 
			 
			MCQOPTIONS
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				| 1. | If the semaphore value is negative ____________. | 
| A. | its magnitude is the number of processes waiting on that semaphore | 
| B. | it is invalid | 
| C. | no operation can be further performed on it until the signal operation is performed on it | 
| D. | none of the mentioned | 
| Answer» B. it is invalid | |