Create a thesis and an outline on General computer knowledge. Prepare this assignment according to the guidelines found in the APA Style Guide. An abstract is required. Dragging is an activity of moving icons or images across the display screen mostly by using a mouse button. In tablets, it can be done using touch. It can also be used for moving block of text across the display screen while keeping the mouse button pressed. Defragment Defragmentation is the process of minimizing fragmentation by organizing files into the smallest contiguous regions. Defragmentation increases the region of the free space area by compaction. It tries to compact smaller files together that can be accessed sequentially. Defragmentation also improves accessing files in faster times as read/write operations is faster in defragmented files in comparison to the system of fragmented files. Podcast refers to digital media that includes a series of multimedia, PDF, ePub files that can be streamlined to mobile or electronic devices through subscription. Podcasts etymology is rooted in the traditional word broadcast and pod of the apple product iPod. The process of Podcast applies the software podcatcher to web feed the series of multimedia, PDF, or ePub files from the distributors servers for downloading any files.