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