Computer Literacy

Holes in cards

Jan 27, 1725

Cards are stiff pieces of paper that contained commands. Commands and data are represented by holes in the card.

The Analytical Machine

Jan 27, 1837

Analytical A proposed mechanical general- purpose computer.

Von Neumann Architecture

Jun 30, 1945

The first written description of how an electronic computer should store programs and processes information.

ENIAC

Aug 25, 1946

The first electronic general purpose computer. It was capable to be reprogrammed to solve “a large class of numerical problems”.

Altair

Aug 25, 1947

Altair A “microcomputer” made off of the intel 8080 CPU.

UNIVAC

Jan 25, 1951

An electronical computer that contains thousands of vacuum tubes which use punch cards for outputting and storing data.

High-level programming language

Jan 27, 1960

It is a programming language that may hide important parts of computing systems.

PC

Jan 27, 1961

PC An inexpensive computer meant for an individual user which is all based on the microprocessor.

UNIX operating system

Jan 27, 1969

UNIX The first program to be written in a high level programming language.

Apple

Apr 1, 1976

Apple A company that makes their own computers and other technologies.

Cray-1

Aug 31, 1976

A super-computer.

First electronic spreadsheet

Aug 31, 1979

VisiCalc was the first spreadsheet computer program for computers, originally for apple 2.

Macintosh

Sep 3, 1979

An easy to use low cost computer for the average consumer.

Windows

Nov 20, 1985

Windows An operating environment created by Microsoft.