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Types of pc

An Example of a Serial Port
An Example of a Serial Port

Serial ports are typically identified on IBM compatible computers as COM (communications) ports. For example, a mouse might be connected to COM1 and a modem to COM2. The picture shows the DB9 serial port on the back of a computer.

image: pcmag.com
Close-up of a Sound Card
Close-up of a Sound Card

A sound card (also known as an audio card) is an internal expansion card that provides input and output of audio signals to and from a computer under control of computer programs. The term sound card is also applied to external audio interfaces used for professional audio applications.

Graphics Card
Graphics Card

If you want to dip your toes into the PC gaming waters without getting dunked by today’s astronomical graphics card prices, the Nvidia GeForce GTX 1050 ($135 and up on Amazon) is the clear choice for entry-level gaming.

source: pcworld.com
image: gfxcrack.com
Inside a Personal Computer
Inside a Personal Computer

Inside a computer Have you ever looked inside a computer case, or seen pictures of the inside of one? The small parts may look complicated, but the inside of a computer case isn't really all that mysterious.

image: youtube.com
Network Interface Card
Network Interface Card

A network interface card (NIC) is a circuit board or card that is installed in a computer so that it can be connected to a network. A network interface card provides the computer with a dedicated, full-time connection to a network.