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Operating System
1081
Computer Science Fundamentals
998
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OS Distributed File Systems
According to the ring algorithm, links between processes are ____________
bidirectional
unidirectional
both bidirectional and unidirectional
none of the mentioned
Author:
rikazzz
Comment
Computer Science Fundamentals
To locate the exact location of data in memory, we need the starting address of the segment, which is found in the DS register and an offset value. This offset value is also called?
Effective Address
Direct offset address
Memory address
General Address
When operands are specified in memory addressing mode, direct access to main memory, usually to the data segment, is required. This way of addressing results in slower processing of data. To get the exact location of data in memory, we need segment start address, which is found in the DS register and an offset value. This offset value is called an effective address.
Author:
rikazzz
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OS Deadlocks
If deadlocks occur frequently, the detection algorithm must be invoked ________
rarely
frequently
rarely & frequently
none of the mentioned
Author:
rikazzz
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OS File Systems and Their Implementation
Data cannot be written to secondary storage unless written within a ______
file
swap space
directory
text format
Author:
rikazzz
Comment
OS Distributed File Systems
Header are ______ when data packet moves from upper to the lower layers?
Modified
Removed
Added
All of the mentioned
Author:
rikazzz
Comment
Computer Science Fundamentals
The process in which a file is partitioned into smaller parts and different parts are stored in different disks is ____________
RAID
Mirroring
Stripping
RAID classification
Enhanced reliability is achieved by using techniques like mirroring and stripping in case of disk arrays. Stripping is the division of a large file into smaller parts and then storing them on different disks.
Author:
rikazzz
Comment
Computer Science Fundamentals
Which operation is shown in the following expression: (X+Y’).(X+Z).(Z’+Y’)
NOR
ExOR
SOP
POS
The expression comprises of max terms.
Author:
rikazzz
Comment
OS Process Synchronization
A minimum of _____ variable(s) is/are required to be shared between processes to solve the critical section problem.
one
two
three
four
Author:
rikazzz
Comment
Computer Science Fundamentals
A data structure that follows the FIFO principle.
Queue
LL
Stack
Union
The answer is Queue. A Queue follows the FIFO principle. FIFO stands for First In First Out.
Author:
rikazzz
Comment
OS File Systems and Their Implementation
System wide table in UNIX contains process independent information such as ____________
location of file on disk
access dates
file size
all of the mentioned
Author:
rikazzz
Comment
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