Using the com port
Serial and USB ports are most often used to connect an external modem to a PC.
Yes. Early dial-up modems were often external, until computer manufacturers caught up and began making them internal.
Yes, modems can be both internal and external.
Intel does not use refurbished motherboards in there pc workstations.
ATX Motherboards are often the preferred motherboard to use in a desktop computer. According to TechRadar, some of the best manufacturers of the Micro ATX motherboards are ASUS, AMD, MSI and Sapphire.
Desktop motherboards all conform to one of several standard form factors, such as ATX, microATX, NLX, or mini-ITX. The motherboards in laptops, however, all have different sizes and are custom fitted for the laptop chassis. Laptop motherboards do not typically provide the number of expansion slots found in desktop motherboards.
False, new motherboards often include a 4 or 8 pin cable to provide power exclusively for the processor.
Not in the strictest sense. It is an IO device and a converter. They often do have processors on them, and they are used for conversion, compression, and decompression.
MicroATX motherboards can be bought from many different online retailers, including Amazon, Microdirect, eBay and eBuyer. It can be difficult to purchase motherboards on the high street and these websites often offer discounts.
Modem & Router.
Often times, motherboards that have the video card built-in will have to share video memory with system memory.
A modem is a serial port interface to a telephone line, allowing you to create dialup connections to other modem equipped computers. Often, a modem card includes a serial port interface, a COM port. The term modem has also become applicable to other interfaces, such as DSL modems and cable modems, though that usage is tenuous in some cases. Modem stands for Modulator/Demodulator.