operative systems

Manchester Automatic Digital Machine

Dec 24, 1948

in the 1948, The Victoria University of Manchester created the Manchester Automatic Digital Machine, called also electronic brain

IBM OS 360

Dec 24, 1960

IBM developed in the '60 the OS 360, but this operative system was not much time later repleaced by the UNIX operative system.

UNIX

Dec 24, 1963

the unix operative system, developed in the AT&T bell laboratories, is one of the first operative system, easly to use and modify, it was the perfect system for professional use

command operative system

Period: Dec 24, 1963 to Dec 25, 1981

that os that have a command user interface, or all the system that have a testual shell (user listen layer)

Apple ][

Jun 10, 1977

The Apple ][ was an 8-bit home computer that revoluzionized the I.T. sector for end users.

First grafical user interface by XeroX

Dec 24, 1981

the first gui by XeroX give the possibility to have a visual and easy to understand view of the computer, actually a lot of elements in the gui are actually present in today system and interfaces

ZX Spectrum

Apr 23, 1982

The ZX Spectrum, one of the first home computer, this simple 8-bit computer can execute the programs with this audio tape, that contain the program how office program, compiler and also videogames.
this computer can be also easly programmed.

Commodore 64

Aug 24, 1982

One of the most famous home computer of this years, easly programmable and with a large list of avaible programs.

Apple Lisa

Jan 19, 1983

one of the first home pc with a GUI included, the high costs of the Lisa (9,995 dollars) selt only 100,000 units

grafical operative system

Period: Dec 24, 1983 to Dec 25, 2016

operative system that contain a grafical user interface to work
this type include all the system easly to use.

Windows XP

Dec 24, 2001

the Microsoft system completly dominate the I.T. sector, today a lot of PCs use XP for home and office uses.