♠ Posted by Unknown in CS604 solved Quiz No. 1 Dated 15-05-2014,My Today Quiz Dated 16-05/2014 at 22:33
CS604 solved Quiz No. 1 Dated 15-05-2014
My Today Quiz Dated 16-05/2014
1. Kernel is responsible for scheduling the user level
threads.
True
False
2. The problem with priority scheduling algorithm is
________.
Deadlock
Starvation
Aging
Nice value
3._______ command displays the contents of current
working directory.
Ls
CS
Mv
CP
4. When processes are generated using fork () system
call and then after that they are coordinated with each other using IPC
channel. They are utilizing a separate address space for each of process
(parent, child),, kernel resources and IPC channel. This makes it a more heavy.
Which strategy can be used to make it light?
Termination of child process when these become more
Scheduling of each process
Use
of threads
Use of threads
5. Which could not be the advantage of thread?
Separate
address space
Quick response
Economical
Best in multiprocessing environment
6. In process management, some of the jobs can be
suspended for some time in order to give other jobs a chance to be in
execution. Which command can be used to place back a suspended program?
fg
top
ps
bg
7. Swapper is also termed as Short term scheduler.
True
False
8. The procedure “The time at which the process
finished working MINUS the arrival time of the process MINUS CPU burst for that
process” will help calculate the _________.
Non-primitive
shortest scheduling
Preemptive job first scheduling
FCFS
RR scheduling
9. thread that is not executed for servicing a request
by a user thread .It is named as -------------.
EINVAL
EAGAIN
LWP
POSIX
10. Linux OS can support multiple users at a time
TRUE
FALSE
1. To terminate a process <CTRL-C> is pressed, which
signal it actually pass to process for termination.
SIGTERM
SIGINT
SIGKILL
SIGTRAP
Which could not be the afvantage of thread?
Separate addreee space
Quick response
Economical
Best in multiprocessing environment
The major advantage of multi-programming system is
More than one job can be processed at a given time
CPU utilization can be increases
Jobs can be completed quickly
All of the options are correct
________ is a solution to the problem of indefinite
blockage of low-priority processes.
Starvation
Dedlock
Aging
None of three
____________ scheduling algorithm can be peemptive or
non-preemptive.
First Come First Serve
Shortest Job First
Roung Robin
Priority
Consider three processes on scheduling. Here are the
waiting times for the three process P1 = 4; = P3 = 6. Which one of the
following is correct average waiting time oer process?
4
6
2
3
__________ is used in real time operating systems.
Non preemptive scheduling
Preemptive scheduling
Dispatching Scheduling
FCFS scheduling
Linux OS can support multiple users at a time.
True
False
_______ command in Linux helps to creat a new
directory.
Is
Cp
Mv
mkdr
POSIX standard develped by
ANSI
IEEE 1003
ISO
ACM
The scheduling of __________ are done by the operating
system.
Kernel threads
User level threads
Both Kernal and User Level thread 71
None of the give option
First _________ entries in Per Process File Discriptor
Table are used as soon as the process is created.
1
2
3
4
In process management, some of the jobs can be
suspended for some time in other jobs a chance to be in execution.
Fg
Top
Ps
Bg
_________commands in linux is used copy file
is
cp
mv
mkdr
___________ scheduler takes the process from the ready
queue and assign the CPU with the help of Dispatcher.
Long term
Short term
Medium
Swapper
Using _______system, we can create a new process in
Linux.
Fork
Exec
Wait
Exit
In unix/linux environment, Ayesha wants to know the
complete picture if current processes in her session. Which of the following
$ ps
$ gcc
$ top
$ fifo
________ schedular select the process from the job pool
and put them in main memory.
Long term
Short term
Medium term
Swapper
Linux is only single user operating system.
True
False
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