The Early Period (up to 1940)
The Birth of Computers (1940-1950)
The Modern Era (1950 - Present)
Who Made What
100

This piece of ancient Babylonian history is considered to be the "first computer"

What is the abacus

100

The first calculator to use binary addition

The complex number calculator

100

The first robot, designed after a squirrel

What is the Squee

100

They designed both the difference and the analytical engines

Who is Charles Babbage

200

The first mechanical calculator, designed in the 1820s 

What is the difference between machine

200

The first general-use computer that was used in the manhattan project

What is the Harvard Mark I

200

A computer designed to predict space travel paths

What is the Apollo Guidance Computer

200

They created the Memex

Who is Vannevar Bush

300

A theoretical general computer, described in the 1840s

What is the analytical machine

300

A digital library that stored all sorts of printed documents

What is the Memex

300

The world's first microcomputer that inspired apple

What is the Altair 8800 Microcomputer

300

This laboratory created the Apollo Guidance Computer

What is the Charles Stark Draper Laboratory