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OS The Linux System
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OS The Linux System
The algorithm in which we split m frames among n processes, to give everyone an equal share, m/n frames is known as ____________
proportional allocation algorithm
equal allocation algorithm
split allocation algorithm
none of the mentioned
Author:
rikazzz
Comment
OS The Linux System
When a page is selected for replacement, and its modify bit is set ____________
the page is clean
the page has been modified since it was read in from the disk
the page is dirty
the page has been modified since it was read in from the disk & page is dirty
Author:
rikazzz
Comment
OS The Linux System
In UNIX, the ______________ system call is used to send a signal.
sig
send
kill
sigsend
Author:
rikazzz
Comment
OS The Linux System
LRU page – replacement algorithm associates with each page the ______
time it was brought into memory
the time of that page’s last use
page after and before it
all of the mentioned
Author:
rikazzz
Comment
OS The Linux System
Using a pager ____________
increases the swap time
decreases the swap time
decreases the swap time & amount of physical memory needed
increases the amount of physical memory needed
Author:
rikazzz
Comment
OS The Linux System
If the sum of the working – set sizes increases, exceeding the total number of available frames ____________
then the process crashes
the memory overflows
the system crashes
the operating system selects a process to suspend
Author:
rikazzz
Comment
OS The Linux System
The time required to create a new thread in an existing process is ___________
greater than the time required to create a new process
less than the time required to create a new process
equal to the time required to create a new process
none of the mentioned
Author:
rikazzz
Comment
OS The Linux System
If one thread opens a file with read privileges then ___________
other threads in the another process can also read from that file
other threads in the same process can also read from that file
any other thread can not read from that file
all of the mentioned
Author:
rikazzz
Comment
OS The Linux System
Multithreading an interactive program will increase responsiveness to the user by ___________
continuing to run even if a part of it is blocked
waiting for one part to finish before the other begins
asking the user to decide the order of multithreading
none of the mentioned
Author:
rikazzz
Comment
OS The Linux System
What are the two methods of the LRU page replacement policy that can be implemented in hardware?
Counters
RAM & Registers
Stack & Counters
Registers
Author:
rikazzz
Comment
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