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A computer system is a functional unit, consisting of one or more computers and associated software, that uses common storage for all or part of a program, executes user-written or user-designated programs, and performs user-designated data manipulation.

en.wikipedia.org/wiki/Computer

A computer is a device that can be instructed to carry out an arbitrary set of arithmetic or logical operations automatically. The ability of computers to follow ...

www.bestbuy.com/site/electronics/computers-pcs/abcat0500000.c?id=abcat0500000

Get a computer designed to meet your needs, including laptops, desktops, all-in- one computers, monitors, and computer hardware at Best Buy.

www.walmart.com/cp/computers/3951

Find your next computer at Walmart.com. Shop laptops, desktops, netbooks, ultra -books and tablets at Every Day Low prices.

www.newegg.com/Computer-Systems/Store

Shop Computers, Laptops and 2-in-1's from HP, Microsoft, Dell, Lenovo and more! Newegg offers the best prices, fast shipping and top-rated customer service!

www.officedepot.com/a/browse/desktop-computers/N=5+967583

Desktop computers handle a variety of functions, which makes gaming, surfing the Internet and working fast and efficient. With many different styles to choose ...

www.tigerdirect.com/sectors/category/computers.asp

TigerDirect.com is your source for lowest computer prices in the industry!

www.amazon.com/computer-pc-hardware-accessories-add-ons/b?ie=UTF8&node=541966

Computers. Computer technology is constantly changing and top brands are continually launching new computer models. Amazon.com is here to assist you ...

www.microsoft.com/en-us/store/b/pc

Find the perfect PC. From desktop computers to laptops and tablets, the Microsoft Store offers powerful devices for all that you do.