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Questions and Answers
Which operating mode of the 8255 microprocessor allows Port A and Port B to be configured as bidirectional I/O ports?
Which operating mode of the 8255 microprocessor allows Port A and Port B to be configured as bidirectional I/O ports?
- Mode 2 (correct)
- Mode 0
- Mode 3
- Mode 1
In which operating mode of the 8255 microprocessor are the three ports (Port A, Port B, and Port C) configured individually as input or output?
In which operating mode of the 8255 microprocessor are the three ports (Port A, Port B, and Port C) configured individually as input or output?
- Mode 1
- Mode 3
- Mode 2
- Mode 0 (correct)
Which operating mode of the 8255 microprocessor includes additional control signals to enable latching of input data and/or output data?
Which operating mode of the 8255 microprocessor includes additional control signals to enable latching of input data and/or output data?
- Mode 2
- Mode 0
- Mode 3
- Mode 1 (correct)
How many operating modes does the 8255 microprocessor have?
How many operating modes does the 8255 microprocessor have?
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Which port of the 8255 microprocessor is configured as a control port for setting various operational modes in Mode 2?
Which port of the 8255 microprocessor is configured as a control port for setting various operational modes in Mode 2?
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