Engine_2014 : Electricity - 2043/2299
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| Which of the following statements concerning analog and digital devices are correct? |
| A) The variables in digital systems are fixed quantities, and the variables in analog systems are continuous quantities. |
| B) There are no basic differences between the two systems. |
| C) Analog devices are superior in accuracy compared to digital devices. |
| D) Operations in a digital device are performed simultaneously. |
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