1930s - 1940s
This 1936 machine created by Konrad Zuse was basically an automatic calculator and is considered the first electric computer.
What is the Z3?
The U.S. Census Bureau used this computer in 1952 to count ballots in presidential elections.
What is UNIVAC 1?
Seymour Cray designed this CDC supercomputer in 1964.
What is the CDC 6600?
Xerox opened this research center in Palo Alto in 1970, which became known for many important technological innovations.
What is PARC?
Computers originally began as simple machines designed primarily for this purpose.
What is computing/calculating?
This 1937 computer built by John V. Atanasoff introduced innovations including binary, parallel processing, and an early form of memory.
What is the Atansoff-Berry Computer (ABC)?
UNIVAC 1 was the first commercial and widely ______ computer.
What is publicized?
The CDC 6600 could perform up to three million of these per second.
What are instructions?
IBM's eight-inch version of this device, created in 1971, was an early form of portable storage.
What is the floppy disk?
This system, using 1s and 0s, was one of the important innovations introduced by the ABC.
What is binary?
This British computer was created during World War II to help decode secret messages encrypted by German coding machines.
What is Colossus?
IBM stands for International ______ Machines.
What is Business?
Manufactured by Digital Equipment Corporation in 1965, this was considered the first microcomputer.
What is the PDP-8?
The Intel 4004 was the first ______ advertised to the public.
What is a microprocessor?
This term describes the idea that technology builds upon previous technology and advances at an increasing rate.
What is exponential growth?
John Mauchly and J. Presper Eckert built this 1946 machine, which was the first computing machine with a storage device.
What is the ENIAC?
IBM created this computer in 1953, producing only 19 of them, mostly for government agencies.
What is the IBM 701?
In 1966, Hewlett Packard introduced this computer, which had the processing power of computers two or three times its size.
What is the HP-2115?
The Xerox Alto was designed with this important input device built in.
What is a mouse?
Give two ways the ABC contributed ideas that became important to modern computers.
What is binary, parallel processing, memory/storage, and separation of memory and computing functions.
These three scientists created the point-contact device in 1948 that could control electronic currents and convert sound waves into electronic waves.
Who are John Bardeen, Walter Brattain, and William Shockley?
The first miniaturized electric circuit contained one transistor, three resistors, and one of these components.
What is a capacitor?
Created by the U.S. Department of Defense in 1969, this network connected four computers in different states and became the predecessor to this.
What is the internet?
This computer, introduced by Scelbi in 1974, was sold as a kit, meaning customers had to assemble it themselves.
What is a personal computer?
A technology company wants to make computers smaller and more powerful. This 1950s invention was especially important to this goal.
What is the miniaturized electric circuit?