Central Processing Unit - The CPU (Central Processing Unit) is the part of a computer system that is commonly referred to as the "brains" of a computer. The CPU is also known as theprocessor or microprocessor. The CPU is responsible for executing a sequence of stored instructions called a program.
Motherboard - A printed circuit board containing the principal components of a computer or other device, with connectors into which other circuit boards can be slotted.
Power Supply Unit - A power supply is an internal hardware component thatsupplies components in a computer with power. The power supply converts a 110-115 or 220-230 volt alternating current (AC) into a steady low-voltage direct current (DC) usable by the computer and rated by the number of watts it generates.
RAM (pronounced ramm) is an acronym for random access memory, a type ofcomputer memory that can be accessed randomly; that is, any byte of memory can be accessed without touching the preceding bytes. RAM is the most common type of memory found in computers and other devices, such as printers.
Hard Drive - A hard disk drive (HDD), hard disk, hard drive or fixed disk [b] is a data storage device used for storing and retrieving digital information using one or more rigid ("hard") rapidly rotating disks (platters) coated with magnetic material.
Video Card - A printed circuit board controlling output to a display screen.
Sound Card - A device that can be slotted into a computer to allow the use of audio components for multimedia applications.
Network Card - A Network interface card, NIC, or Network card is an electronic device that connects a computer to a computernetwork, usually a LAN. It is considered a piece of computer hardware. Today, most computers have network cards.
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