Virtual Labs

Electronics and Communication Engineering Embedded System Design with 8051 and PIC Microcontroller Experiments

Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Contributors

Feedback

Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Contributors

Feedback

Analog-to-Digital Converter

What does an ADC do?

a: Converts digital to analog b: Converts analog to digital c: Amplifies the analog signal d: Filters the digital signal

Which of the following is a commonly used 8-bit ADC?

a: DAC0808 b: LM35 c: ADC0804 d: MAX232

Which pin on ADC0804 starts the conversion process?

a: INTR b: Vref c: RD d: WR

How many output lines are there in an 8-bit ADC?

a: 4 b: 8 c: 10 d: 16

What is the main role of a 7-segment display in this experiment?

a: Store the ADC result b: Display the analog voltage c: Show the converted digital output d: Convert digital to analog

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