1. Defragmentation Utility : A software tool used to rearrange the files on a disk so that they are stored in contiguous clusters.
2. DSL :( Digital Subscriber Line) A high speed internet connection that uses existing telephone lines requiring close proximity to a switching station.
3. Freeware : Copyrighted software that is given away by the another or owner.
4. LAN :( Local Area Network) An interconnected group of computers and peripherals located within a relatively limited area, such as a building or campus.
5. RAM :(Random Access Memory) is a type of computer memory circuit that hold data, program instructions and the computer is on.
