7 Questions
What does a low output on the IO/M control pin from the microprocessor indicate?
A memory operation is taking place
Which type of instruction execution makes the IO/M pin HIGH?
IN or OUT instruction
How many I/O ports can an 8-bit microprocessor directly address?
256 ports
How many bytes of memory can a standard 8-bit microprocessor directly address using 16 address lines?
64K bytes
Which type of instruction execution makes the IO/M pin LOW?
MOV instruction
How many I/O ports can a standard 8-bit microprocessor directly address?
256 ports
What is the purpose of the IO/M control pin on the µp chip?
To enable I/O port communication
Test your knowledge of I/O operations in microprocessors, including the use of the IO/M control pin, the difference between I/O and memory operations, and the addressing of I/O ports. This quiz covers important concepts for understanding microprocessor input and output functionalities.
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