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Consider a computer system with a 32-bit logical address and 4KB page size. The system supports up to 512MB of physical memory. How many entries are there in a conventional single-level page table? How many entires are there in an inverted page table? What are the page numbers and offsets for the following address references: a) 30000, b) 256, c) 0xbcf034
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
Define the features are needed to implement top down parsing Source string marker, Prediction making mechanism and Matching and Backtracking mechanism
What are the use of job queues, ready queues and device queues? As a process enters a system they are put in to a job queue. These queues having of all jobs in the system. The
How can an index file be used to speed up the access in direct-access files? Have an index in memory; the index gives the key and the disk location of its corresponding record.
What is the information associated with an open file? Various pieces of information are associated with an open file which may be: File pointer Disk location of th
Q. Describe the concept of transaction atomicity? Answer: A transaction is a sequence of read as well as writes operations upon some data followed by a commit operation. If the
shell script that accepts two directory names as arguments and delete those file in the second directory that are identical to the file in the first
explain goals of system software
Since each thread has its own processing space therefore communication between threads will need to be done through a common global variable. Since multiple threads can access the
summary of what operating system do
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