<br/><br/>Food for thought: You'll notice there are little spikes,
sometimes called <i>glitches</i>, in the output waveform (see the
bottom cyan-colored waveform in Figure 1). These only occur when the
A and B inputs are changing simultaneously and the C input is high.
Can you explain why? Think about what is happening in the pulldown
circuitry at the time the glitches occur.
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<div class="detailed-solution">
<p>Explanation</p>
<p>A voltage divider that evenly divides the input voltage can be formed with two identically valued resistors, with the sampled voltage taken in between the two.</p>
<p>A simple high-pass filter without any further constaints can be formed by simply putting a resister in series with a capacitor. The actual values of the components do not really matter in order to meet the constraints of the problem.</p>
<p>The mathematical summary of many of the theory of relativity developed by Einstein is that the amount of energy contained in a mass m is the mass time the speed of light squared.</p>
<p>As you can see with the formula entry, the answer is \(\frac{R_1*R_2}{R_3}\)</p>
A multiple choice response problem presents radio buttons for student
input. Correctness of
input is evaluated based on expected answers specified within each
"choice" stanza.
A multiple choice problem presents radio buttons for student
input. Students can only select a single option presented. Multiple Choice questions have been the subject of many areas of research due to the early invention and adoption of bubble sheets.</p>
<p> One of the main elements that goes into a good multiple choice question is the existence of good distractors. That is, each of the alternate responses presented to the student should be the result of a plausible mistake that a student might make.
<p>The release of the iPod allowed consumers to carry their entire music library with them in a format that did not rely on fragile and enery-intensive spinning disks. </p>
<p>Pi, or the the ratio between a circle's circumference to its diameter, is an irrational number known to extreme precision. It is value is approximately equal to 3.14.</p>
<p>Although you can get an exact value by typing 502*9 into a calculator, the result will be close to 500*10, or 5,000. The grader accepts any response within 15% of the true value, 4518, so that you can use any estimation technique that you like.</p>
<p>If you look at your hand, you can count that you have five fingers.</p>
<p>OptionResponse gives a limited set of options for students to respond with, and presents those options
in a format that encourages them to search for a specific answer rather than being immediately presented with options from which to recognize the correct answer.</p>
<p>
An option response problem presents option boxes for students to select from. Correctness of input is evaluated based
on which option is defined as correct in the optioninput statement.
The answer options and the identification of the correct answer is defined in the <b>optioninput</b> tag.
<p>Multiple Choice also allows students to select from a variety of pre-written responses, although the format makes it easier for students to read very long response options. Optionresponse also differs slightly because students are more likely to think of an answer and then search for it rather than relying purely on recognition to answer the question.</p>
A string response problem accepts a line of text input from the
student, and evaluates the input for correctness based on an expected
answer within each input box.
The answer is correct if it is the expected answer.
The answer is correct if it matches every character of the expected answer. This can be a problem with international spelling, dates, or anything where the format of the answer is not clear.
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<p style="display:inline">Which US state has Lansing as its capital?    </p>
<p >Which US state has Lansing as its capital? </p>
