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When two processes sharing a common variable try to update it simultaneously, one cannot predict the output of it, this is the race condition.A thread while updating the variable can be preempted by another thread and update it differently .This is why Synchronization mechanisms are used.
Ex:
X=5
Process 1: X=X+1
Process 2: X=X+2
Machine code is
LOAD EAX,MEMORY_X
ADD EAX , 1
MOV MEMORY_X,EAX
While process1 is executing second line it could be preempted ..And process2 takes turn so , MEMORY_X contains value 7,.Now Process1 comes back and starts the remaining lines of code .The memory then contains value 6.
Which is the final answer. But we should have got a value of 8 instead
What else can I help you with?
What is race around condition and how it can be eliminated?
In Race round condition gate operation delay by signal but gate oprate first with clock ,this condition called the race raund confident
What is the race around condition?
No
What race has freckles?
Any race because it is a skin condition
How do you relate a process with the terms- race condition and critical section?
The race condition was that the horses I bet on had to finish in first, second and third places. However, at a critical section during the race, my horse stumbled, and I lost my money. I was not at the event, but a friend related the process to me. I was doing something else concurrently, but managed to follow the whole thread without getting into a spin, due to my friend's creative use of semaphore flags.
Why can't a process disable the interrupts to avoid context switch while in the critical section to avoid the race condition?
Because only the operating system has that authority.
What type of software would be available from SyncBack?
SyncBack provides online data backup software. The benefits of this software include: copy locked or open files, process an unlimited number of files, Fast Backup and Smart Syncronization.
Race condition in OS?
two or more processes are reading or writing some shared data and the final result depends on who runs precisely when, are called race condition.
What is race around condition?
The "Race Around Condition" occurs when J+K=1 i.e. When the FF is in the toggle mode.the race around condition in JK latch can be avoided by:a) Using the edge triggered JK flip flop.b) Using the master slave JK flip flop.
Is health a condition of the organism or a process?
it is a health condition
How does asynchronous and synchronous apply to physical interface?
anything will happens by using same speed with same time its called syncronization..
Does 'Dropbox' support video synchronization?
AnswerYes Dropbox support most of all kind of video formats in video syncronization.
Is albino a race?
No albinoism is a condition in which the pigment melanin is absent from the body.
