Operating System Mcqs

Page No. 74

In the tree structured directories _____________


athe tree has the stem directory


bthe tree has the leaf directory


cthe tree has the root directory


dall of the mentioned



What is the disadvantage of the two level directory structure?


ait does not solve the name collision problem


bit solves the name collision problem


cit does not isolate users from one another


dit isolates users from one another



When a user refers to a particular file?


asystem MFD is searched


bhis own UFD is not searched


cboth MFD and UFD are searched


devery directory is searched



When a user job starts in a two level directory system, or a user logs in _____________


athe users user file directory is searched


bthe system’s master file directory is not searched


cthe master file directory is indexed by user name or account number, and each entry points to the UFD for that user


dall of the mentioned



What will happen in the two level directory structure?


aeach user has his/her own user file directory


bthe system doesn’t its own master file directory


call of the mentioned


dnone of the mentioned



What will happen in the single level directory?


aAll files are contained in different directories all at the same level


bAll files are contained in the same directory


cDepends on the operating system


dNone of the mentioned



The directory can be viewed as a _________ that translates file names into their directory entries.


asymbol table


bpartition


cswap space


dcache


View Answer symbol table

To organize file systems on disk _______________


athey are split into one or more partitions


binformation about files is added to each partition


cthey are made on different storage spaces


dall of the mentioned



When a cycle exists, the reference count maybe non zero, even when it is no longer possible to refer to a directory or file, due to _______


athe possibility of one hidden reference


bthe possibility of two hidden references


cthe possibility of self referencing


dnone of the mentioned



When keeping a list of all the links/references to a file, and the list is empty, implies that _____________


athe file has no copies


bthe file is deleted


cthe file is hidden


dnone of the mentioned


View Answer the file is deleted

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