In this section we would cover some essential of computer hardware. We would start from very basic and goes to some advance topics. These topics would be very handy for you to locate the problem in computer hardware. You must have some basic skills in computer hardware even if you are preparing for network administrator job.
Computer hardware refers to objects that you can actually touch, like disks, disk drives, display screens, keyboards, printers, boards, and chips. In contrast, software is untouchable. Software exists as ideas, application, concepts, and symbols, but it has no substance. A combination of hardware and software forms a usable computing system. Computer hardware is the collection of physical elements that comprise a computer system. Computer hardware refers to the physical parts or components of computer such as monitor, keyboard, hard disk, mouse, etc.