Internal Parts Of The System Unit

•Hard Disk Drive

A hard disk drive (HDD), hard disk, hard drive, or fixed disk is an electro-mechanical data storage device that stores and retrieves digital data using magnetic storage and one or more rigid rapidly rotating platters coated with magnetic material.

•Video card

Video card, also called graphics card, integrated circuit that generates the video signal sent to a computer display. It contains a graphics processing unit (GPU), which is a processor dedicated to creating images; a digital-to-analog converter; and memory chips that store display data.

•Cd-from drive

A Compact Disc, also called a CD is a storage device that are small plastic discs which store and retrieve computer data or music using light. Compact Discs replaced floppy disks because they were faster and could hold more information. The CDs made floppy disks become obsolete.

•Computer Fan

A computer fan is any fan inside, or attached to, a computer case used for active cooling. Fans are used to draw cooler air into the case from the outside, expel warm air from inside and move air across a heat sink to cool a particular component.

•CPU

A CPU is a small but mighty computer chip found on top of the motherboard in your PC. It's placed into the CPU socket with its pins facing down. Your CPU is different from the GPU (graphics processing unit) which renders images and video on your display.

•Motherboard

A motherboard is the main printed circuit board in general-purpose computers and other expandable systems. It holds and allows communication between many of the crucial electronic components of a system, such as the central processing unit and memory, and provides connectors for other peripherals.