Q4. Name and explain the type of transmission medium that is used by
Wireless Keyboard and Mouse.
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Infrared Waves Infrared (IR) waves are used in extremely small distance communication as they cannot go through obstacles. So it stops intrusion between systems. The range of frequency of these waves is 300GHz to 400THz. These waves are used in TV remotes, keyboards, wireless mouse, printer, etc.
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Answer:total number
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