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To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

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Extensions

definitions of common domain and file extensions

TermDefinition
.exe executable file
.bat batch file
.sys system file
.doc Word document
.xls Excel spreadsheet file
.ppt Powerpoint presentation
.pub Publisher publication
.pdf Portable document format file
.html Hypertext markup language
.com Commercial website; advertising products
.edu Education website; schools, colleges, universities
.gov Government agency website
.mil Military website
.net Network website; internet service provider website
.org Organization website
HTTP Hyper text transfer protocol
HTTPS Hyper text transfer protocol secure
Created by: brintlek