Explain how to recognize amplitudes in order for an analog signal to be correctly reconstructed in its original shape at the receiver side
What will be an ideal response?
To recognize these amplitudes, we need to hold the amplitude of each impulse signal constant during the sampling period after generating a specific impulse. Employing a capacitor at the output of a sampling circuit will help us hold each sample for a sampling period of time. There are many encoding methods in data communication. Return to Zero (RZ) and Not Return to Zero (NRZ) are two basic encoding methods. The sampled signal and sample and hold signal are representations of these two encoding methods respectively.
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Answer the following statements true (T) or false (F)
1. The following statement could be used to set the Filter property of the OpenFileDialog control so that it displays files with the .txt extension. Text Files (*txt)|*.txt 2. To get rid of an existing closed file, execute a statement of the form IO.File.Delete(filespec). 3. Text files are updated by opening them for Input and then entering the new data. 4. The value of sr.EndOfStream is True when the end of file accessed by the StreamReader is reached. 5. The following code is valid. Dim filespec As String filespec = InputBox("Enter name of file to process:") Dim sr As IO.StreamReader = IO.File.OpenText(filespec)
Eight bits together form a(n) _____.
Fill in the blank(s) with the appropriate word(s).