Category: Network and Modem
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COM port C belongs to the category, Network and Modem. Basically, COM Port C is a serial port. COM is an abbreviation of the word communication. It is used to illustrate serial ports found on a computer. COM can be followed either by a number or a letter. This designates the specific serial port in the computer. Serial ports are harder to use as interfaces are compared to parallel ports. A serial port is a connection method that requires a serial transmission converted to a parallel transmission. By using the UART, the serial transmission can be converted to give the user the benefit of having a longer cable than that of the parallel cable. These devices can transmit a voltage of + or -3 and + or -25, while parallel ports transmitting zero voltage. Unlike parallel ports, serial ports have the capability to transmit up to voltages of 50.
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Serial ports are also easier to maintain as compared to parallel ports because they require less wires. This advantage allows users to have neat connections rather than messy parallel connections. COM ports are also able to transmit data at a rate of 8bits every transmission across a room. It also has the capability to decipher data relative to that of serial ports. These ports have built-in infrared transmission units that allow wireless data transfer. These ports make use of the RS232 bit length in order to cut down on power usage. These ports also have a micrometer built into them. These micrometers allow users to communicate with other users worldwide. Serial connections also reduce the pin use to only two. All COM ports can work with most Windows operating systems as well as Pentium III or higher processors. It is highly recommended you run a free registry scan for and COM Port C errors before installing any driver updates.