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Microprocessors MCQs | Page - 1
Dear candidates you will find MCQ questions of Microprocessors here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
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Q. 1) for i/o of 8255,if -----, the word is taken as a bit set/rest word
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Q. 2) on activation of ----, 8255 loads data from the input port lines into the input buffer of that port
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Q. 4) in ----, bidirectional data transfer is possible
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Q. 5) walkie-talkie is an example of …..serial communication
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Q. 6) Transmission through telephone lines is an example of….serial commuincation
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Q. 7) Asynchronous serial communication involves
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Q. 8) to configure 8255 with port A output,Port B input port C lower output and port C upper input
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Q. 9) A high on ---line indicates that the buffer register is empty
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