OSG202 Test 1 Questions And Answers Complete Study Solutions 100% Passed Quizzes
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Course
OSG202
Institution
OSG202
OSG202 Test 1 Questions And Answers Complete Study Solutions 100% Passed Quizzes
Where should be put the page replacement algorithm In Mach model of Page fault handling with an external pager? *
In the page fault handler that is part of the kernel
In the external pager running in user space
In ...
OSG202 Test 1 Questions And Answers Complete
Study Solutions 100% Passed Quizzes
Where should be put the page replacement algorithm In Mach model of Page fault handling with an
external pager? *
In the page fault handler that is part of the kernel
In the external pager running in user space
In the low-level MMU handler
All of the other choices ANS In the external pager running in user space
Assume jobs A-D arrive in quick succession in the READY queue. Using round robin scheduling
(quantum=4), the turnaround time for job A is ____.
7
22
24
20 ANS 20
VMware Workstation is: *
1/1
Type 2 Hypervisor
Guest Operating system
Type 1 Hypervisor
Host Operating system ANS Type 2 Hypervisor
Consider the following state of a system with four processes, P1, P2, P3 and P4, and five types of
resources RS1, RS2, RS3, RS4 and RS5 as figure below. Deadlocked processes are: *
P1, P4
P3, P4
P1, P2
P1, P3 ANS P3, P4
, The scheduling strategy where each process in the queue is given a certain amount of time. After this
time has elapsed, the process is preempted and added to the end of the ready queue is referred to as: *
Round-Robin
LIFO
All of the other choices
Prioritization ANS Round-Robin
Assuming that it takes 10 nsec to copy a byte, how much time does it take to completely rewrite the
screen of a 1200 x 800 pixels graphics with 24- bit color? *
288 msec
28.8 msec
288 micro-sec
28.8 micro-sec ANS 28.8 msec
Which does the power of CPU decrease to if it run at half speed? *
None of the other choices
1/4
1/8
1/2 ANS 1/4
Some systems increase the priority of jobs that have been in the system for an unusually long time to
expedite their exit, which is known as ____.?
Bumping
Accelerated priority
Aging
Lagging ANS Aging
A simple structuring model for monolithic system includes: *
A main program that invokes the requested service procedure
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