WorksheetsADC 15.6.21
Total questions: 5
Worksheet time: 3mins
Name
Class
Date
1.
modulation of the amplitude of a radio carrier wave in accordance with the strength of the message signal known as
a)
Amplitude Modulation (AM)
b)
Frequency Modulation (FM)
c)
Phase Modulation (PM)
d)
Digital Modulation
2.
varying the carrier wave frequency in accordance with the frequency of the modulating signal is known as
a)
FM
b)
AM
c)
PM
d)
FSK
3.
Digital data converted in to analog by changing amplitude property of analog signal is known as
a)
Frequency Shift keying
b)
Amplitude Shift keying
c)
Phase Shift keying
d)
None of the above
4.
Every user in CDMA gets unique code which is known as
a)
Data rate
b)
bit rate
c)
amplitude rate
d)
Chipping sequence
5.
Frame that receives more than one bits in corrupted state is known as
a)
Single bit error
b)
Multi bit error
c)
Burst error
d)
None of the above
100 %
