Question Discussion & Solution

MCQ

The disadvantage of a process being allocated all its resources before beginning its execution is ____________

Low CPU utilization

Low resource utilization

Very high resource utilization

None of the mentioned

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MCQ

The shrinking 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

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

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

Discussion

MCQ

If a process is executing in its critical section, then no other processes can be executing in their critical section. This condition is called?

mutual exclusion

critical exclusion

synchronous exclusion

asynchronous exclusion

Discussion

MCQ

A monitor is a module that encapsulates __________

shared data structures

procedures that operate on shared data structure

synchronization between concurrent procedure invocation

all of the mentioned

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category More Operating System Topics

Introduction to Operating System

Types

Services

Structures

Processes

Threads

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

File Management

Report Error

Community Discussion

Similar Questions

Report Error

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