Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
What does a low output on the IO/M control pin from the microprocessor indicate?
What does a low output on the IO/M control pin from the microprocessor indicate?
- A memory operation is taking place (correct)
- An I/O operation is taking place
- The microprocessor is idle
- An interrupt is occurring
Which type of instruction execution makes the IO/M pin HIGH?
Which type of instruction execution makes the IO/M pin HIGH?
- IN or OUT instruction (correct)
- MOV instruction
- Arithmetic operation instruction
- Conditional jump instruction
How many I/O ports can an 8-bit microprocessor directly address?
How many I/O ports can an 8-bit microprocessor directly address?
- 64 ports
- 1024 ports
- 256 ports (correct)
- 8 ports
How many bytes of memory can a standard 8-bit microprocessor directly address using 16 address lines?
How many bytes of memory can a standard 8-bit microprocessor directly address using 16 address lines?
Signup and view all the answers
Which type of instruction execution makes the IO/M pin LOW?
Which type of instruction execution makes the IO/M pin LOW?
Signup and view all the answers
How many I/O ports can a standard 8-bit microprocessor directly address?
How many I/O ports can a standard 8-bit microprocessor directly address?
Signup and view all the answers
What is the purpose of the IO/M control pin on the µp chip?
What is the purpose of the IO/M control pin on the µp chip?
Signup and view all the answers
