 
			 
			MCQOPTIONS
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				| 1. | 'Aging registers' are _______ | 
| A. | Counters which indicate how long ago their associated pages have been Referenced. | 
| B. | Registers which keep track of when the program was last accessed | 
| C. | Counters to keep track of last accessed instruction | 
| D. | Counters to keep track of the latest data structures referred | 
| Answer» B. Registers which keep track of when the program was last accessed | |