What is Programmed I/O: How the CPU communicates with other hardware
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- Опубликовано: 10 сен 2024
- The computers CPU uses Programmed I/O to communicate with other hardware. Using this technique, hardware is addressed in a similar way to how memory is addressed, instead of a Memory Address Register, I/O devices use a I/O Device Register. Data that is intended to be read or written to I/O devices is communicated via an I/O data register. These registers are within the controllers for the devices.
This video is part of a full semester course in Computer Organization and Architecture. You can see all of the topics in the course here: • Computer Organization ...
This video is part of the I/O topic with in the course, the video prior to this one is an introduction to I/O, discussing the challenges inherit to connecting extremely varied devices to the CPU. You can see it here: • Introduction to Input ...
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If you have not seen the Little Man Computer (LMC) series of videos, they explore how a computer works at it most fundamental level. You can find them here:
* A recommended introduction to Little Man computer video here: • Little Man Computer Ex...
* A "Hello LMC" video where we do a smaller program and talk more in-depth about the instruction cycle and basic instructions: • Little Man Computer (L...
* And an intermediate step where we introduce branching and explore recreating conditional statements with LMC: • Little Man Computer (L...
* Finally we explore iteration, labels and advanced LMC: • Little Man Computer (L...
Here are presentation slides that can be used as a supplement to follow along and as a future reference for this content: drive.google.c...
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When IO is looking in a vicinity for unpredictable crimes does IO figure on new style of crimes?