NghianguHieunguHoangkhon

Front

In 1642 Pascal created a mechanical device with gears and levers. This device was capable of what kind of calculation?

Back

Addition and subtraction

Front

Leibniz built on Pascal’s work by creating the Leibniz Wheel. This device was capable of what kind of calculations in addition to the ones Pascal’s could do?

Back

Multiplication and division

Front

The Jacquard loom is important in the history of computing for what innovation?

Back

Reusable cards with holes held information

Front

IBM has some of its origins in what 1890 event?

Back

The U.S. census

Front

Name the four important elements of Babbage’s Engine that are components of today’s computer.

Back

An input device, memory, a central processing unit, an output device

Front

What logical elements did Charles Sanders Peirce realize electrical switches could emulate in 1880?

Back

Boolean algebra

Front

The U.S. military used the ENIAC computer for its intended purpose during World War II.

Back

False

Front

What important concept is attributed to John Von Neumann?

Back

The stored program concept

Front

What company controlled 70% or more of the computer marketplace in the ’60s and ’70s?

Back

International Business Machines

Front

What features of transistors made them superior for computers, compared with vacuum tubes?

Back

They were cheaper, smaller, and cooler than tubes and lasted longer.