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CBSE Class 9 Computer Applications Question 19 of 81

Computer Networking — Question 3

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Question 3

Explain the types of modem.

Answer

Modems are available in two categories:

  1. Internal modem — These are attached to the internal slot of the motherboard. These are categorised as full duplex and half duplex which are used for fax and internet communications. They can also be used for data and voice communication.
  2. External modem — It is a small box connected to the communication port of the computer. It works similar to the internal modem. The only difference is that it is placed outside the CPU box.