-space list is implemented as a bit map or bit vector. Each block is shown by 1 bit. If the block is free, th
How does an operating system make multiprogramming possible by using single processor?
Write a program that will input two numbers from the keyboard and execute each of the signed and unsigned multiply and divide instructions. For each instruction, the program shoul
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