___ ensures that all files necessary for the computer to function are loaded.

The keyboard shortcut to create a new document or worksheet is ____

_____ is not an early counting devices

The Abacus was used around the year

Abacus was used by ______

The Slide Rule was designed by _______

Napier’s bone was designed in the year ________

_______ designed the Napier’s bone

________ discovered logarithm.

________ designed the Paschaline

______ improved Pascal’s machine

The first machine invent by Charles Babbage is the _______

The Hollerith Machine was used in the year _______

Who designed a machine using 65,536 processors?