Computer literacy

Abacus

500

<a href='' >http://www.abacuscc.org/?gclid=CP2izMDc-csCFVFlfgodOUMDQA</a>Is a calculating tool that was in use centuries before the adoption of the written modern numeral system.

Holes in cards

Apr 4, 1810

<a href='' >https://en.wikipedia.org/wiki/Punched_card</a>A piece of stiff paper that contained either commands for controlling automated machinery or data for data processing applications.

Analytical machine

Apr 4, 1837

<a href='' >https://en.wikipedia.org/wiki/Analytical_Engine</a>Was a proposed mechanical general-purpose computer designed by English mathematician and computer pioneer Charles Babbage.(1837)

ENIAC

Sep 7, 1944

Electronic Numerical Integrator And Computer) was the first electronic general-purpose computer.

Von Neumann Architecture

Apr 4, 1945

<a href='' >https://en.wikipedia.org/wiki/Von_Neumann_architecture</a>This describes a design architecture for an electronic digital computer with parts consisting of a processing unit containing an arithmetic logic unit and processor registers.

UNIVAC

Jun 14, 1951

[https://en.wikipedia.org/wiki/UNIVAC](' >https://en.wikipedia.org/wiki/UNIVAC</a><a href=')The name of a line of electronic digital stored-program computers starting with the products of the Eckert-Mauchly Computer Corporation.

Apple

May 4, 1970

Designs, develops, and sells consumer electronics, computer software, and online services.

First electric spreedsheet

Apr 4, 1975

VisiCalc was the first spreadsheet computer program for personal computers, originally released for the Apple II. It is often considered the application.

Altair

Apr 4, 1975

Is the brightest star in the constellation Aquila and the twelfth brightest star in the night sky.(1975)

CRAY_1

Apr 4, 1976

CRAY-1, was a supercomputer designed, manufactured and marketed by Cray Research

High-level programing

Apr 4, 1978

<a href='' >https://en.wikipedia.org/wiki/Very_high-level_programming_language</a>language, such as C,FORTRAN, or Pascal that enables a programmer to write programs that are more or less independent.

Windows

Apr 4, 1981

A meta family of graphical operating systems developed, marketed, and sold by Microsoft.

Macintosh

Jan 24, 1984

<a href='' >https://en.wikipedia.org/wiki/Macintosh</a>This was the first mass-market personal computer featuring an integral graphical user interface and mouse.(january 24 1984)

PC

Apr 4, 1999

PC is a general purpose device that can be programmed to carry out a set of arithmetic or logical operations automatically.

UNIX

Apr 4, 2007

UNIX operating system,is a family of multitasking, multi user computer operating systems that derive from the original AT&T.