Question $1$

$3$ pts

Select the statement$($s$)$ that is$/$are true about processes and system calls.

A child process that places sys call fork$()$ gets $0$ as the return value of fork$().$

Processes can go from ready state to waiting state.

Orphan processes become zombie processes next time they will execute on the processor.

Sys call wait$()$ takes a process from the ready queue and places it in the waiting queue

Processes can go from waiting state to ready state.