Q. What is busy waiting?

A. The repeated execution of a loop of code while waiting for an event to occur is called busy-waiting.
The CPU is not engaged in any real productive activity during this period, and the process does not progress toward completion

• its a technique in which a process is repeatedly checks to see if a condition is true
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• technique in which a process repeatedly check to see if a codition is true ,such as lock is availale to enter in critical section.
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