can be used to prevent busy waiting when implementing a semaphore. A) Spinlocks
B) Waiting queues.
C) Mutex lock.
D) Allowing the wait

When pasting an existing chart into a word document, you can choose to using the paste options button. a. paste the chart as a picture b. embed the chart c. add the chart while keeping the destination formatting intact d. insert the chart while keeping the source formatting intact