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COM serial port
A common serial communication interface, which is generally connected using a standard DB9 male
interface.
Dimm
Dual-column in-line memory modules. is a small circuit board with a memory chipset.Provides a
64bit memory bus width.
Dram
Dynamic random access memory. is a common memory type for a normal computer. A bit is usually
stored with a transistor and a capacitor. With the development of technology, the types and
specifications of DRAM have become more and more diverse in computer applications.For example,
sDRAM, DDR SDRAM, and RDRAM are commonly used today.
LAN
The lan area interface. A computer network consisting of interconnected computers in a small area,
usually in an enterprise or building.Lan area networks are generally composed of servers,
workstations, and some communication links, a terminal that can access data and devices through
wires, and many users can share expensive equipment and resources.
Led
A light-emitting diode, a semiconductor device that lights up when the current is out of date and is
often used to express information very intuitively, such as indicating that the power supply is on or
that the hard drive is working.
Pnp.
Allows the PC to be automatically configured with external devices, a specification that allows the
user to work on its own without the user's manual operating system.
