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MCQ

A terminated transaction that has completed its execution successfully is ____________ otherwise it is __________

committed, destroyed

aborted, destroyed

committed, aborted

none of the mentioned

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MCQ

If we preempt a resource from a process, the process cannot continue with its normal execution and it must be ____________

aborted

rolled back

terminated

queued

Discussion

MCQ

The circular wait condition can be prevented by ____________

defining a linear ordering of resource types

using thread

using pipes

all of the mentioned

Discussion

MCQ

If the resources are always preempted from the same process __________ can occur.

deadlock

system crash

aging

starvation

Discussion

MCQ

Concurrent access to shared data may result in ____________

data consistency

data insecurity

data inconsistency

none of the mentioned

Discussion

MCQ

A system has 12 magnetic tape drives and 3 processes : P0, P1, and P2. Process P0 requires 10 tape drives, P1 requires 4 and P2 requires 9 tape drives.

Process    
P0            
P1                             
P2                             
 
Maximum needs (process-wise: P0 through P2 top to bottom)    
10             
4   
9
 
Currently allocated (process-wise)
5
2
2

Which of the following sequence is a safe sequence?

P0, P1, P2

P1, P2, P0

P2, P0, P1

P1, P0, P2

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Introduction to Operating System

Types

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CPU Scheduling

Process Synchronization

Memory Management

Storage Management

Input Output Systems

Networking

Distributed Operating System

Protection and Security

Unix

Linux

MS Windows

Mixed

Operating Systems Overview

Process Management

Finding and Processing Files

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