A. modem or d. voice input. Not a port because a port allows one to insert a peripheral device but not really communicate. I have no idea what an expansion slot is. It could be d. voice input because this allows a person to hold an audible conversation.
But I'd go for modem because a modem lets you connect devices like laptops, tablets, phones, computers etc. and share data between them. So things like mailing are possible (I THINK)! <span />
The physical devices that make up a computer system
What exactly is your question?
The correct answer to the question is option D.
A good number of desktop publishers would rather create the text portion of their documents using a word processing program, and then import the text into a desktop publishing file. Thankfully, w<span>ord processing programs are compatible with desktop publishing and other software programs.</span>
The answer is relay station.
Relay station is often used to improve the quality of a broadcast. It is an amplifier for restoring the strength of a transmitted signal. An amplifier is an electronic equipment that increases strength of signals passing through it. Relay station has been known as America's Friendliest travel center.
