parallel and concurrent processing (the difference)

Question 1

what is parallel processing

Answer 1

Parallel processing is when more than one processor is executing separate instructions at the same time (used to complete more than one task simultaneously )

Question 2

what is concurrent processing

Answer 2

Concurrent processing is when more than one process is running from a program at once, with each task / process in turn being given a slice of the processor time. makes it look like tasks being completed simultaneously when in reality, they are executed sequentially