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MCQ

The growing phase is a phase in which?

A transaction may obtain locks, but does not release any

A transaction may obtain locks, and releases a few or all of them

A transaction may release locks, but does not obtain any new locks

A transaction may release locks, and does obtain new locks

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MCQ

Which of the following condition is required for a 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

Discussion

MCQ

A monitor is characterized by ____________

a set of programmer defined operators

an identifier

the number of variables in it

all of the mentioned

Discussion

MCQ

Mutual exclusion implies that ____________

if a process is executing in its critical section, then no other process must be executing in their critical sections

if a process is executing in its critical section, then other processes must be executing in their critical sections

if a process is executing in its critical section, then all the resources of the system must be blocked until it finishes execution

none of the mentioned

Discussion

MCQ

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

Discussion

MCQ

Deadlock prevention is a set of methods ____________

to ensure that at least one of the necessary conditions cannot hold

to ensure that all of the necessary conditions do not hold

to decide if the requested resources for a process have to be given or not

to recover from a deadlock

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