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Categories >> Software >> Operating Systems >> Operating Systems General Concepts
 
 


 

 
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Question
what is disk interleaving? why is disk interleaving adopted?
 Question Submitted By :: Operating-Systems-General-Concepts
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
A group of disks may be interleaved to speed up data
transfers in a manner analogous to the speedup achieved by
main memory interleaving. Conventional disks may be used
for interleaving by spreading data across disks and by
treating multiple disks as if they were a single one.
Furthermore, the rotation of the interleaved disks may be
synchronized to simplify control and also to optimize
performance. In addition, check- sums may be placed on
separate check-sum disks in order to improve reliability.
In this paper, we study synchronized disk interleaving as a
high-performance mass storage system architecture. The
advantages and limitations of the proposed disk
interleaving scheme are analyzed using the M/G/1 queueing
model and compared to the conventional disk access
mechanism.
 
Is This Answer Correct ?    19 Yes 8 No
Ramya
 
Answer
# 2
teri dash 
Is This Answer Correct ?    3 Yes 11 No
Naved Shaikh
 
 
 

 
 
 
Other Operating Systems General Concepts Interview Questions
 
  Question Asked @ Answers
 
when a process is created using fork(). what is shared between parent process and child process. 1.Heap 2. stack 3. shared memory segments 4. I/O handles nvidia 2
Give a brief discussion on schedulers & Dispatchers with respect to process management.   2
Define latency, transfer and seek time with respect to disk I/O. Brainware 2
what the diffence between windows server 2003 standard and windows server 2003 R2 standard   1
What are named pipes? HP 2
which is best among semaphores and mutexes? HP 2
What is process migration? TCS 2
If A>B then F=F(G); else B>C then F=G(G); in this , for 75% times A>B and 25% times B>C then,is 10000 instructions are there ,then the ratio of F to G [a] 7500:2500 [b] 7500:625 [c] 7500:625 if a=b=c else 7500:2500 Wipro 2
What is virtual memory, if OS didt have that concept What are the problems can arise? HP 6
What has triggered the need for multitasking in PCs?   1
What is the difference between hard and soft real-time systems?   4
List at least three things that a running process might do that would cause the scheduler not to move it to the ready state when it stops running.   2
 
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