1) Visit the following web site and discuss what is Hex Editor
http://www.sweetscape.com/articles/hex_editor.html (Links to an external site.)
2) Visit the following web site and discuss password recovery techniques
http://pcsupport.about.com/od/toolsofthetrade/tp/passrecovery.htm
(3) Digital Forensics Tool that have a large market and describe their usage and functionality and application.