Gaming Computers are computers built to have sheer power to play games. There are different levels of gaming computers, decent ones usually having at least a dual core, and a Nvidia GT or Radeon Equivelant, and 4 gigs of RAM.
custom computers
Custom computers are computer that are bought and put together by a person, and not bought from a company such as Dell, Gateway and HP. Custom computers tend to be more powerful and have many good looking aesthetics, depending on what the buyer bought. These put together computers can be very powerful.
Low end systems
What I call a lower end system, is a computer that can play most or all games, but at low to medium settings. These computers could be pre-built computers, such as ones from HP Pavilion, or Dell Inspiron. Or they could be a cheap system that someone put together. Or even a "Frankenstein" computer. A Frankenstein computer is a computer put together from parts from other computers. While Low end now, these systems can usually be upgraded to become faster and more powerful. These computers run a 2.2 GHz Dual Core, with 2 or less gigs of RAM, a 40 dollar video card,l and a 32 bit OS. Systems like these can play most games decently at low to medium settings, and generally cost around 300 dollars to build from scratch.
mid ranged systems
What I would call a medium gaming computer is something that can play all games on medium to high settings very decently. These Computers could be the more expensive pre-built computers from HP or Dell, or a computer some one put some money into and built. A Computer like this usually has 4-10 Gigs of 1600 MHz RAM, a 3.4 GHz Dual Core or Quad Core, a 50-100 dollar video card\, and a 64 bit OS. A system like this will play all games at medium to high very well, a system like this can cost between 400 to a 1000 dollars to build from scratch
high end systems
What I would call a High End computer is either a Alienware computer from Dell, or a built computer with a 3.4 GHz Quad Core, or Eight Core Processor, 16 gigs of 2500 MHz RAM, two 200+ dollar video cards set up in either SLI (Nvidia) or CrossFire (ATI), and a 64 bit OS. Systems like these generally use liquid cooling due to the massive heat generated by the processor and video card. Computers like this are built to play any game on all Ultra with absolutely no lag in any situation, however these are usually very expensive, and can range from 1000-3000 to build from scratch.
gaming laptops
Gaming Laptops are aimed towards people who like to game on the go, or for people who do not have the space for a desktop. Gaming laptops come with the same power as a desktop, but can seldom be upgraded and made better. For this reason, desktops almost always outlive laptops and are always faster. Gaming laptops also generate a lot of heat, and often need a laptop cooling mat to keep it cool.
Workstation Computers
Workstation Computers are computers that are designed to have more speed, but cannot be upgraded as much as other computers. For instance, A business computer can be upgraded for more RAM, and maybe a new processor, but rarely come with a separate graphics port, like AGP or PCI E. Instead, they come with regular PCI, which cannot deliver anywhere near the same performance as AGP or PCI E
where they're used
Generally, these computers are used in businesses that don't require a lot of power, such as an office, or a small store. They are often in pairs with internet systems depending on what the business owner wants and/or needs.
Internet computers
An Acer Laptop
There are few computers that are built specifically for internet, but Laptops generally fill this roll, and so do netbooks. Dell has the OptiPlex computer family, which is built to be used in a network. Tablets and some phones also fill this roll. The specs on these computers are relatively the same as business computers but some; especially the netbooks and tablets have lower performance.
where they're used
Computers like these are usually found in schools, and larger libraries (Minus the laptops) because they are designed to be connected through a large network, my high school for instance has 250+ OptiPlex's because they have a school network that they all connect to, allowing them to control them, and give the students something to log into and use.
An HP Mini
The different Dell OptiPlex's
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