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Which out of the four ports of 8051 needs a pull-up resistor for using it is as an input or an output port?
PORT 0
PORT 1
PORT2
PORT3
PORT 0
Quick Summary: Practice and solve "Which out of the four ports of 8051 needs a pull-up resistor for using it is as an input or an outpu..." for Electrical - Microprocessor. The correct answer is Option A: PORT 0. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Answer:
Option **(a) **