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FLIPCHART – Used in Promethean ActivInspire Flipchart Software. FUN – A FUN file is a file that has been encrypted by Jigsaw ransomware, which is malware distributed by cybercriminals. It contains a file, such as a .JPG, .DOCX, .XLSX, .MP4, or .CSV file, that has been renamed and encrypted by the virus.
The earliest known patent of a flipchart is from May 8, 1913. [3] Flip charts have being in use from the 1900s, the earliest recorded use of a flip chart is a photo from 1912 of John Henry Patterson (1844-1922), NCR's CEO while addressing the 100 Point Club standing next to a pair of flip charts on casters. [4]
A prototypical flip graph is that of a convex -gon .The vertices of this graph are the triangulations of , and two triangulations are adjacent in it whenever they differ by a single interior edge.