interface an 8-pin switch with 8085 microprocessor located at 0AAH and LEDs at port 55H, draw the circuit diagram. Write down a program to read the switches and do the following: > if the parity of the switch is odd, start counting upward until it reaches 0FFH. > if the parity of the switch is even, start counting downwards until it reaches 00H.

0 Answers  

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the pic micro controller have internal oscillator but why we use external oscillator

6 Answers  

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What is eddy current?

5 Answers   CTS,

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Explain when a sample of germanium and silicon having same impurity density are kept at room temperature then resistivity of silicon will be higher than that of germanium, why?

0 Answers  

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send me the bhel apprentice training written test model question papers

4 Answers   Bhel, TATA,

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In UMTS, which will control RRC protocol??

0 Answers   Motorola,

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When do we need drive test?

0 Answers  

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What is meant by unidirectional or half-wave ac voltage controller?

0 Answers  

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what is the meaning of crest factor

1 Answers  

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what is the main defference between analog and digital circuits?

3 Answers   Astra,

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How micro processor works without internal memory?

0 Answers  

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Explain why is a two-input nand gate called universal gate?

0 Answers  

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