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Integrated Circuit (IC) Explained — Everything You Need to Know

3 Facts about the Circuit The Integrated Circuit was technically developed and invented by three different individuals, all...

Tabulating Machine

Facts about Tabulating Machine Some significant facts about Tabulating machines are as follows. The tabulating machine was a...

The Audion – History of The Audion Vacuum Tube

The AudionLee De Forest (1873–1961) was a remarkable American inventor with over 180 patents to his credit....

The History of Mechanical calculators

History of Computers and Computing, Mechanical calculatorsThe materials in this section are divided in chronological order.In the...

Pascaline – Complete History of the Pascaline Calculator

PascalineThe Pascaline (or roue Paschaline, as it is called in 17th century) of the great french scientist...

Victor Adding Machine – History of the Victor Adding Machine Co.

Victor Adding Machine - History of the Victor Adding Machine Co.Oliver David Johantgen (8 July 1875, Charleston,...

Dalton Adding Machine – Complete History of the Dalton Adding Machine

Dalton Adding MachineJames Lewis Dalton (1866-1926) (see biography of James Lewis Dalton) was a successful businessman and...

Curta Calculator – History of the Curta Mechanical Computer Calculator

Curta CalculatorThe Curta of Curt Herzstark (see biography of Curt Herzstark) is a remarkable mechanical calculator, based...

Winter’s keyboard adder

History of Computers and Computing, Mechanical calculators, 19th century, Winter's keyboard adderThe Calculating Machine of Caroline WinterOn...

Millionaire Calculator Machine (The Complete History)

Millionaire Calculator MachineIn 1892 the brilliant Swiss engineer Otto Steiger from St. Gallen (1858-1923), who lived in...

Victor Schilt’s keyboard adder

History of Computers and Computing, Mechanical calculators, 18th century, Victor Schilt's keyboard adderVictor SchiltThe calculating machine of...

Saxonia calculating machine

History of Computers and Computing, Mechanical calculators, 19th century, Saxonia calculating machineEduard Zeibig (left) and Eugen Straßberger...

Du Bois D. Parmelee’s key adder

History of Computers and Computing, Mechanical calculators, 18th century, Du Bois D. Parmelee's key adderDu Bois D....

Tate-Layton machine

History of Computers and Computing, Mechanical calculators, 19th century, Tate-Layton machineTate-Layton brothers machineThe first English stepped drum...

Tito Gonnella’s Adding Machines

Tito Gonnella's Adding MachinesThe Italian scientist and inventor Tito Filippo Gonnella (1794–1867), professor of mathematics and mechanics...

Arithmometer – History of the Arithmometer of Thomas de Colmar

ArithmometerDuring his lengthy stay with the armies of Marchall Soult, where he needed to perform a great...

Comptometer – Complete History of the Comptometer of Dorr Felt

ComptometerIn 1884, a young machinist, while working with a planer (machine tool used for shaping or surfacing...

The Complete History of The Burroughs Adding Machine

3 Facts About The Burroughs Adding Machine The Burroughs Adding Machine can still be purchased today from...

Hillerin

The Machine Arithmetique of Hillerin de BoistissandeauIn 1735 was published the first book of six volume set...

Caze

History of Computers and Computing, Mechanical calculators, 18th century, CazeThe New Arithmetical Machine of CazeThe adding device...

TCP/IP – Complete History of the TCP/IP Protocol Suite

Cerf (left) and Kahn being awarded the Presidential Medal Of Freedom by Former President Bush in 2005TCP/IPThe...

First chat program of Murray Turoff

History of Computers and Computing, Internet, Birth, First chat program of Murray TuroffFirst chat program of Murray...

The First Computer Virus of Bob Thomas Explained: Everything You Need to Know

4 Facts about the First Computer Virus of Bob Thomas The First Computer Virus was written in-house.It wasn’t deployed...

Douglas Engelbart’s NLS

History of Computers and Computing, Internet, Birth, Douglas Engelbart's NLSThe NLS system of Douglas EngelbartThe name of...