Saturday, April 9, 2011

IT Glossary

Blog
An open journal or diary that is available for others to read on the internet

Data Recovery
Data Recovery is the process of recovering data that has been lost or damaged (i.e. corrupted).
The most common form of data recovery is to restore a copy of the data from an available backup. Where data is available but has been corrupted in some manner.

Defragment
A process for rearranging the clusters on a disk for each file so that they are adjacent rather than scattered all over the disk. Files with adjacent clusters are quicker to read (because this minimises any required movement of the disk heads).For this reason a computer with a defragmented disk (i.e. with all its files defragmented) will run faster than if it had a heavily fragmented disk.
Spyware
Software that monitors the activities of a user (such as their browsing habits) or gathers information about a user (such as stored credit card details) without the user's knowledge or permission. This information is collected so that it can be relayed to a third party. Spyware is typically used as a prelude to theft or fraud.