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Computer Hardware Vocabulary

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CPU
Central Processing Unit, the brains of the computer.
format
To prepare a disk so that data and programs can be stored on it.
motherboard
A circuit board that contains all of the computer system's main components.
memory chip
The part of the CPU that holds memory.
expansion board
A circuit board used to connect a device to a computer's motherboard.
storage device
Hardware that allows you to store information, such as a hard drive or a flash drive.
hardware
The physical equipment of a computer system that you can touch.
monitor
The computer screen.
peripherals
Computer add-ons like printers, mice, keyboards, etc.
port
outlet in a computer where other equipment can be plugged in.
router
a device that connects multiple computers on a network.
firewall
hardware or software that prevents outside users from accessing a computer.