Question

how input/output devices are connected to the system unit of the computer
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Answer 1

Answer:

Input/output devices are usually called I/O devices. They are directly connected to an electronic module inside the systems unit called a device controller. ... Sometimes secondary memory devices like the hard disk are called I/O devices (because they move data in and out of main memory.)

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Answer 2

Explanation:

Input/output devices are usually called I/O devices. They are directly connected to an electronic module inside the systems unit called a device controller. ... Sometimes secondary memory devices like the hard disk are called I/O devices (because they move data in and out of main memory.)

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