# ECT 274 Week 4 Quiz

1. (TCO 4) Which is an example of an analog quantity?

2. (TCO 4) Which is the step size of an 8-bit analog-to-digital converter with a reference voltage of 4 V?

3. (TCO 4) Which is the step size of a 12-bit analog-to-digital converter with a reference voltage of 3 V?

4. (TCO 4) Which data converter provides the most precise representation, given the same reference voltage for each?

5. (TCO 4) An 8-bit analog-to-digital converter has a reference voltage of 2 V. If the input is 1 V, which is the expected digital output (from MSB to LSB)?

6. (TCO 4) An 8-bit analog-to-digital converter has a reference voltage of 4 V. If the input is 1 V, which is the expected digital output (from MSB to LSB)?

7. (TCO 4) A 12-bit analog-to-digital converter has a reference voltage of 10 V. If the input is 2.2 V, which is the expected digital output (from MSB to LSB)?

8. (TCO 4) An 8-bit analog-to-digital converter has a reference voltage of 10 V and an output of 1100 0000. Which is the analog input voltage?

9. (TCO 4) A 16-bit analog-to-digital converter has a reference voltage of 2 V and an output of 0100 0000 0000 1000. Which is the analog input voltage?

10. (TCO 4) Which is the number of bits in an analog-to-digital converter?