Operating System Mcqs

Page No. 89

The _______ program initializes all aspects of the system, from CPU registers to device controllers and the contents of main memory, and then starts the operating system.


amain


bbootloader


cbootstrap


drom


View Answer bootstrap

The two steps the operating system takes to use a disk to hold its files are _______ and ________


apartitioning & logical formatting


bswap space creation & caching


ccaching & logical formatting


dlogical formatting & swap space creation



The header and trailer of a sector contain information used by the disk controller such as _________ and _________


amain section & disk identifier


berror correcting codes (ECC) & sector number


csector number & main section


ddisk identifier & sector number



The data structure for a sector typically contains ____________


aheader


bdata area


ctrailer


dall of the mentioned


View Answer all of the mentioned

The process of dividing a disk into sectors that the disk controller can read and write, before a disk can store data is known as ____________


apartitioning


bswap space creation


clow-level formatting


dnone of the mentioned


View Answer low-level formatting

It is __________ to reread a page from the file system than to write it to swap space and then to reread it from there.


auseless


bless efficient


cmore efficient


dnone of the mentioned


View Answer more efficient

In UNIX, two per process ________ are used by the kernel to track swap space use.


aprocess tables


bswap maps


cmemory maps


dpartition maps


View Answer swap maps

When a fixed amount of swap space is created during disk partitioning, more swap space can be added only by?
I) repartitioning of the disk
II) adding another swap space elsewhere


aonly I


bonly II


cboth I and II


dneither I nor II


View Answer both I and II

For swap space created in a separate disk partition where no file system or directory structure is placed, _____________ used to allocate and deallocate the blocks.


aspecial routines must be


bnormal file system routines can be


cnormal file system routines cannot be


dswap space storage manager is



If the swap space is simply a large file, within the file system, ____________ used to create it, name it and allocate its space.


aspecial routines must be


bnormal file system routines can be


cnormal file system routines cannot be


dswap space storage manager is



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