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Which of the following steps detects the key in a 4*4 keyboard matrix about the key that is being pressed?
What is described by this command: CJNE A,#00001111b, ROW1
To detect that in which column, the key is placed?
In reading the columns of a matrix, if no key is pressed we should get all in binary notation
If we need to operate a key of a keyboard in an interrupt mode, then it will generate what kind of interrupt?
To identify that which key is being pressed, we need to:
Key press detection and Key identification are:
Why two pins for ground are available in ADC0804?
When is the function of the WR pin?
State which of the following statements are false?
While programming the ADC0804 IC what steps are followed?
Step size is selected by which two bits?
What is the difference between ADC0804 and MAX1112?
Which of the following statements are true about DAC0808 ?
8 input DAC has
INTR, WR signal are an input/output signal pin ?
What is the function of the SCLK pin in MAX1112 ?
A thermistor is a:
What is the difference between LM 34 and LM 35 sensors?
Transducers produce output voltage in the form of?
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