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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

Which one of the following is the deadlock avoidance algorithm?

banker's algorithm

round-robin algorithm

elevator algorithm

karn's algorithm

Discussion

MCQ

A problem encountered in multitasking when a process is perpetually denied necessary resources is called ____________

deadlock

starvation

inversion

aging

Discussion

MCQ

The program follows to use a shared binary semaphore T.

Process A  
int Y;            
A1: Y = X*2;      
A2: X = Y;        
signal(T);        
 
Process B
int Z;
B1: wait(T);
B2: Z = X+1;
X = Z;

T is set to 0 before either process begins execution and, as before, X is set to 5. Now, how many different values of X are possible after both processes finish executing?

one

two

three

four

Discussion

MCQ

The two ways of aborting processes and eliminating deadlocks are ____________

Abort all deadlocked processes

Abort all processes

Abort one process at a time until the deadlock cycle is eliminated

All of the mentioned

Discussion

MCQ

A collection of instructions that performs a single logical function is called ____________

transaction

operation

function

all of the mentioned

Discussion

Banking

Engineering

General

Medical

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Distributed Operating System

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Linux

MS Windows

Mixed

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