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OPERATING SYSTEMPhysical memory is broken into fixed-sized blocks called (i) frames (ii) pages (iii) backing store (iv) None of the above20192mOPERATING SYSTEMConsider a simple paging system with the following parameters: * 2^32 bytes of physical memory * Page size of 2^10 bytes * 2^16 pages of logical address space (i) How many bits are in a logical address? (ii) How many bytes are in a frame? (iii) How many bits in the physical address specify the frame? (iv) How many entries are in the page table?20227mCOMPUTER ORGANIZATION & ARCHITECTUREA virtual memory system has an address space of 8k words, memory space of 4k words and page & block size of 1k words. The following page reference changes occur during a given time interval: 4, 2, 0, 1, 2, 6, 1, 4, 0, 1, 0, 2, 3, 5, 7 Determine the four pages that are resident in main memory after each page reference change if the replacement algorithm used is - (i) FIFO - (ii) LRU.201614mCOMPUTER ORGANIZATION & ARCHITECTURE(e) For converting a virtual address into the physical address, the programs are divided into (i) pages (ii) frames (iii) segments (iv) blocks20222m
PreviousWhich one of the following is the deadlock avoidance algorithm? (i) Banker's algorithm (ii) Round-robin algorithm (iii) Elevator algorithm (iv) Karn's algorithmNextWhat is process control block? Explain it. Discuss the difference among short-term, medium-term and long-term scheduling.
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