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www.reference.com/technology/many-computers-world-e2e980...

How Many Computers Are There in the World? As of October 2014, there were nearly 2 billion personal computers used worldwide. By comparison, the 1 billionth personal computer was shipped in 2002, although 1 billion computers were in use in 2008. Several research groups believe the 2-billion mark of PC usage will occur sometime in 2015 or 2016.

en.wikipedia.org/wiki/List_of_operating_systems

This is a list of operating systems.Computer operating systems can be categorized by technology, ownership, licensing, working state, usage, and by many other characteristics. In practice, many of these groupings may overlap. Criteria for inclusion is notability, as shown either through an existing Wikipedia article or citation to a reliable source.

www.quora.com/How-many-PC-exist-in-the-world

In October 2014, there were two billion personal computers in use throughout the world.This is found by counting the number of computers connected to the Internet and then estimating the number that aren’t but are still in use (such as computers that run 2000-era software or older).

hypertextbook.com/facts/2004/DianeEnnefils.shtml

How many personal computers are there in the United States? The Old Farmer's Almanac. "According to the Computer Industry Almanac Web site, at the end of the year 2000, there were 168.84 million computers in use. The projection for the end of 2001 is 182.24 million." 68.4 million (2000)

www.reference.com/technology/many-computer-viruses-4dd03a...

There is no direct figure as to how many computer viruses there are because new viruses emerge almost every day. However, in 2008, there were more than 1 million computer viruses. According to zdnet.com, in 2012, the Symantec virus definition file contained over 17 million separate signatures.

www.howmanyarethere.net/how-many-computers-in-the-world

Today i touched again my pc and i asked to myself how many computers in the world ? i started to search and i found my question answer. The answer is realy suprise for me beacuse i didn’t think the world have alot of computer like this. Can you Believe that the WORLD have 1.1 Bilion Computers. The searchers says ” it will be 2 Bilion on 2016

www.computerhope.com/issues/ch001921.htm

Computer generations are based on when major technological changes in computers occurred, like the use of vacuum tubes, transistors, and the microprocessor. As of 2018, there are five generations of the computer. Review each of the generations below for more information and examples of computers and ...

www.worldometers.info/computers

According to Gartner Dataquest's statistics, in April 2002 the billionth personal computer was shipped. The second billion mark was supposedly reached in 2007. But how many computers are actually in use? According to a report by Forrester Research, there were over one billion PCs in use worldwide by the end of 2008, and over 2 billion by the ...

www.forbes.com/sites/quora/2013/01/07/how-many-things-are...

This is a topic that is important to us at Cisco. We believe the number of internet connected devices reached 8.7 billion in 2012. There are a number of estimates out there by others, but they are ...

www.census.gov/topics/population/computer-internet.html

Computer and Internet Use in the United States: 2015 This report is an update to the 2013 report. It highlights computer and Internet use data for various demographic and geographic characteristics.