A function or an element replaced by new ones. When creating as it must be eliminated later on with no longer work. It works with present versions of computer programming language which do need any future functions updating.

While a deprecated software feature remains in the software, its use may raise warning messages recommending alternative practices; deprecated status may also indicate the feature will be removed in the future.

Features are deprecated rather than immediately removed, to provide backward compatibility and give programmers time to bring affected code into compliance with the new standard. For Example, the HTML tag is just a deprecated function and may be eliminated when attempting to alter the font-style in a web site.

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The hard disk was invented on September 13, 1956 by IBM team led by Rey Johnson (considered as “father” of the disk drive). Earlier hard disk drives were large and cumbersome devices.