The signal operation of the semaphore basically works on the basic Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â system call.

The signal operation of the semaphore basically works on the basic Â

1.	The signal operation of the semaphore basically works on the basic Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â system call.
A.	continue()
B.	wakeup()
C.	getup()
D.	start()
Answer» C. getup()