[Akshara Sharma]

Psychology honors is a good option. You can then do MSc and become a counselor or work in HR.

[Akshara Sharma]

For memory mapped I/O they use RAM addresses. Easy to implement in hardware. For port mapped I/O they use separate I/O addresses. Hard to implement in hardware. Microprocessor just adds on to the complication in your life. Focus on basics first dude, rest will follow.

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