cpu controls the logic and arithmetic operations and cpu is the brain of the computer
tasks
dma - direct memory access. (cpu not involved and can process other tasks) pio - programmed input output. (cpu controlled process which blocks other tasks from running.)
literally yes - but practically the CPU is jumping from one task to the other and back until he finished - so both tasks are slowed down
CPU
the processor, or CPU (central Processing Unit)
cpu
In computing, background processing happens when the CPU (CPU's) have spare capacity from on demand requirements and can perform tasks without affecting the response time of the user.
High Quality CPU and an abundance of RAM will allow the customer to be served with less waiting time in order for the computer to complete its tasks.
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DMA (Direct Memory Access) can be used during the CPU's "busy time", such as when the CPU is processing a read/write cycle, the DMA will take over to perform other tasks while the CPU is busy.
No. While a CPU is an example of a microprocessor, many microprocessors are not CPUs, but perform other tasks to aid the CPU. An example would be the GPU of a video card, or the DSP (Digital signal processor) of a modem or sound card.