Question $2(6$ Points$)$:

$2\mathrm{.}1)(1$ Points$)$ Explain the difference between "deadlock prevention" and

"deadlock detection and recovery".

$2\mathrm{.}2)(1$ Points$)$ Explain the difference between "Wait$/$Die$"$ and "Wound$/$Wait$"$

techniques for deadlock prevention.

$2\mathrm{.}3)(2$ Points$)$ Given the following schedule, draw the wait$-$for graph. Is there a

deadlock?