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Operating System
1081
Computer Science Fundamentals
998
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OS Mass-Storage Structures
RAID level ________ refers to disk arrays with striping at the level of blocks, but without any redundancy.
0
1
2
3
Author:
rikazzz
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OS Process Synchronization
The shrinking phase is a phase in which?
A transaction may obtain locks, but does not release any
A transaction may obtain locks, and releases a few or all of them
A transaction may release locks, but does not obtain any new locks
A transaction may release locks, and does obtain new locks
Author:
rikazzz
Comment
OS The Linux System
Instead of starting a new thread for every task to execute concurrently, the task can be passed to a ___________
process
thread pool
thread queue
none of the mentioned
Author:
rikazzz
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OS The Linux System
A swapper manipulates ___________ whereas the pager is concerned with individual _______ of a process.
the entire process, parts
all the pages of a process, segments
the entire process, pages
none of the mentioned
Author:
rikazzz
Comment
Computer Science Fundamentals
___________ is done in the development phase by the debuggers.
Coding
Testing
Debugging
Implementation
Coding is done by the developers. In debugging, the developer fixes the bug in the development phase. Testing is conducted by the testers.
Author:
rikazzz
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OS File Systems and Their Implementation
When a file system is mounted over a directory that is not empty then _____________
the system may not allow the mount
the system must allow the mount
the system may allow the mount and the directory’s existing files will then be made obscure
all of the mentioned
Author:
rikazzz
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OS The Linux System
Which one of the following is not a linux distribution?
debian
gentoo
open SUSE
multics
Author:
rikazzz
Comment
OS Protection
What is the reacquisition scheme to revoke capability?
When a process capability is revoked then it won’t be able to reacquire it
Pointers are maintained for each object which can be used to revoke
Indirect pointing is done to revoke object’s capabilities
Master key can be used compare and revoke.
Author:
rikazzz
Comment
OS Distributed File Systems
What is a common problem found in distributed system?
Process Synchronization
Communication synchronization
Deadlock problem
Power failure
Author:
rikazzz
Comment
OS The Linux System
When a subroutine is called ____________
it defines a new locality
it is in the same locality from where it was called
it does not define a new locality
none of the mentioned
Author:
rikazzz
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