PORTS ON MOTHERBOARD
IEEE – 1394 : This port is called Fire Wire first developed by APPLE, it is a high speed bus system and is used to connect multimedia and storage peripherals .
USB: Universal Serial Bus is the interface and standard for the present devices like Digital cameras, Flash Drives and many other.
COM(serial): The COM or communication port is used mainly connecting mice & external Modems, Presently USB has taken as standard.
COM( parallel): These ports are mainly used for printers and scanners.
PS2: There are two ports which are used by mouse and keyboard.
VGA: This port is mainly used for CRT and TFT monitors.
DVI: This port is used for connecting LCD/TFT monitors for receiving pure and lossless signals.
Ethernet: This port is used for connecting the PC to a network (Internet, wan, Lan).
DIMM slots: These slots are used to install memory modules .The number of DIMM slots increase the amount of RAM.
SATA: This is the newer generation cable consisting of 4 wires creates a point to point connection between devices. The transfer rate of about 150 Mbps to 300 Mbps and extend up to 1 meter. This replaces the IDE cables which are 40 cm long with 40 or 80 thin wires together with less band width.