The astrolabe was another mechanical calculating device used enabled sailors to calculate _____________.

The slide rule assisted with _____________.

The earliest use of the word "computer" was in 1613 in a book referring to a _______________.

The Step Reckoner was know for it's ability to ______________.

Before the 20th century most people experienced computing through ____________.

Charles Babbage created designs for a general purpse computer called the Analytical Engine. Although never built, it ___________.

US Gov needed help with the 1819 census, so they hired Herman Hollerith who created the a electro-mechanical tabulation device. His company later turned into ___________.

The Harvard Mark I was used in World War II as part of the Manhattan Project. It used ______________ to help it compute.

Mechanical relays were a good step forward but they had problems like __________________. (check all that apply)

Triode Vacuum Tubes were _________________. (chose all that apply)

The Colossus Mk 1 was used in World War II to ____________.

ENIAC was the first _________________ computer. (choose all that apply).

Bell Labs invented the transistor in 1947, which ___________. (check all that apply)

Transistors can now be made that are smaller than ___________.