At present Evolution of Technology Make us more comfortable, especially function computer programs.
Because have a variety of available. These computers have the ability to perform multiple tasks at once.
This is different to the human brain they can’t work to good effect in several tasks simultaneously.
The Psychologists have conducted experiments with the human brain. Tests from simple exercises to practice the tough decisions. To make the test more slowly than the first. It mean that if brain is multitask like simultaneously is will be error and slow down. So we should work one by one it is better to use multiple brain at the same time. Because brain of human and a computer is not the same.