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Questions and Answers
How many 8-bit bidirectional I/O ports does the Intel 8255 PPI consist of?
How many 8-bit bidirectional I/O ports does the Intel 8255 PPI consist of?
- Two
- Three (correct)
- Four
- One
Which port of the 8255 PPI can be further divided into two 4-bit ports?
Which port of the 8255 PPI can be further divided into two 4-bit ports?
- Port A
- Port B
- Port C (correct)
- None of the above
In how many modes can Port A work in the input-output mode of 8255 PPI?
In how many modes can Port A work in the input-output mode of 8255 PPI?
- Four
- One
- Two
- Three (correct)
Which control groups does the 8255 PPI have?
Which control groups does the 8255 PPI have?
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Which microprocessor can the 8255 PPI be used with?
Which microprocessor can the 8255 PPI be used with?
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