Virtual Labs

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Theory

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Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Feedback

Programming with on-chip ADC

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Intermediate

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1) What is the primary function of an Analog-to-Digital Converter (ADC)?

a: Convert digital signals into analog signals Explanation

Explanation

b: Convert analog signals into digital signals Explanation

Explanation

c: Store binary data in memory Explanation

Explanation

d: Transmit signals wirelessly Explanation

Explanation

2) Which factor determines the smallest change an ADC can detect?

a: Reference voltage Explanation

Explanation

b: Conversion time Explanation

Explanation

c: Resolution Explanation

Explanation

d: Clock speed Explanation

Explanation

3) How many steps does a 10-bit ADC have?

a: 256 Explanation

Explanation

b: 512 Explanation

Explanation

c: 1024 Explanation

Explanation

d: 2048 Explanation

Explanation

4) If an ADC has a reference voltage (Vref) of 5V and a resolution of 8 bits, what is the step size?

a: 5/256 = 19.53 mV Explanation

Explanation

b: 5/1024 = 4.88 mV Explanation

Explanation

c: 5/4096 = 1.2 mV Explanation

Explanation

d: 5/65536 = 0.076 mV Explanation

Explanation

5) What does the ADCON0 register control in an ADC module?

a: Setting the reference voltage Explanation

Explanation

b: Adjusting the acquisition time Explanation

Explanation

c: Configuring digital I/O pins Explanation

Explanation

d: Selecting the analog input channel and starting the conversion Explanation

Explanation

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