TELECOMMUNICATIONS SYSTEMS
COMMUNICATION WIRELESS COMPUTING DEVICES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Question 9:Which type of transmission media is the least expensive to manufacture? (6-9)
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Coaxial
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Twisted pair cable
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Plastic
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Fibre optic
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Explanation:
Detailed explanation-1: -1.TWISTED PAIR CABLE The least expensive and most widely used guided transmission medium is twisted pair.
Detailed explanation-2: -(B) Fiber optic cable-It has very high bandwidth.
Detailed explanation-3: -The optical fibre cable made up of glass is the most expensive one among all the transmission media.
Detailed explanation-4: -A twisted pair cable is made of two plastic insulated copper wires twisted together to form a single media. Out of these two wires, only one carries actual signal and another is used for ground reference. The twists between wires are helpful in reducing noise (electro-magnetic interference) and crosstalk.
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