Safety measures are taken in the computer to ____

• Manage it well

• Prevent fighting

• Ensure accidents

• Ensure jobs

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

• Power up

• Booting

• Awakening

• Starting

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

• Ctrl + NEW

• Ctrl+ N

• Ctrl + O

• Ctrl + L

_____ is not an early counting devices

• Stone

• Abacus

• Pebbles

• Sticks

The Abacus was used around the year

• 200 BC

• 700 BC

• 500 BC

• 900 BC

Abacus was used by ______

• Romans

• Italians

• Americans

• Indians

The Slide Rule was designed by _______

• Blaise Pascal

• Gottfried Leibniz

• William Oughtred

• Charles Babbage

Napier’s bone was designed in the year ________

• 1615

• 1617

• 1616

• 1618

_______ designed the Napier’s bone

• Pascal Napier

• George Napier’s

• John Napier

• Marie Napier

________ discovered logarithm.

• Charles Babbage

• John Napier

• Blaise Pascal

• Gottfried Lebniz