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Operating System
1081
Computer Science Fundamentals
998
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OS Distributed File Systems
In a distributed file system, when a file’s physical storage location changes ___________
file name need to be changed
file name need not to be changed
file’s host name need to be changed
file’s local name need to be changed
Author:
rikazzz
Comment
OS Distributed File Systems
In case of failure, a new transaction coordinator can be elected by ____________
bully algorithm
ring algorithm
both bully and ring algorithm
none of the mentioned
Author:
rikazzz
Comment
OS File Systems and Their Implementation
The server must write all NFS data ___________
synchronously
asynchronously
index-wise
none of the mentioned
Author:
rikazzz
Comment
Computer Science Fundamentals
In FORTRAN, the declarations of variables can be modified using the _____ parameter.
kind
make
select
change
Kind can be used for this purpose. It can often be used for the precision of reals. If you want to change the precision, it can easily be done using one line of code.
Author:
rikazzz
Comment
OS Mass-Storage Structures
In the ______ algorithm, the disk arm goes as far as the final request in each direction, then reverses direction immediately without going to the end of the disk.
LOOK
SCAN
C-SCAN
C-LOOK
Author:
rikazzz
Comment
OS Process Synchronization
A monitor is a type of ____________
semaphore
low level synchronization construct
high level synchronization construct
none of the mentioned
Author:
rikazzz
Comment
OS CPU Scheduling
Which of the following algorithms tends to minimize the process flow time?
First come First served
Shortest Job First
Earliest Deadline First
Longest Job First
Author:
rikazzz
Comment
OS The Linux System
When is the Many to One model at an advantage?
When the program does not need multithreading
When the program has to be multi-threaded
When there is a single processor
None of the mentioned
Author:
rikazzz
Comment
OS Memory Management
When the memory allocated to a process is slightly larger than the process, then ____________
internal fragmentation occurs
external fragmentation occurs
both internal and external fragmentation occurs
neither internal nor external fragmentation occurs
Author:
rikazzz
Comment
OS Deadlocks
What is the solution to starvation?
the number of rollbacks must be included in the cost factor
the number of resources must be included in resource preemption
resource preemption be done instead
all of the mentioned
Author:
rikazzz
Comment
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