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Digital Vs Analog
Test Description: Comparing digital and analog signals
Instructions: Answer all questions to get your test result.
1) Analog signals are sent as discrete pulses in two states on=1 off=2
A
false
B
true
2) What value can an analog signal have?
A
it depends on the type
B
1 or 0
C
any whole number
D
any number or value
3) Identify a disadvantage of an analog signal
A
can be hard to interpret
B
require low power
C
quality always stays the same
D
don't have interference
4) What is an advantage of a digital signal over an analog signal?
A
digital signals travel faster
B
more noise in the digital signal
C
digital signals are reproduced with lower quality
D
digital signals are harder to store
5) A big advantage of digital technology is the recording does degrade over time.
A
false
B
not sure
C
true
6) Which is an example of an analog signal?
A
CD player
B
cell phone
C
record player
D
DVD player
7) Which has smooth and continuous data?
A
analog
B
digital
C
pulse
D
binary
8) A signal is a way to transmit ____________ by means of gesture, action, sound, or other means.
A
information
B
time
C
light
D
money
9) Morse code is a type of __________signal
A
digital
B
anolog
C
analog
D
old
10) Which is NOT an advantage of digital wave signals over analog wave signals?
A
digital signals travel faster
B
digital signals are easier to store
C
less noise in the digital signal
D
digital signals can be reproduced with higher quality
*select an answer for all questions
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