Networking Devices What Is Networking Device??? Hardware devices that are used to connect computers, printers, fax machines and other electronic devices to a network are called network devices. 1. Types Modem Repeater Hub Bridge Switch Router Gateway Modem Modem is a device that enables a computer to send or receive data over telephone or cable lines. The data stored on the computer is digital whereas a telephone line or cable wire can transmit only analog data. The main function of the modem is to convert digital signal into analog and vice versa. Modem is a combination of two devices - modulator and demodulator. The modulator converts digital data into analog data when the data is being sent by the computer. The demodulator converts analog data signals into digital data when it is being received by the computer. Repeater A repeater operates at the physical layer. Its job is to regenerate the signal over the same network before the signal becomes to