Computer Hardware | Components of Computer | How to connect Motherboard | About Hardware
Computer hardware includes the physical parts of a computer. It refers to the computer system, especially those that form part of the central processing unit. Computer technicians should know the basic components of computer hardware and how to work with each part, including the motherboard, power supply, keyboard, mouse and monitor. In this article, we discuss what computer hardware is and the basic components of it along with how computer technicians can safely troubleshoot key parts of a personal computer.
The CPU controls the computer processes and communicates with the other components of a personal computer. A computer's CPU may be one of the most complicated parts of the computer because of its intricacies. If a computer is experiencing CPU issues, a computer technician may start by checking the fan and cleaning out any dust or debris inside the machine. Another step a computer technician may complete is verifying that power supply cables work. A CPU will not function properly unless it receives a signal from the power supply.
The motherboard provides the structure for all other components and connects them, while also providing a way to distribute power, deliver information and connect to devices such as a printer or mouse. It controls how data transfers and what type of monitor or screen device to use, for example. It houses the CPU, memory and secondary storage devices such as hard drives.
RAM is where data lives temporarily while it's being actively used by programs, such as when a user launches a computer application. A technician may know how to identify the type of RAM in a computer, how to replace it if it's defective and how to diagnose problems with copying data from one location in memory to another.
A power supply provides electricity to all components of a computer system. Typically, it's a power cord connected from the back of a PC tower into an electricity socket. A technician may troubleshoot the power supply by turning off the computer, unplugging and detaching the power supply cord or trying a new cord or outlet.
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