Operating System Mcqs

Page No. 73

The index contains ____________


anames of all contents of file


bpointers to each page


cpointers to the various blocks


dall of the mentioned



A relative block number is an index relative to ____________


athe beginning of the file


bthe end of the file


cthe last written position in file


dnone of the mentioned



For a direct access file ____________


athere are restrictions on the order of reading and writing


bthere are no restrictions on the order of reading and writing


caccess is restricted permission wise


daccess is not restricted permission wise



The direct access method is based on a ______ model of a file, as _____ allow random access to any file block.


amagnetic tape, magnetic tapes


btape, tapes


cdisk, disks


dall of the mentioned


View Answer disk, disks

Sequential access method ______ on random access devices.


aworks well


bdoesn't work well


cmaybe works well and doesn't work well


dnone of the mentioned


View Answer works well

In the sequential access method, information in the file is processed ____________


aone disk after the other, record access doesn't matter


bone record after the other


cone text document after the other


dnone of the mentioned



The larger the block size, the ______ the internal fragmentation.


agreater


blesser


csame


dnone of the mentioned


View Answer greater

The UNIX system uses a/an ________ stored at the beginning of a some files to indicate roughly the type of file.


aidentifier


bextension


cvirtual number


dmagic number


View Answer magic number

Which of the following are the types of Path names?


aabsolute & relative


blocal & global


cglobal & relative


drelative & local


View Answer absolute & relative

The current directory contains, most of the files that are _____________


aof current interest to the user


bstored currently in the system


cnot used in the system


d not of current interest to the system



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