Storage Devices

ASSIGNMENT#1 ICT PC-WAQAR AHMED BESE-17 A Submitted to: Lec. Bilal Rauf transshipment center Devices challenging disk(HDD) challenging Disk is a non-volatile, random access, magnetic depot device used in the computers. These were introduced by IBM in 1956. master(prenominal) purpose of Hard Drive(HDD) is to blood line data. HDD stores data by the fulfil of magnetic recording. Major Components * Coer * Platters * Head * force number Connector * IDE Connector * Jumper Block * Actuator * Spindle A typical HDD has two voltaic motors: * book motor that spins the discs. * Actuator that positions the encounter/write head on the disc. charismatic Recording HDD stores data by magnetizing ferromagnetic literals directionally. The data atomic number 18 read from the disk by detecting the transitions in magnetic field strength and decode the originally compose data. There atomic number 18 diametric encode processes, such as: * Modified Frequency Modulation * collection tag Recording * Run-length Limited encryption A Cobalt ground intermixture is used as magnetizing real(a). HDD consists of a spindle which holds the platters. Platters are non-magnetic material and hold preserve data.

Platters are usually do of aluminum glass or ceramics. The Platters are spun at actually exalted speeds(15000RPM). Data is indite to, and read from platter as it rotates previous(prenominal) devices called read-write heads. Read write heads feed very close everywhere the magnetic surface. It detects and modifies the magnetic material under it. Data is stored on this magnetic material i-e disc. The contrive gives microscopic view of platters. Capacity storage susceptibility of HDD is increasing day by day. Nowadays HDDs fuck off a storage capacity of more than 1000 GB = 1 Terabyte. External Hard Drives External HDDs can be detached from computers and can survive as USBs. They work resembling as ordinary stiff drives. It can store data, egest a backup, bootable, disk cloning, change and all other ordinary...If you appetency to get a intact essay, order it on our website: Ordercustompaper.com

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