Question: 1 . Examine flag.s , which implements locking with a single memory flag. Give a brief explanation of what is happening ( a few sentences

1. Examine flag.s, which "implements" locking with a single memory flag. Give a brief explanation of what is happening (a few sentences will suffice) when the default simulator parameters are used. Use the -M and -R flags to trace variables and registers. Can you predict what value will end up in 'flag'?

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