Q. Which of the following file name extension suggests that the file is Backup copy of another file ?

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Q. In memory management , a technique called as paging, physical memory is broken into fixed-sized blocks called ___________.

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Q. Disk scheduling involves deciding ?

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Q. Memory protection is normally done by

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Q. Dynamic allocation of storage areas with VSAM files is accomplished by

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Q. Root directory of a disk should be placed

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Q. CPU can access which type of memory directly?

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Q. What is the effect of using a larger block size in a fixed block size file system?

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Q. Consider a system with 32 bit virtual addresses and 1 kbyte page size. Why is it not possible to use one - level page tables for virtual to physical address translation?

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Q. What should be the size of ROM if it is used to store the table for multiplication of two 8 - bit unsigned integers?

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Q.  What will happen when we format a floppy disk?

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Q. The capacity of a memory unit = (the number of words) * (the number of bits / words). What will be the number of separate address and data lines needed for a memory of 4k * 16 ?

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Q. What works on the principle of locality?

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Q. The memory allocation scheme subject to “external” fragmentation is

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Q. The different types of tables maintained by the operating system are .............

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Q. Which of the following information not included in memory table ?

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Q. ................. is the time required to move the disk arm to the required track.

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Q. …………. Involves treating main memory as a resource to be allocated to and shared among a number of active processes.

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Q. The …………….. policy segments the disks request queue into sub queues of the length N.

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Q. Memory management is

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