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Explain in detail about Operating Systems (OS)
Operating system (OS) is a program which after being initially loaded into computer by a boot program, manages all the other applications/programs. On a PC, first program which runs is stored on a ROM chip. This program checks system hardware to make sure everything is functioning routinely. This checks CPU, memory and basic I/O systems (bios) for errors. If all is satisfactory, BIOS will activate disk drives. When hard drive is activated, OS is found in boot and is then loaded.
Q. Explain about hard drives? Disks are generally mounted on a disk drive which comprises of an arm and a shaft along with electronic circuitry for read-write of data. Disk rot
Q. Illustration of disk formatting? An illustration of disk formatting is displayed in Figure below. In this case every track comprises 30 fixed-length sectors of 600 bytes eac
Subtract the given number using 1's complement 11011 - 11001 Ans. 11011 - 11001 = X - Y X = 11011 1's complement of Y = 00110
Q. Illustrate about Compact Disk Rewritable? CD-RW optical disk can be repeatedly written and overwritten same as with a magnetic disk. Even though a number of techniques have
Q. Illustrate Organisation of DRAM Chip? The given figure is a typical organisation of 16 mega bit DRAM. It displays a typical organisation of 2048 × 2048 × 4 bit DRAM chip. Me
Q. Define about Anchor Tag? Anchor tag is used to create links between various objects such as HTML pages, web sites, files etc. It is introduced by characters and termi
How can we set the table spaces and extent sizes? You can state the extent sizes and the table space (physical storage area in the database) in which a transparent table is to
Unification Algorithm: Here if notice for instance that to unify two sentences as we must find a substitution that makes the two sentences the same. Furthermore remember there
How many logical drives is it possible to fit onto a physical disk? Ans) Maximum of 24 logical drives can be fit into physical disk. The extended partition can only have 23 lo
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