900000000
there are almost 90 bill computers in china.. reference... my self
about 400 computers are in China per 1000 homes
There are many types of controllers used in computers.
Most of HP notebook computers are manufactured in China. HP desktop computers are manufactured in many countries, one of them is Czech Republic. HP servers also are manufactured in few countries, including Czech Republic and Hungary.
China. but the usa also makes alot of computers, like apple. India is also developing in the industry of software.
There are many places online to find used computers. One play you may want to check out is Ebay.com. Another could be http://www.usedcomputer.com/. Googling the phrase "used computers" will come up with many websites that offer to sell used computers.
Computers can be used for many things. They are used for work, for businesses, for schools, and to connect with people all over the world.
500
Compaq computers/laptops are made in china
Nope
Countries where fewer citizens have computers
Billions.