
OS-Deadlock
Quiz
•
Computers
•
Professional Development
•
Practice Problem
•
Hard
Kanagaraju P
Used 229+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following condition is required for deadlock to be possible?
mutual exclusion
a process may hold allocated resources while awaiting assignment of other resources
no resource can be forcibly removed from a process holding it
all of the mentioned
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A system is in the safe state if
the system can allocate resources to each process in some order and still avoid a deadlock
there exist a safe sequence
all of the mentioned
none of the mentioned
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The circular wait condition can be prevented by
defining a linear ordering of resource types
using thread
using pipes
all of the mentioned
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which one of the following is the deadlock avoidance algorithm?
banker’s algorithm
round-robin algorithm
elevator algorithm
karn’s algorithm
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A process said to be in ___________ state if it was waiting for an event that will never occur.
Safe
Unsafe
Starvation
Dead lock
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A computer system has 6 tape drives, with 'n' processes competing for them. Each process may need 3 tape drives. The maximum value of 'n' for which the system is guaranteed to be deadlock free is
4
3
2
1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which one of the following is a visual ( mathematical ) way to determine the deadlock occurrence?
resource allocation graph
starvation graph
inversion graph
none of the mentioned
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