FAX MACHINES

 A fax machine is a standard tool in nearly every office. At one time, all fax machines were separate stand-alone devices for sending and receiving images over telephone lines. Now, most computer systems have that capability with the simple addition of a fax/modem board. To send a fax, these devices scan the image of a document converting the light and dark areas into a format that can be sent electronically over standard telephone lines. To receive a fax, these devices reverse the process and print the document (or display the doc ument on your monitor) using signals received from the telephone line.

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