Strict Standards: Non-static method AL_HELPER::SetupPaths() should not be called statically in /home/software/public_html/guides/init.php on line 66

Strict Standards: Non-static method AL_CATEGORY::GetCategoryArray() should not be called statically in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 82

Deprecated: Function eregi_replace() is deprecated in /home/software/public_html/guides/includes/classes/class.categories.php on line 41

Deprecated: Function eregi() is deprecated in /home/software/public_html/guides/includes/classes/class.blog.php on line 153

Deprecated: Function eregi() is deprecated in /home/software/public_html/guides/includes/classes/class.author.php on line 139

Deprecated: Non-static method AL_HELPER::ArticleLink() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/includes/classes/class.article.php on line 1215

Deprecated: Non-static method AL_HELPER::_MakeArticleURLSafe() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 453

Deprecated: Non-static method AL_HELPER::_SwapLetters() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 419

Deprecated: Function eregi_replace() is deprecated in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 421

Deprecated: Non-static method AL_HELPER::_MakeArticleURLSafe() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 453

Deprecated: Non-static method AL_HELPER::_SwapLetters() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 419

Deprecated: Function eregi_replace() is deprecated in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 421

Deprecated: Non-static method AL_HELPER::GetRelativeDate() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/includes/classes/class.article.php on line 515

Deprecated: Non-static method AL_HELPER::ShortDate() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 275

Deprecated: Function eregi() is deprecated in /home/software/public_html/guides/includes/classes/class.template.php on line 117

Deprecated: Function ereg_replace() is deprecated in /home/software/public_html/guides/includes/classes/class.template.php on line 243
How To Guides - http://www.softwaretipsandtricks.com/guides
What is Head?
http://www.softwaretipsandtricks.com/guides/articles/441/1/What-is-Head/Page1.html
By Super Admin
Published on 07/2/2011
 
What is Head?

What is Head?
Read / write heads refer to the main reading and writing apparatus in a hard disk. The Read head contains thin films that display the GMR effect. The Write head is usually made of an electromagnetic substance that gets magnetised when electricity is passed to it, thus magnetising the spot below it.