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.

View solution

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 :

View solution

Q. The data structue for a sector typically contains :

View solution

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

View solution

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

View solution

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.

View solution

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

View solution

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

View solution

Q. Defective sectors on disks are often known as __________

View solution

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.

View solution

Q. An unrecoverable error is known as _________

View solution

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

View solution

Q. Using swap space significantly _________ system performance.

View solution

Q. Linux __________ the use of multiple swap spaces.

View solution

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

View solution

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

View solution

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.

View solution

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

View solution

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

View solution

Q. It is __________ to reread a page from the file system than to write it to swap space and then to reread it from there.

View solution