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Que. A system contains 10 units of resource of same type. The resource requirement and current allocation of these resources for three processes P, Q and R are given below.Consider the following resource requests :

(i) P makes a request for 2 resource units.
(ii) Q makes request for 2 resources units.
(iii) R makes a request of 2 resource units.

For a safe state, which of the following options must be satisfied ?
a. Only request (i)
b. Only request (ii)
c. Only request (iii)
d. Request (i) and (ii)
Answer:Only request (iii)
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