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Parts inside a Computer case

_4286738The motherboard is the computer’s main circuit board. It’s a thin plate that holds the CPU, memory, connectors for the hard drive and optical drives, expansion cards to control the video and audio, and connections to your computer’s ports (such as USB ports). The motherboard connects directly or indirectly to every part of the computer.

 

 

downloadThe central processing unit (CPU), also called a processor, is located inside thecomputer case on the motherboard. It is sometimes called the brain of the computer, and its job is to carry out commands. Whenever you press a key, click the mouse, or start an application, you’re sending instructions to the CPU.

 

4g-ddr3-ram-memoryRAM is your system’s short-term memory. Whenever your computer performs calculations, it temporarily stores the data in the RAM until it is needed.

 

 

71fpynrmyvl-_sl1500_The hard drive is where your software, documents, and other files are stored. The hard drive is long-term storage, which means the data is still saved even if you turn the computer off or unplug it.

 

 

wewThe power supply unit in a computer converts the power from the wall outlet to the type of power needed by the computer. It sends power through cables to the motherboard and other components.

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