Question A$4$

Concurrency programming is a condition where two or more tasks are executed independent of each other. Tasks are executed at the same time to optimize performance.

$($a$)$ Describe with your own example about how concurrency programming happens in each of the following scenarios: $($i$)$ an employee accesses to the Internet using Windows and $($ii$)$ a student runs the mobile apps with a smart phone.

$(4$ marks$)$

$($b$)$ Discuss how the situation of concurrency relates to time sharing.

$(2$ marks$)$

$($c$)$ Suggest how the processes are protected under concurrency programming.

$(2$ marks$)$

$($d$)$ Describe a deadlock situation under concurrency programming.

$(2$ marks$)$