Episode 94: How Computers Work Part IV - Processor Architecture and Machine Code
The Science of Everything Podcast
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How to Write to Memory Using D Flip Slops
The processor accesses memory via the data and address busses. It needs those two different busses, plus tri state buffers to be able to connect individual memory registers with the appropriate buses. Now let's move on to another key component of process of architecture, which is called the instruction register. So it holds a single word, so maybe 32 bits of data. But it's particularly important because it holds the binary sequence of the current instruction that the computer is now executing.
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