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Communication Systems

Communication Systems - Engineering

Communication Systems - Section 1
Communication Systems - Section 2
Communication Systems - Section 3
Communication Systems - Section 4
Communication Systems - Section 5
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Communication Systems - Section 10
Communication Systems - Section 11
Communication Systems - Section 12
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Communication Systems - Section 14
Communication Systems - Section 15
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Communication Systems - Section 17
Communication Systems - Section 18
Communication Systems - Section 19
Communication Systems - Section 20
Communication Systems - Section 21
Communication Systems - Section 22
Communication Systems - Section 23
Communication Systems - Section 24
Communication Systems - Section 25

Pulse modulation is often used in

A microwave band

B FL band

C telegraphy

D telephony

ANS:C - telegraphy

I think thee right Answer is D.

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