
SIGNALS
Authored by Moustafa Elsayed
Science
6th - 8th Grade
Used 20+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A __________ is a piece of information that is communicated through using the senses.
wave
signal
circuit
notification
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To translate information into the form of code
transmit
encode
signal
encrypt
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Change continuously over time; represented by a continuous smooth curve; can be a range of values
analog signals
digital signals
wireless signals
electric signals
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Is discrete and not continuous; represented by two values - either on or off
analog signals
digital signals
wireless signals
electric signals
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A signal to or from a computer is encoded into _________________, such as the two values - on (1) or off (0).
analog signal
digital signal
binary numbers
electricity
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
the unwanted modification of a signal
encryption
noise
analog
modulation
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
a signal whose frequency is modulated
FM
AM
PM
IM
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