Question

In a PC to telephone hook up for long distance communication, modem is connected between the telephone line and

• A. PC
• B. Synchronous port
• C. Cross over cable
• D. Asynchronous port

Answer 1

The correct option is D Asynchronous port

In a PC to telephone hook up for long distance communication, modem is connected between the telephone line and asynchronous port.

Modem:-

A modem (modulator–demodulator) is a network hardware device that modulates one or more carrier wave signals to encode digital information for transmission and demodulates signals to decode the transmitted information.

Asynchronous port:-

Asynchronous serial communication is a form of serial communication in which the communicating endpoints' interfaces are not continuously synchronized by a common clock signal.