ECET105 – Digital Fundamentals Homework Assignment #1 Name _ 1. Does a typical computer have any analog outputs? If so, what are they? Yes, most computers typically use speakers to produce sound output which uses analog output. 2. List three advantages of digital signal representation as compared...
1 does a typical computer have any analog outputs if so
what are they
2 list three advantages of digital signal representation as compared to their analog representation
3 convert 126 x 102 to
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ECET 105
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ECET105 – Digital Fundamentals
Homework Assignment #1
Name _
1. Does a typical computer have any analog outputs? If so, what are they?
Yes, most computers typically use speakers to produce sound output which uses analog
output.
2. List three advantages of digital signal representation as compared to their analog
representation.
Three advantages of digital signal representations over analog are that it is not effected by
external noise as bad as analog, uses less bandwidth, and you can accomplish
multidirectional transmission simultaneously.
3. Convert 126 x 10+2 to scientific and engineering notations.
1.26 x 10^4 (scientific)
12.6 x 10^3 (engineering)
4. Make the following conversions:
a. Convert 0.34 seconds to milliseconds.
340 x 10^-3 ms
b. Express 0.0005 x 10-4 farads as picofarads.
50000000 x 10^-12 picofarads
5. The frequency of a signal is equal to the reciprocal of the signal’s period (f = 1/p). For a
computer with a 2.4 GHz clock, what is the clock period? Use engineering notation for
your answer.
2.4 x 10^9 = 1/p .4 x 10^9 = .4 x 10^-9 = .4 ns
6. The signal shown below is a sine wave as it might be displayed on an oscilloscope. If it
takes 40 msec. for the waveform to travel between the points shown by the arrow “B”
below, what is the frequency of the waveform?
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