History of Computers

Binary Code Developed

Mar 20, 1938

Konrad Zuse creates the Z1 Computer a binary digital computer using punch tape.
I chose this event because he invented the first computer to use digital binary code, making it easier to use a computer.

MARK computers

Mar 20, 1944

Howard Aiken and Grace Hopper designed the MARK series of computers at Harvard University.
I chose this because it was a big step in computers and performing math tasks. The Mark could handle 23-decimal-place numbers and perform addition, subtraction, multiplication and division.

Silicon Chip

Mar 20, 1958

The first integrated circuit, or silicon chip, is produced by the US Jack Kilby & Robert Noyce.
This is important to the improvement of computers, the silicon chip processess the data from the computer and makes the computer more useful.

Quicksort

Mar 20, 1960

Quicksort is developed. C.A.R Hoare developed Quicksort, an algorithm that would go on to become the most used sorting method in the world. Quicksort used a series of elements called “pivots” that allowed for fast sorting.
I chose this event because it was an important step in the speed of computer processing and developement.

System/360

Mar 20, 1964

IBM announced the System/360, a family of six mutually compatible computers and 40 peripherals that could work together.
I chose this beacuse of it's importance. At the time IBM released the System/360, the company was making a transition from discrete transistors to integrated circuits, and its major source of revenue moved from punched-card equipment to electronic computer systems.

First Personal Computer

Mar 26, 1971

The Kenbak-1, the first personal computer, Designed by John V. Blankenbaker using standard medium-scale and small-scale integrated circuits, the Kenbak-1 relied on switches for input and lights for output from its 256-byte memory. I chose this because the first microprocessor is a bid detail in the build up to where computers stand today. The microprocessor is the brain of the computer.

Apple I

Mar 26, 1976

Steve Wozniak designed the Apple I, a single-board computer. With an order for 100 machines at $500 each from the Byte Shop, he and Steve Jobs got their start in business.
This is important because about 200 of the machines sold before the company announced the Apple II as a complete computer. And this was the start to Apple which is now one of the leading computer/electronic businesses.

IBM's first PC

Mar 26, 1981

IBM introduced its PC, igniting a fast growth of the personal computer market. The first PC ran on a 4.77 MHz Intel 8088 microprocessor and used Microsoft´s MS-DOS operating system.
This is an important event and I chose it because this was one of the first PC's which is now an incredibley high demand and leading computer.

APPLE MACINTOSH

Mar 26, 1984

Apple launched the Macintosh, the first successful mouse-driven computer with a graphic user interface. Based on the Motorola 68000 microprocessor, the Macintosh included many of their previous computer, Lisa's, features at a much more affordable price: $2,500. I chose this event because the Macintosh pushed Apple further and kept them improving their computers, eventually leading up to our computer today.

GOOGLE

Mar 26, 1998

Google is founded by Sergey Brin and Larry Page on September 7, 1998.
This is a huge event because Gogole is now one of the leading seach engines used by millions and millions of people.