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Q. Why page sizes always powers of 2? Answer: Recall that paging is executed by breaking up an address into a page and offset number. It is most competent to break the address
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
Define busy waiting and spinlock. When a process is in its significant section, any other process that tries to enter its critical section must loop continuously in the entry c
limitations
What is indexed allocation? Every file has its own block of pointers to the sectors of the file.
Process States A total of nine states are acknowledged by the UNIX system. They are like as follow: User running Executing
Inverted page table In page table the page table has one entry for every page that the process is using. The operating system must translate this reference into a physical memo
Discuss the role of discovery and developmental prototypes in defining requirements for this project.Are throwaway prototypes appropriate, or should the project team quickly gather
A hard-disk drive reads “120 GB HDD 7200 rpm 3 GB/sec transfer rate”. If the drive has a sector size of 512 bytes, what is the average rotational latency and transfer time to read
Q. Presume that we agree that 1 kilobyte is 1,024 bytes 1 megabyte is 1,0242 bytes and 1 gigabyte is 1,0243 bytes. This progression carries on through terabytes, petabytes, and ex
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