Q. In the _______ algorithm, the disk head moves from one end to the other , servicing requests along the way. When the head reaches the other end, it immediately returns to the beginning of the disk without servicing any requests on the return trip.

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Q. In the ______ algorithm, the disk arm goes as far as the final request in each direction, then reverses direction immediately without going to the end of the disk.

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Q. The process of dividing a disk into sectors that the disk controller can read and write, before a disk can store data is known as :

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Q. The data structue for a sector typically contains :

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Q. The header and trailer of a sector contain information used by the disk controller such as _________ and _________

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Q. The two steps the operating system takes to use a disk to hold its files are _______ and ________

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Q. The _______ program initializes all aspects of the system, from CPU registers to device controllers and the contents of main memory, and then starts the operating system.

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Q. For most computers, the bootstrap is stored in ________

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Q. A disk that has a boot partition is called a _________

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Q. Defective sectors on disks are often known as __________

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Q. In SCSI disks used in high end PCs, the controller maintains a list of _________ on the disk. The disk is initialized during ________ formatting which sets aside spare sectors not visible to the operating system.

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Q. An unrecoverable error is known as _________

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Q. Virtual memory uses disk space as an extension of _________

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Q. Using swap space significantly _________ system performance.

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Q. Linux __________ the use of multiple swap spaces.

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Q. A single swap space ______ reside in two places.

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Q. If the swap space is simply a large file, within the file system, ____________ used to create it, name it and allocate its space.

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Q. For swap space created in a seperate disk partition where no file system or directory structure is placed, _____________ used to allocate and deallocate the blocks.

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Q. When a fixed amount of swap space is created during disk partitioning, more swap space can be added only by :
I) repartitioning of the disk
II) adding another swap space elsewhere

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Q. In UNIX, two per process ________ are used by the kernel to track swap space use.

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