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1936:  The Z1 Computer, the first freely programmable computer invented by Konrad 1936:  The Z1 Computer, the first freely programmable computer invented by Konrad

1936: The Z1 Computer, the first freely programmable computer invented by Konrad - PowerPoint Presentation

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Uploaded On 2020-07-03

1936: The Z1 Computer, the first freely programmable computer invented by Konrad - PPT Presentation

Zuse 1944 The Harvard Mark I the first programmable digital computer made in the US   Facts Weighed 5 tons Had 500 miles of wire Was 8 feet tall Was 51 feet long Ran nonstop for 15 years ID: 794460

computers computer ibm apple computer computers apple ibm amp 1969 invent screen case interface user graphical gui circuit chip

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Slide1

1936: The Z1 Computer, the first freely programmable computer invented by Konrad Zuse.

Slide2

1944: The Harvard Mark I the first programmable digital computer made in the U.S.

 

Facts:

Weighed 5 tons

Had

500 miles of wire

Was 8 feet tall

Was

51 feet long

Ran non-stop for 15 years

Slide3

1943 – 1945:ENIAC computer built at the University of Pennsylvania. Only half of the ENIAC is visible in this picture.

If anything went wrong you had to check each of the 19000 possible tubes.

Slide4

1958: Jack Kilby & Robert Noyce invent the Integrated Circuit (Otherwise known as 'The Chip' or ‘microchip’).

This means that computers can now be built on a much (much!) smaller level.

Slide5

1959:IBM Stretch computer – the fastest computer in the world (for a few years – until 1963).Here is the main control console:

And here is the rest of it:

Original price – only $13.5 million!

Slide6

1962Spacewar! one of the earliest known digital

computer games

is created by Steve Russell

, Martin Graetz and Wayne Witaenem.

Slide7

1964Douglas Engelbart invents the ‘X-Y position indicator for a display system’

or, as we like to call it – a ‘mouse’, nicknamed this because of the ‘tail’ that comes out of the end of it.

Slide8

1969:ARPAnet (the beginnings of the internet) goes ‘online’ for the first time. The first ever message sent was supposed to be the word ‘login’ but it crashed after sending the letters L and O.

Slide9

1969: Computers had been expensive because they required so much assembly, such as the wiring seen in this CDC 7600

Slide10

1969:Development of mini-computers such as the following PDP-12

Slide11

1970: Intel 1103 Computer Memory, the world's first available RAM chip is invented.

RAM increases a computer’s speed by giving it space to read and write data.

Slide12

1971:Faggin, Hoff & Mazor invent the Intel 4004 Computer Microprocessor The first microprocessor.

This allowed hand-crafted wiring to be produced as a

circuit which is a small sliver of silicon the size of your thumbnail.

Slide13

1971: Alan Shugart &IBM invent the "Floppy" Disk Nicknamed the "Floppy" for its flexibility.

Slide14

1974/75:The first consumer computers are created:

The Altair 8800, the first PC

Slide15

The IBM 5100

Slide16

1976/77:More computers become available to buy. Here is one of the first Apple computers.

Slide17

1979:Seymour Rubenstein & Rob Barnaby create WordStar Software Word Processors.

Slide18

1981The IBM PC Home Computer - a personal computer revolution.

Slide19

1981:Microsoft introduces MS-DOS Operating System

Slide20

1983:The Apple Lisa Computer The first home computer with a GUI (Graphical User Interface – in this case, a screen), from Apple.

Slide21

1984:Apple Macintosh Computer: The more affordable home computer with a GUI (Graphical User Interface – in this case, a screen).

Slide22

1985:Microsoft Windows begins the friendly war with Apple.

Slide23

1996:Google began in January 1996 as a project by Larry Page and Sergey Brin when they were students at University.

The name Google comes from ‘googol’ the number one followed by a hundred zeros.