Question

What are the functions of a MODEM in computer networking​

Answer 1

Answer:

A modem is a device that modulates or demodulates the signal. · It acts as a bridge between the internet/telephone line and the computer.

External Modem:

Internal Modem: ...

Wireless Modem. ...

Dial-up Modem. ...

Cable Modem. ...

DSL Modem. ...

Satellite Modem. ...

Half-duplex Modem

Answer 2

Answer:

A function refers to a special relation which maps each element of one set with only one element belonging to another set.

The various types of functions are as follows:

• Many to one function

• One to one function

• Onto function

• One and onto function

• Constant function

• Identity function

• Quadratic function

• Polynomial function

• Modulus function

• Rational function

• Signum function

• Greatest integer function