编辑一段给定的英文文章，使其更加简洁明了。

Computers are complex machines that use a combination of hardware and software to perform various tasks. Without either component, computers would not function. The hardware component of a computer includes the parts that you can physically touch, such as the keyboard, mouse, monitor, and motherboard. The software component of a computer includes the programs that run on the computer, such as the operating system, word processing software, and web browsers.
Computers use hardware and software to perform tasks. Hardware includes physical components like keyboard, mouse, monitor, and motherboard. Software includes programs like operating system, word processing software, and web browsers.