Another key difference between humans and computers is that humans can easily learn new concepts, although they have trouble with the retention of those newly learned concepts. Computers, on the contrary, have a notable capability of doing multiple tasks at the same time. This is really one of the things that humans find difficult to do. However, it must not be forgotten that humans too are capable of multitasking, but only to the extent of doing autonomic or involuntary tasks, such as breathing and the beating of the heart.