In general,noise can be defined as
A) loud,high amplitude signals.
B) errors in transmission.
C) signals generated by internetworking equipment.
D) analog signals instead of digital.
E) unwanted energy or signals on the transmission path.
Correct Answer:
Verified
Q2: Attenuation is the reduction in signal strength
Q3: In order to completely compensate for attenuation,the
Q5: Attenuation is greater at lower frequencies.
Q5: Analog signals differ from digital signals in
Q6: The loudness of a signal is measured
Q8: Given a frequency of 1000 Hz and
Q9: Convert 1 1/2 p radians to degrees.
A)45
B)90
C)180
D)270
E)360
Q10: The bandwidth of a signal is
A)the width
Q11: The frequency of human speech is in
Q12: In the telephone system,conversations are reproduced using
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