History of Computers

Abacus

Sep 9, 1100

Abacus
Known as the earliest calculating device, the abacus has wood frames and parallel rods with colored beads strung to it. Abacus is a Latin word meaning “table” or “tablet.” It is the oldest known calculating device in history that is still used today. Today it is designed with four decks and more beads attached.

Blaise Pascal

Jun 19, 1623

Blaise PascalBeing a French mathematician and a physicist in France during the 17th century, he was very involved in the math and science world.

Stepped Reckoner

Sep 10, 1674

Lebniz Leibniz, creator of this invention, tired to combine arithmetic with logic, like a calculator. Made in 1674, this machine had four arithmetic functions, which is now used as a successful calculator.

Charles Baddage

Dec 26, 1791

Charles Babbage
The British inventor, Charles Babbage, was a mathematician born in 1791. When Babbage was about 22, he helped found the Analytical Society.

Jacquards Loom

Sep 9, 1804

Jacquard LoomA
Jacquard Loom ,which was invited in 1804, is a device that wraps different yarns. It produces fabrics by knitting the yarn into patterns.

Lady Augusta Ada Countess of Lovelace

Dec 10, 1815

Lovelace Known as the “first computer programmer,” English mathematician was a wise creator of the digital computer.

Telephone 1st Generation

Sep 10, 1875

history of the telephone
In 1875, Alexander Graham Bell built the first telephone that transmitted electrically the human voice.

Albert Einstein - Inventor

Mar 14, 1879

Einstein Einstein finished high school and later graduated from ETH College with a degree in physics. On May 29th, 1919, a solar eclipse provides dramatic evidence that shows Albert’s Relativity theory correct. In 1921, he receives a Nobel Prize for his long tiring work on the photoelectric effect, first published in 1905. Sadly on April 18th, 1955, Albert Einstein died from a heart attack at the age of 76.

Light bulb 1st Generation

Sep 10, 1879

lightbulb Inventor, Thomas Alva Edison, was born on February 11, 1847 in Milan, Ohio. He influenced modern life through some inventions such as the motion picture camera and the light bulb. Before 1879, when the light bulb was finished, Edison was neither the first nor the only person trying to come up with a good electric lamp. Many inventors tired and failed. Later, Edison died in 1931.

Herman Hollerith Electronic Tabulating Machine

Sep 9, 1886

Herman Hollerith
Herman Hollerith was born in 1860, and sadly died in 1929. He designed machines that reduced time and physical work of labor. Hollerith's system was first tested on tabulating mortality statistics in late 1886. It was used to punch, read and sort machines.

Dr. Grace Murray Hopper

Dec 9, 1906

Grace Hopper
Born in 1906, Grace Murray Hopper was changed the computer industry by developing the Bomarc system, known as the COBOL. Later in her life time, she designed a way for numbers and computer codes to be delivered faster and easier.

Harvards Mark I

Sep 10, 1943

Harvard Mark I
The Harvard Mark I, a 5 ton, 51 feet long punching computer machine, was finally used in 1943.

The Atanasoff-Berry Computer (ABC)

Sep 10, 1943

ABC Being an early digital computer, it was believed to be built in England in 1943, while the ENIAC was built in the United States two years later.

ENIAC

Sep 10, 1945

ENIAC The Electronic Numerical Integrator and Computer, none as the ENIAC, was officially in use around 1944 and 1945. Though it was very huge and slow, it was known across the world as the first electric digital computer.

Vacuum Tubes Ist Generation of Computers

Sep 10, 1946

Tube First generation computers used vacuum tubes for mostly memory. Since this is the 1st generation, Since the tubes were big and very slow as compared to today. These tubes were mainly used for storage and memory.

Transistor

Sep 10, 1947

Transistor
The transistor was created in 1947 by three American physicists. The three main qualities in a transistor are emitter, collector, and the base. These devices control and generate electrical signals.

Microwave 1st Generation

Sep 10, 1954

history of the microwave oven The microwave oven, which was marked in 1954, did not come about as a result of someone trying to find a better, faster way to cook. During World War II, two scientists invented a tube that sends and produces microwaves.

Integrated Circuit (IC) 3rd Generation

Sep 10, 1964

The third generation of integrated circuits was a lot smaller and faster than the first and second, which were huge machines. The newer ones are more reliable, and take up a smaller amount of space.

Microprocessors 4th Generation

Sep 10, 1970

Microprocessor 4th generation of computers A microprocessor is equipped with logic, arithmetic, and control circuitry. All these tools are needed to perform certain functions of the digital computer. The first Microprocessor was called the Intel 4004. The fourth generations were faster, smaller, and even less expensive.