Question

FISIO
6. A system has 12 magnetic tape drives and 3 processes : PO, P1, and P2. Process
PO requires 10 tape drives, P1 requires 4 and P2 requires 9 tape drives.
Process PO P1 P2 Maximum needs (process-wise: PO through P2 top to bottom)
10, 4, 9; Currently allocated (process-wise) 5, 2, 2
Which of the following sequence is a safe sequence?
O
PO, P1, P2
O P2, PO, P1
O P1,PO,P2​

Answer 1

Answer:

dont know really sorry

Explanation: