, India
expert in fast typing
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About Me
i am a master of hard disk .So please some knowledge hard disk .I am also expert in programming language and java Hard Disks
A hard disk is a storage device that contains one or more inflexible, circular platters that use
magnetic particles to store data, instructions, and information. The system unit on most personal
computers contains at least one hard disk, sometimes called an internal hard disk because it is not
portable. Users store documents, spreadsheets, presentations, databases, e-mail
messages, Web pages, digital photos,
music, videos, and software on hard disks.
Hard disks store data and instructions in
tracks and sectors on a platter Figure 17.
A track is a narrow recording band that
forms a full circle on the surface of the
disk. The disk’s storage locations consist
of pie-shaped sections, which break the
tracks into small arcs called sectors. On
a hard disk, a sector typically stores up to
512 bytes of data. Storage capacities of
internal hard disks for personal co
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