Why is an analog signal used to approximate a digital signal?
What will be an ideal response?
From an engineering perspective, Fourier’s result is impractical for digital signals because
accurate representation of a digital signal requires an infinite set of sine waves instead an
approximate conversion of a signal from digital to analog can be used. So engineers build equipment
to generate analog waves that closely approximate the digital signal
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Increasing the exposure to darken areas on a print is called ____.
a. dodging b. sponging c. burning d. curbing
Substitution is also referred to as permutation
Indicate whether the statement is true or false.
You can reposition a worksheet by dragging its ____ to a new location.
A. sheet tab B. cells C. file name D. right border
The term _______________ means a video plays continuously, restarting from the beginning over and over.
Fill in the blank(s) with the appropriate word(s).