Question Discussion & Solution

MCQ

To enable a process to wait within the monitor __________

a condition variable must be declared as condition

condition variables must be used as boolean objects

semaphore must be used

all of the mentioned

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In the bounded buffer problem, there are the empty and full semaphores that ____________

count the number of empty and full buffers

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All processes share a semaphore variable mutex, initialized to 1. Each process must execute wait(mutex) before entering the critical section and signal(mutex) afterward.
Suppose a process executes in the following manner.


signal(mutex);
.....
critical section
.....
wait(mutex);

In this situation :

a deadlock will occur

processes will starve to enter critical section

several processes maybe executing in their critical section

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Introduction to Operating System

Types

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Networking

Distributed Operating System

Protection and Security

Unix

Linux

MS Windows

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Finding and Processing Files

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