Find out more about setting up equipment in a computer lab . The faster the chip, the faster your machines will run, so get the fastest you can afford. A keyboard and mouse. Many systems do not include these essential input devices in their basic price. A monitor, which can come in various sizes and resolutions.
Resolution refers to the detail and quality of the images the monitor can display.
Memory, which is what the computer uses to perform calculations and operations while you are using an application. The more memory you have, the better, especially if you will be using memory-intensive applications like PhotoShop or working with video. Additional memory can be added to most computers, but buy as much as you can afford at the outset. Storage devices, which are where you keep your files. The hard drive is where you will store the applications you use on the computer, most of the files you and your kids are actively working on and, possibly, archives of old files.