Computer uses
Hello, I want to search for essay on computer uses. ... At that time a computer was as big as a room and composed of thousands of vacuum tubes. In the early stage, this computer could do just some simple calculations such as adding, subtracting, multiplying and dividing. ... At first the price of a computer was very high, so that computers were only used in some academic institutions. ... Nowadays, the price of a computer is very reasonable, most families can afford one. ... The speed of a computer is now up to millions of caculations per second.