Thinking concurrently (2.1.4)

Question 1

Concurrent programs

Answer 1

enables multi tasking
long tasks can happen alongside may small tasks
parallelism
allows for more tasks to be completed in a given time

Question 2

However concurrent programs

Answer 2

can cause instability (unexpected dependencies between processes)
processes can end up waiting for another process to execute (deadlock)
overheads(scheduling requires its own CPU time)