6 May, 2018
The computer was first invented by Charles Babbage in 1812. It has four main components - the central processing unit (CPU), monitor, keyboard and mouse. Using a computer has many advantages and disadvantages. Computers follow human instructions and have an unparalleled speed in data processing. Computers are a tool of the 21st century.
Shyamali Kahawatte, Grade 12, Thakshila Maha Vidyalaya, Galenbindunuwewa.