Q. If we need to operate a key of a keyboard in an interrupt mode, then it will generate what kind of interrupt?

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Q. To identify that which key is being pressed, we need to:

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Q. Key press detection and Key identification are:

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Q. Why two pins for ground are available in ADC0804?

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Q. When is the function of the WR pin?

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Q. State which of the following statements are false?

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Q. While programming the ADC0804 IC what steps are followed?

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Q. Step size is selected by which two bits?

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Q. What is the difference between ADC0804 and MAX1112?

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Q. Which of the following statements are true about DAC0808 ?

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Q. 8 input DAC has

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Q. INTR, WR signal are an input/output signal pin ?

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Q. What is the function of the SCLK pin in MAX1112 ?

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Q. A thermistor is a:

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Q. What is the difference between LM 34 and LM 35 sensors?

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Q. Transducers produce output voltage in the form of?

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Q. What is signal conditioning?

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Q. What steps have to be followed for interfacing a sensor to a micro controller 8051?

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Q. LM35 has how many pins?

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Q. Why Vref is set of ADC0848 to 2.56 V if analog input is connected to the LM35?

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