Computer Science · I/O Interface
Which of the following controllers is used to check the status of each device and inform the central processing unit (CPU) of that status?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Pipeline controller
- 2Disk controller
- 3DMA controller
- 4Programmable I/O interrupt controller✓
Correct answer
Programmable I/O interrupt controller
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