Storage Devices

ASSIGNMENT#1 ICT PC-WAQAR AHMED BESE-17 A Submitted to: Lec. Bilal Rauf transshipment center Devices strenuous disk(HDD) Hard Disk is a non-volatile, random access, magnetized storage machination use in the computers. These were introduced by IBM in 1956. Main social occasion of Hard Drive(HDD) is to gillyflower data. HDD stores data by the process of magnetic recording. Major Components * Coer * Platters * Head * index number link * IDE Connector * Jumper Block * Actuator * Spindle A typical HDD has devil electric motors: * book motor that spins the discs. * Actuator that positions the hear/ pen ear on the disc. charismatic Recording HDD stores data by magnetizing ferromagnetic literals directionally. The data are read from the disk by catching the transitions in magnetization and decode the originally written data. in that location are different encode processes, such as: * special Frequency Modulation * Group tag Recording * Run-length moderate Encoding A Cobalt based intermixture is used as magnetizing square. HDD consists of a spindle which cargo holds the platters. Platters are non-magnetic material and hold recorded data.

Platters are usually made of aluminum glaze over or ceramics. The Platters are spun at very exalted speeds(15000RPM). info is written to, and read from platter as it rotates previous(prenominal) devices called read-write heads. Read write heads operate very close over the magnetic surface. It detects and modifies the magnetic materia! l under it. Data is stored on this magnetic material i-e disc. The image gives microscopic view of platters. Capacity Storage substance of HDD is increasing day by day. Nowadays HDDs suffer a storage capacity of more than 1000 GB = 1 Terabyte. External Hard Drives External HDDs can be quarantined from computers and can operate as USBs. They work similar as ordinary hard drives. It can store data, pee-pee a backup, bootable, disk cloning, formatting and all other ordinary...If you wish to trace a full essay, order it on our website: BestEssayCheap.com

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