Inventions of the 1940s Quiz #2

What type of signals do computers use in binary coding?

• Light signals

• Electrical signals

• Sound signals

• Magnetic signals

What was the significance of the Z3's design?

• It was the first computer to use a mouse

• It influenced many future computers

• It was the smallest computer ever made

• It was the fastest computer of its time

Drawing of the Z3 computer from Zuse's 1941 patent.

• Drawing of the Z3 computer from Zuse's 1941 patent.

• Drawing of the ENIAC computer from 1945.

• Drawing of the Colossus computer from 1943.

• Drawing of the UNIVAC I computer from 1951.

Where did the development of the ENIAC take place?

• Harvard University

• University of Pennsylvania

• Massachusetts Institute of Technology

• Stanford University

Who first programmed the ENIAC?

• A team of male scientists

• Six women

• A group of engineers

• Military personnel

What role did the women have before programming the ENIAC?

• Engineers

• Human computers

• Secretaries

• Technicians

What was the goal of the ENIAC project?

• To create a new type of weapon

• To solve intricate math problems faster than humans

• To develop a new communication system

• To design a new type of vehicle

When was the ENIAC shut down for refurbishment and upgrades?

• November 1946

• July 1947

• October 1955

• January 1945

What is another name for the aqualung?

• Oxygen mask

• Scuba tank

• Diving bell

• Air pump

What is the purpose of the kidney dialysis machine?

• To help people breathe

• To remove waste and excess fluids from the blood

• To store blood for emergencies

• To increase blood pressure