Why is computer called diligent machine?

Diligence: - It is a characteristic of computer. Computers can work for many hours continuously without taking any rest and without decreasing its speed, accuracy and efficiency. It is free from tiredness,lack of concentration, fatigue etc.2)Versatile: -Computer is a versatile machine which can do varieties of task such as simple calculation to a complex and logical operation. It is used in various fields for various purposes.

Computer are persistent and power to do work for hours without tiredness and fatigue with same level of accuracy. That is why Computers are called diligent.