Explain the purpose of an encoder and decoder in a communications system.
What will be an ideal response?
At the source of a communication, an encoder is responsible for converting the message into a form appropriate for transmission. At the destination, a decoder is responsible for converting the message
back into a form readable by the receiving device, such as a cell phone, personal digital assistant (PDA), or computer.
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To convert a millimeter dimension to inches, divide it by ____.
A. 23.4 B. 24.5 C. 25.4 D. 26.5
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An example of a warm season turfgrass is ryegrass
Indicate whether the statement is true or false
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Ohm’s law helps us to predict or confirm proper ____ operation.
a. circuit b. electronic c. mechanical d. current
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What percent of 80 is 40?
A. 30 B. 40 C. 50 D. 60
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