MCQOPTIONS
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				| 1. | 
                                    Which of the following characterizes an analog quantity? | 
                            
| A. | Discrete levels represent changes in a quantity. | 
| B. | Its values follow a logarithmic curve. | 
| C. | It can be described with a finite number of steps. | 
| D. | It has a continuous set of values over a given range. | 
| Answer» E. | |