-
Jan 1, 1000
Quipu (or khipus)
XVII century Quipus (or khipus) - knotted-string devices that were used for recording both statistical and narrative informat -
Period: Oct 8, 1000 to Oct 8, 1300
Simple Calculators
-
Period: Oct 8, 1000 to
Computers
A human who does calcuations is known as a computer -
Jan 1, 1300
Abcus
a calculating tool used primarily in parts of Asia for performing arithmetic processes -
Period: Oct 8, 1300 to
Mechanical Calculators
-
Pascal calculator
the first calculating machine made public during its time and the only operational mechanical calculator in the 17th century -
Leibniz's calcualtor
The first calculator that could perform automatic addition,subtraction as well as multiplication and division. Developed by Gottfried Wilhem Von Leibniz. -
Jacquards loom
-
Babbage Difference engine Concept
While mathmatically correct at the time is was not fesiable to create -
Boolean algebra
Boolean algebra: Boolean algebra is invented by George Boole -
telegraph
-
Hollerith tabulating machine
the machine was developed to help process data for the 1890 U.S. Census. -
Period: to
Electro-Machinanical Computers
-
Z1
The Z1 was the first freely programmable computer in the world which used Boolean logic and binary floating point numbers, however it was unreliable in operation.[1][2 -
Atansoff's ABC elecontronic caluclator
was the first electronic digital computing device. Designed only to solve systems of linear equations. -
Harvard Mark I
Built during World War II in the United States -
ENIAC
THe first electronic general-purpose computer. It was Turing-complete, reprogramable, and able to solve a full range of computing problems. Was designed to calculate artillery firing tables for the United States Army's Ballistic Research Laboratory -
Intergrated citcuit
First patent crated for intergrated cicuit filled by German engineer Werner Jacobi. -
IBM 407
IBM tabulating machine -
Transistor
A transistor is a semiconductor device used to amplify and switch electronic signals and electrical power. First developed in the 1950' -
UNIVAC
First commercial computer & able to pick presidential winners. -
Spacewar computer game
The first computer game invented. -
Moore's Law
Moore's law is the observation that over the history of computing hardware, the number of transistors on integrated circuits doubles approximately every two years. -
Period: to
Personal Computers
-
Information Tablet
concept originated in the 20th century mainly as prototypes and concept ideas; prominently, Alan Kay's Dynabook of 1968 -
Unix
multi-user computer operating system developed by a group of AT&T employees at Bell Labs, -
Intel 1103
The world's first available dynamic RAM chip. -
Intel 4004
The first commercially available microprocessor. -
Vitrual Machines
Inoduced by Gerald J. Popek and Robert P. Goldberg in their 1974 article "Formal Requirements for Virtualizable Third Generation Architectures". -
SEQUEL
IBM develops SEQUEL (Structured English Query Language ) now known as SQL -
MS-DOS Computer Operating System
-
Mac OS
Apple's primary operating system until 2002 -
Windows
Windows was orignially an add-on to MS-DOS -
babbage Difference engine Built
-
Linux kernel
an operating system kernel first released by Linus Torvalds. -
Metcalfe's Law
Metcalfe's law states that the value of a telecommunications network is proportional to the square of the number of connected users of the system (n2). -
OS X
Formerly Mac OS X, is a Unix-based graphical interface operating system developedand sold by Apple Inc to run on Mac computers exclusively . -
Apple iPad
-
Enigma
The Germans use the Enigma encryption machine during WWII