ap prep

What is the main focus of the Crash Course Computer Science series?

• Teaching programming

• Exploring various computing topics

• Studying ancient history

• Learning about social media

What was the earliest recognized device for computing?

• Slide rule

• Astrolabe

• Clock

• Abacus

Who built the step-reckoner in 1694?

• Gottfried Leibniz

• Ada Lovelace

• Hermann Hollerith

• Charles Babbage

What was the purpose of Charles Babbage's Difference Engine?

• To print documents

• To store data

• To approximate polynomials

• To calculate square roots

What company did Hermann Hollerith found that later became IBM?

• Step-Reckoner Ltd.

• Difference Engine Inc.

• Analytical Engine Corporation

• Tabulating Machine Company