History of computers by Alaiyah Chandler https://padlet.com/alaiyahchandler036/sbhwt8f5hz0kz6q1 3,000BC / 21st century en-us 2021-04-08 19:27:03 UTC 2021-04-08 20:36:08 UTC hello@padlet.com https://padlet.net/icons/png/1f338.png 3000BC Abacus alaiyahchandler036 https://padlet.com/alaiyahchandler036/sbhwt8f5hz0kz6q1/wish/1397512522 Beads on rods to count and calculate ]]> 2021-04-08 19:44:24 UTC https://padlet.com/alaiyahchandler036/sbhwt8f5hz0kz6q1/wish/1397512522 1801AD Jaquard loom alaiyahchandler036 https://padlet.com/alaiyahchandler036/sbhwt8f5hz0kz6q1/wish/1397518157 first stored pro gram- metal cards]]> 2021-04-08 19:46:02 UTC https://padlet.com/alaiyahchandler036/sbhwt8f5hz0kz6q1/wish/1397518157 1630AD Slide rule alaiyahchandler036 https://padlet.com/alaiyahchandler036/sbhwt8f5hz0kz6q1/wish/1397526555 Based on Napier's rules for logarithm ]]> 2021-04-08 19:48:28 UTC https://padlet.com/alaiyahchandler036/sbhwt8f5hz0kz6q1/wish/1397526555 Charles Babbage 1822-1833 alaiyahchandler036 https://padlet.com/alaiyahchandler036/sbhwt8f5hz0kz6q1/wish/1397535906 Difference Engine
analytical Engine-Stored numbers on metal punch cards, accurate to 6 decimal places, powered by steam.]]> 2021-04-08 19:51:12 UTC https://padlet.com/alaiyahchandler036/sbhwt8f5hz0kz6q1/wish/1397535906 First generation computer alaiyahchandler036 https://padlet.com/alaiyahchandler036/sbhwt8f5hz0kz6q1/wish/1397551774 1st generation computers used vaccum tubes with no air inside to protect circuity]]> 2021-04-08 19:55:38 UTC https://padlet.com/alaiyahchandler036/sbhwt8f5hz0kz6q1/wish/1397551774 Grace hopper 1941-56 alaiyahchandler036 https://padlet.com/alaiyahchandler036/sbhwt8f5hz0kz6q1/wish/1397564574 Programmed UNIVAC]]> 2021-04-08 19:59:44 UTC https://padlet.com/alaiyahchandler036/sbhwt8f5hz0kz6q1/wish/1397564574 1945 First computer bug alaiyahchandler036 https://padlet.com/alaiyahchandler036/sbhwt8f5hz0kz6q1/wish/1397568352 Moth stuck in relay switch. Grace hopper called it debugging a computer]]> 2021-04-08 20:01:01 UTC https://padlet.com/alaiyahchandler036/sbhwt8f5hz0kz6q1/wish/1397568352 First transistor 1948 alaiyahchandler036 https://padlet.com/alaiyahchandler036/sbhwt8f5hz0kz6q1/wish/1397576105 used silicon, Used Nobel prize, on-off switch.]]> 2021-04-08 20:03:41 UTC https://padlet.com/alaiyahchandler036/sbhwt8f5hz0kz6q1/wish/1397576105 UNVIVAC 1951 alaiyahchandler036 https://padlet.com/alaiyahchandler036/sbhwt8f5hz0kz6q1/wish/1397580246 first fully electronic digital computer built in the U.S, Created at the university of Pennsylvania , weighed 30 tons, cost $487,000.]]> 2021-04-08 20:05:02 UTC https://padlet.com/alaiyahchandler036/sbhwt8f5hz0kz6q1/wish/1397580246 2nd generation computers 1956-63 alaiyahchandler036 https://padlet.com/alaiyahchandler036/sbhwt8f5hz0kz6q1/wish/1397593347 2nd Generation computers replaced vacuum tubes with 

transistors


]]> 2021-04-08 20:09:33 UTC https://padlet.com/alaiyahchandler036/sbhwt8f5hz0kz6q1/wish/1397593347 Operarting systems 1956-63 alaiyahchandler036 https://padlet.com/alaiyahchandler036/sbhwt8f5hz0kz6q1/wish/1397602826 instructions for a computer that are loaded each time the computer is turned on


]]> 2021-04-08 20:12:50 UTC https://padlet.com/alaiyahchandler036/sbhwt8f5hz0kz6q1/wish/1397602826 3rd generation 1964-71 alaiyahchandler036 https://padlet.com/alaiyahchandler036/sbhwt8f5hz0kz6q1/wish/1397613066 3rd generations computers used integrated Circuits that were made of transistors, resistors and capacitators integrated into one chip]]> 2021-04-08 20:16:21 UTC https://padlet.com/alaiyahchandler036/sbhwt8f5hz0kz6q1/wish/1397613066 4th generation computers 1971 alaiyahchandler036 https://padlet.com/alaiyahchandler036/sbhwt8f5hz0kz6q1/wish/1397624125 4th generation computers had microchips.
intel 4004 microchips had 2,250 transistors]]> 2021-04-08 20:20:16 UTC https://padlet.com/alaiyahchandler036/sbhwt8f5hz0kz6q1/wish/1397624125 MITS altar 1975 alaiyahchandler036 https://padlet.com/alaiyahchandler036/sbhwt8f5hz0kz6q1/wish/1397630820 256 bytes of memory
cost $395-495
2 MHz intel 8080 chip]]> 2021-04-08 20:22:30 UTC https://padlet.com/alaiyahchandler036/sbhwt8f5hz0kz6q1/wish/1397630820 Apple computers 1977 alaiyahchandler036 https://padlet.com/alaiyahchandler036/sbhwt8f5hz0kz6q1/wish/1397636217 released apple ll computer that was used in most schools.
First commercial with graphic user interface with gui and mouse]]> 2021-04-08 20:24:28 UTC https://padlet.com/alaiyahchandler036/sbhwt8f5hz0kz6q1/wish/1397636217 IBM PC alaiyahchandler036 https://padlet.com/alaiyahchandler036/sbhwt8f5hz0kz6q1/wish/1397643450 1. first wide selling computer
2. 8088 microchip 29,000 transistors
3.256 K RAM]]> 2021-04-08 20:26:56 UTC https://padlet.com/alaiyahchandler036/sbhwt8f5hz0kz6q1/wish/1397643450 Computers 1990s alaiyahchandler036 https://padlet.com/alaiyahchandler036/sbhwt8f5hz0kz6q1/wish/1397648041 Computers in most homes
faster and less expensive
windows 95 was 1st decent GUI

]]> 2021-04-08 20:28:44 UTC https://padlet.com/alaiyahchandler036/sbhwt8f5hz0kz6q1/wish/1397648041 21st Century computers alaiyahchandler036 https://padlet.com/alaiyahchandler036/sbhwt8f5hz0kz6q1/wish/1397653131 Great increase in speed, storage and memory.
Networking and internet capabilities. ]]> 2021-04-08 20:30:43 UTC https://padlet.com/alaiyahchandler036/sbhwt8f5hz0kz6q1/wish/1397653131