
CompSys E3

Quiz
•
Computers
•
University
•
Medium

Jakob Genhart
Used 1+ times
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Which one holds in non-preemptive batch scheduling?
Wait Time + Hold Time
= Execution Time
Execution Time - Wait Time
= Hold Time
Hold Time + Execution Time
= Wait Time
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which is often the most important metric in interactive scheduling?
Execution Time
Response Time
Wait Time
Hold Time
3.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Convoying is best described as:
A long-running job gets preempted repeatedly by new arriving shorter jobs thus greatly increasing its wait time.
A long-running job blocks many shorter jobs and thus greatly inflates mean wait times.
A high-priority process is blocked because a low-priority is holding the lock and won't get dispatched to release the lock.
4.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Which job will get dispatched first using SJF?
A
B
C
D
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which of these have we seen as solutions to priority inversion?
Priority Ancestors
Priority Ceiling
Priority Floor
Priority Inheritance
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of these can be used to avoid moving data through cpu while copying data from a device to RAM? (Select best fit)
Registers
MMU
DMA
Interrupts
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calling EXEC never returns
True
False
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