1a. A process p is blocked means: (explain) - (10 points)
1b. In state s2, _____. (5points)
a) p1 could release r,3
b) p1 could acquire r,1
c) p2 could request r,3
1c. In state s3, _____. (5 points)
a) p1 could request r,1
b) p2 could request r,3
c) p2 could acquire r,1