The first computer was invented in 1971 by John Atanasoff and Clifford Berry.
There are approximately a total of 2.7 billion computers in the world, according to the International Telecommunications Union plus there are an estimated 20 million laptops in the world with constantly growing numbers and about 2.5 billion desktops in the world.
The computer-use rate was relatively high for managers and professionals (about 80 percent) and sales and office workers (67 percent).
Nearly one in four Americans made money over the last 12 months by using their personal computers or other devices connected to the internet. There are a lot of jobs on the internet availeble.