Podcast #128: We chat with Kent C Dodds about why he loves React and discuss what life was like in the dark days before Git. Listen now.

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"The console" (or other computer) is made up of various parts, including the processor, the memory, and peripherals such as video display controllers, I/O chips to read from a keyboard or joystick, disk controllers, and so on. When using "programmed I/O," the CPU reads data from or writes data to a peripheral and, if the data need to be stored in memory, ...


(Too long for a comment) DMA is not in any way console or retro computing related. It is actual technology and today used more than ever. Each of your disk reads and writes, each transfer to your graphics or network card will usually involve DMA. DMA describes the access of components, other than the CPU, on (a CPU's) memory. In general it's the ability to ...

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