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Abacus
(2700-2300 BC) The first abacus was the sumerian abacus, the abacus was used by traders and merchants to keep track of numbers. -
The Analytical Machine
A general purpose programmable computing engine created by Charles Babbage. -
Holes In Cards
A piece of stiff paper that contained either commands for controlling automated machinery or data for data processing applications. Both commands and data were represented by the presence or absence of holes in predefined positions. -
ENIAC
ENIAC historyThe Electronic Numerical Integrator And Computer was the first electronic general-purpose computer. It was Turing-complete, digital, and could solve "a large class of numerical problems" through reprogramming. -
Von Neumann Architecture
A computer architecture for an electronic digital computer with parts consisting of a processing unit containing an arithmetic logic unit and processor registers, a control unit containing an instruction register and program counter, a memory to store both data and instructions, external mass storage, and input and output mechanisms. -
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High-level Programming Language
Closer to human language rather than machine language, they allow programmers to write programs that are independent of a particular type of computer examples are C, FORTRAN, and Pascal. -
UNIX operating system
A family of multitasking, multiuser computer operating systems that derive from the original AT&T Unix, developed in the 1970s at the Bell Labs research center by Ken Thompson, Dennis Ritchie, and others. -
First Electronic Spreadsheet
Interactive computer application for organization, analysis, and storage of data in a tubular form. -
PC
A general-purpose computer whose size, capabilities, and original sale price make it useful for individuals, and is intended to be operated directly by an end-user with no intervening computer time-sharing models that allowed larger, more expensive minicomputer and mainframe systems to be used by many people, usually at the same time. -
Apple
Apple
Created by Steve Jobs, Steve Wozniak, and Ronald Wayne to create and develop personal computers. Today it is a leading computer and phone company. -
CRAY-1
CRAY-1A supercomputer designed, manufactured and marketed by Cray Research. The first Cray-1 system was installed at Los Alamos National Laboratory in 1976 and it went on to become one of the best known and most successful supercomputers in history. The Cray-1's architect was Seymour Cray; the chief engineer was Cray Research co-founder Lester Davis. -
Macintosh
A series of personal computers designed, developed, and marketed by apple inc. , Steve Jobs presented the first on January 24, 1984. -
Altair
AltairAmerican product design and development, founded by James R Scapa, George Christ, and Mark Kistner, engineering software and cloud computing software company. -
Windows
MicrosoftMeta family of graphical operating systems developed, marketed, and sold by microsoft.
