What kind of communications device sends and receives data?A digital modem is a communications device that sends and receives data to and from a digital line. An ISDN modem sends digital data from a computer to an ISDN line and back.
What is it called when two or more devices transfer data instructions and information?Computer communications describes a process in which two or more computers or devices transfer data, instructions, and information. Figure 8-1 shows a sample communications system. Some communications involve cables and wires; others are sent wirelessly through the air.
Which device allows data to move from one network to another?Router. A router directs data requests from one network to another. Routers examine incoming packets to determine the appropriate destination IP address and then forward the packet to that destination. A router can also enable internet access through its connection to a modem, or as a combined modem-router.
What is a sending device?A device that initiates an instruction to transfer data, information and instruction is termed as sending device. An example of sending device is a computer or any mobile devices.
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