Why Does a Hard Drive Need Defragmentation?
Every time a new file is created, or an existing one is modified, small pieces of data are written all over the hard drive. When a file is deleted, the blocks that have been occupied by it are freed and can be used to write new data. When a new file is created, the attempt is to use consecutive blocks because this way all the operations with this file are performed faster. However, when there are no free consecutive blocks, the size of which is enough to accommodate the new file (because the hard drive is fragmented), the file is written onto any free blocks available. The more a user reads/modifies/deletes files, the more fragmented the hard drive becomes. At one point, even a very small file can’t be written onto consecutive blocks. document.getElementById(‘adsense_placeholder_2’).innerHTML = document.getElementById(‘adsense_ad_2_hidden’).innerHTML; This inevitably slows down operations with files and makes a computer run slowlier. This is why it is recommendable to occasionally defr