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WorksheetsDigital and analog signals
Total questions: 10
Worksheet time: 6mins
A(n) analog signal is one that changes continuously
True
False
Radio waves are an example of a digital signal.
True
False
Digital signals are more affected by noise than analog signals.
True
False
Computers use a series of ______ numbers to encode information.
Which is the best model of an analog signal?
a smooth wave
a light switch going on and off
a series of 1’s and 0’s
a series of pulses
Which best compares the reliability of analog signals and digital signals?
Only analog signals are reliable.
Analog signals are more reliable than digital signals.
Digital signals are more reliable than analog signals.
Both types of signals are equally reliable.
Which best describes binary numbers?
a continuously changing wave
a set of two discrete values , 0 and 1
a large array of values
a set of four or five numbers
For which type(s) of signals does noise alter the original information?
analog only
digital only
both analog and digital
neither analog nor digital
Identify the type of signal represented by each figure.
figure 1 is analog signal
figure 1 is digital signal
figure 2 is digital signal
figure 2 is analog signal
Describe in words, what did you learn today?
