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Results tagged with cpu
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user 76206
The CPU, the Central Processing Unit, is known as the heart of the computer. It is responsible for carrying out the instructions of a computer program by performing the basic arithmetic, logical, control, and input/output (I/O) operations specified by the instructions.
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Does a CPU completely freeze when using a DMA?
You are correct that the CPU cannot be accessing the memory during a DMA transfer. … However there are two factors which in combination allow apparent parallel memory access by the CPU and the device performing the DMA transfer:
The CPU takes multiple clock cycles to execute an instruction …
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