Who invented control alt delete?

How do you type to the power of 2 on the keyboard? How can you create a mnemonic device to remember the first ten amendments to the US Constitution? How do you put a button back on a key board? Can you draw in sketchbook pro on an iPad and see it being written on your computer? Why do you use a web browser? What are some user friendly timesheet software options? What is the purpose of subscription software? An abacus is an instrument for what? What happened when Excel spreadsheet was established? Can the MAC ID be used to trace a stolen laptop? What does it mean when someone puts you on hold on skype? How do I download music from YouTube so I can make a project on Windows Movie Maker? What is a rats genus name? How do you uninstall microbill? The computer that process both analog and digital is? How does a transdermal alcohol monitor work? How many kind of connection network? 3. When selecting an input device what are the criteria for selection and evaluation? Why won't my nook allow me to open again my book? Salaries for Wintel Server Engineers in the UK?