Q. ______ is used in operating system to separate mechanism from policy.

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Q. I/O hardware contains

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Q. The data-in register of I/O port is

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Q. The host sets _____ bit when a command is available for the controller to execute.

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Q. When hardware is accessed by reading and writing to the specific memory locations, then it is called

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Q. Device drivers are implemented to interface

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Q. Which hardware triggers some operation after certain programmed count?

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Q. The device-status table contains

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Q. Which buffer holds the output for a device?

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Q. Which one of the following connects high-speed high-bandwidth device to memory subsystem and CPU.

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Q. A process is moved to wait queue when I/O request is made with

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Q. In _______ information is recorded magnetically on platters.

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Q. The heads of the magnetic disk are attached to a _____ that moves all the heads as a unit.

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Q. The set of tracks that are at one arm position make up a ___________

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Q. The time taken to move the disk arm to the desired cylinder is called the :

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Q. The time taken for the desired sector to rotate to the disk head is called :

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Q. When the head damages the magnetic surface, it is known as _________

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Q. A floppy disk is designed to rotate ___________ as compared to a hard disk drive.

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Q. The host controller is :

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Q. ______ controller sends the command placed into it, via messages to the _____ controller.

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