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To initialize any port as an output port what value is to be given to it?

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in Microcontroller by (14.6k points)
To initialize any port as an output port what value is to be given to it?

(a) 0xFF

(b) 0x00

(c) 0x01

(d) A port is by default an output port

I got this question during an interview.

My doubt stems from I/O Port Programming and Addressing Modes topic in division 8051 Microcontroller of Microcontroller

1 Answer

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by (24.2k points)
The correct choice is (d) A port is by default an output port

Explanation: In 8051, a port is initialized by default in its output mode no need to pass any value to it.

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