TELECOMMUNICATIONS SYSTEMS
HOW STAR BUS RING MESH TOPOLOGY CONNECT COMPUTER NETWORKS IN ORGANIZATIONS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Fax machine
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V90 modem
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IDSN Adapter
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LAN Adapter
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Detailed explanation-1: -A modem is a hardware device that allows a computer to send and receive data over a telephone line or a cable or satellite connection. MODEM stands for modulator-demodulator.
Detailed explanation-2: -Modem stands for MOdulator/DEModulator. A modem converts digital signals generated by the computer into analog signals which can be transmitted over a telephone or cable line and transforms incoming analog signals into their digital equivalents.
Detailed explanation-3: -A device that enables your computer to send digital signals via the Internet using a telephone line. The modem converts (or modulates) the digital signal, which doesn’t transmit efficiently over a phone line, into an analog signal that does.
Detailed explanation-4: -MODEM performs the task of Modulation at sender’s site and DEModulation at the receiver’s end. Basically our computer generates data in the form of digital signals which needs to be forwarded to the receiver through telephone lines. Since telephone lines can carry only analog signals.