Engine : Electricity - 878/1386
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| Which of the following statements concerning analog and digital devices is correct? |
| A) There are no basic differences between the two systems. |
| B) Analog devices are superior in accuracy compared to digital devices. |
| C) Operations in a digital device are performed simultaneously. |
| D) The variables in digital systems are fixed quantities, and the variables in analog systems are continuous quantities. |
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