Source of my knowledge-: https://electronics.stackexchange.com/questions/204337/programmed-io-vs-interrupt-for-devices
https://slideplayer.com/slide/265620/
And my teacher.
So here is what I understand about
1) Programmed IO-:
Here CPU periodically executes instruction which reads READY pin
2) Interrupt driven IO-:
Here CPU checks interrupt at the end of each instruction cycle whereas IO device sends interrupt.
The original flowchart for these are as follows-:
Here is what I have made-:
Programmed IO-:
interrupt driven io-:
I just want to know if my understanding of flowchart is correct or not?
https://slideplayer.com/slide/265620/
And my teacher.
So here is what I understand about
1) Programmed IO-:
Here CPU periodically executes instruction which reads READY pin
2) Interrupt driven IO-:
Here CPU checks interrupt at the end of each instruction cycle whereas IO device sends interrupt.
The original flowchart for these are as follows-:
Here is what I have made-:
Programmed IO-:
interrupt driven io-:
I just want to know if my understanding of flowchart is correct or not?