The traffic controller maintains a spreadsheet file containing the status and connections for each unit in the I/O subsystem, grouped into Channel Control Blocks, Control Unit Control Blocks, and Device Control Blocks.
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Q1: The job of the I/O control unit
Q10: Each unit in the I/O subsystem can
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Q13: Direct access storage devices (DASDs) are devices
Q14: The universal serial bus (USB) controller acts
Q16: First-come, first-served (FCFS) is the simplest device-scheduling
Q17: Most RAID configurations require fewer disk drives,
Q18: RAID is a set of logical disk
Q19: When using DMA, the CPU is involved
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