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Explain how a critical section avoids Race condition.
To prevent Race Condition, concurrent processes should be synchronized.
Data consistency needs that only one process must update the value of a data item at any time. It is ensured through the notion of a critical section. For data item d a critical section is a section of code, which can't be executed concurrently with itself or along with other critical sections for d. by considering a system of n processes as (P0, P1,..., Pn-1), all processes have a segment of code termed as a critical section, wherein the processes may be changing common variables and updating a table then writing a file, and so on. The significant feature of the system is that, while one process is executing into its critical section, no other process is to be permitted to execute into its critical section. Hence the execution of critical sections through the processes is equally exclusive in time.
repeat
Entry section
critical section
Exit section
remainder section
until FALSE
Can math operations be performed on a void pointer? No. Pointer addition and subtraction are based on advancing the pointer by a number of elements. By explanation, if you have
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Internal Organization of memory chip: Word line & bit lines 16x8 organization : 16 words of 8 bits per Form of an array
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complete notes
what is dbms goal?
What are two reasons for using layered protocol? Layered protocol implies protocols used into each layer are the layer's own business that is they don't influence protocol of a
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