https://padlet.com/vikram_palani_056/b0tuhwhf6n7feqkp 3000 BC-21st century en-us 2021-04-08 19:47:37 UTC 2025-12-21 19:39:42 UTC hello@padlet.com https://padlet.net/icons/png/1f5a5.png vikram_palani_056 https://padlet.com/vikram_palani_056/b0tuhwhf6n7feqkp/wish/1397532758 Beads on rods to count and calculate]]> 2021-04-08 19:50:14 UTC https://padlet.com/vikram_palani_056/b0tuhwhf6n7feqkp/wish/1397532758 vikram_palani_056 https://padlet.com/vikram_palani_056/b0tuhwhf6n7feqkp/wish/1397553574 Based on Napier's rule for Logarithms ]]> 2021-04-08 19:56:15 UTC https://padlet.com/vikram_palani_056/b0tuhwhf6n7feqkp/wish/1397553574 vikram_palani_056 https://padlet.com/vikram_palani_056/b0tuhwhf6n7feqkp/wish/1397564647 First stored program-metal cards]]> 2021-04-08 19:59:46 UTC https://padlet.com/vikram_palani_056/b0tuhwhf6n7feqkp/wish/1397564647 vikram_palani_056 https://padlet.com/vikram_palani_056/b0tuhwhf6n7feqkp/wish/1397576596 -Difference engine
-Analytical Engine— Stored numbers on metal punch cards, accurate to 6 decimal places, powered by steam 

]]> 2021-04-08 20:03:50 UTC https://padlet.com/vikram_palani_056/b0tuhwhf6n7feqkp/wish/1397576596 vikram_palani_056 https://padlet.com/vikram_palani_056/b0tuhwhf6n7feqkp/wish/1397597325 1st generation computers used Vacuum Tubes with no air inside to protect circuitry 

]]> 2021-04-08 20:10:56 UTC https://padlet.com/vikram_palani_056/b0tuhwhf6n7feqkp/wish/1397597325 vikram_palani_056 https://padlet.com/vikram_palani_056/b0tuhwhf6n7feqkp/wish/1397603484 Moth stuck in relay switch. Grace Hopper called it debugging a computer 

]]> 2021-04-08 20:13:03 UTC https://padlet.com/vikram_palani_056/b0tuhwhf6n7feqkp/wish/1397603484 vikram_palani_056 https://padlet.com/vikram_palani_056/b0tuhwhf6n7feqkp/wish/1397644999 Created UNIVAC
Recipient of computer science's first"Man of the year award".]]> 2021-04-08 20:27:31 UTC https://padlet.com/vikram_palani_056/b0tuhwhf6n7feqkp/wish/1397644999 vikram_palani_056 https://padlet.com/vikram_palani_056/b0tuhwhf6n7feqkp/wish/1397653462 Us silicon, won nobel prize, had an on and off switch]]> 2021-04-08 20:30:51 UTC https://padlet.com/vikram_palani_056/b0tuhwhf6n7feqkp/wish/1397653462 vikram_palani_056 https://padlet.com/vikram_palani_056/b0tuhwhf6n7feqkp/wish/1401423703 first fully electronic digital computer built in the U.S., Created at the University of Pennsylvania, weighed 30 tons, contained 18,000 vacuum tubes, Cost 487, 000 

]]> 2021-04-09 20:05:09 UTC https://padlet.com/vikram_palani_056/b0tuhwhf6n7feqkp/wish/1401423703 vikram_palani_056 https://padlet.com/vikram_palani_056/b0tuhwhf6n7feqkp/wish/1401427397 2nd Generation computers replaced vacuum tubes with transistors 

]]> 2021-04-09 20:06:47 UTC https://padlet.com/vikram_palani_056/b0tuhwhf6n7feqkp/wish/1401427397 vikram_palani_056 https://padlet.com/vikram_palani_056/b0tuhwhf6n7feqkp/wish/1401431805  Instructions for a computer that are loaded each time the computer is turned on ]]> 2021-04-09 20:08:29 UTC https://padlet.com/vikram_palani_056/b0tuhwhf6n7feqkp/wish/1401431805 vikram_palani_056 https://padlet.com/vikram_palani_056/b0tuhwhf6n7feqkp/wish/1401435814 3rd Generation computers used Integrated Circuits that were made of transistors, resistors and capacitors integrated into one chip 

]]> 2021-04-09 20:10:09 UTC https://padlet.com/vikram_palani_056/b0tuhwhf6n7feqkp/wish/1401435814 vikram_palani_056 https://padlet.com/vikram_palani_056/b0tuhwhf6n7feqkp/wish/1401439160 4th Generation computers had microchips. Intel 4004 Microchip had 2,250 transistors ]]> 2021-04-09 20:11:30 UTC https://padlet.com/vikram_palani_056/b0tuhwhf6n7feqkp/wish/1401439160 vikram_palani_056 https://padlet.com/vikram_palani_056/b0tuhwhf6n7feqkp/wish/1401444720 256 bytes of memory, 2 MHz Intel 8080 chip, Cost $395—$495 

]]> 2021-04-09 20:13:49 UTC https://padlet.com/vikram_palani_056/b0tuhwhf6n7feqkp/wish/1401444720 vikram_palani_056 https://padlet.com/vikram_palani_056/b0tuhwhf6n7feqkp/wish/1401448218 First wide selling personal computer, 8088 Microchip, 29,000 transistors, 256 K RAM, 1 or 2 floppy disk drives 

]]> 2021-04-09 20:15:18 UTC https://padlet.com/vikram_palani_056/b0tuhwhf6n7feqkp/wish/1401448218 vikram_palani_056 https://padlet.com/vikram_palani_056/b0tuhwhf6n7feqkp/wish/1401452708 Apple computers released Apple ii computer that was used in most schools. 
First commercial computer with Graphic User Interface GUI and Mouse ]]> 2021-04-09 20:17:07 UTC https://padlet.com/vikram_palani_056/b0tuhwhf6n7feqkp/wish/1401452708 vikram_palani_056 https://padlet.com/vikram_palani_056/b0tuhwhf6n7feqkp/wish/1401456460 Computers in most homes, Faster and less expensive, Windows 95 was 1st decent GUI ]]> 2021-04-09 20:18:43 UTC https://padlet.com/vikram_palani_056/b0tuhwhf6n7feqkp/wish/1401456460 vikram_palani_056 https://padlet.com/vikram_palani_056/b0tuhwhf6n7feqkp/wish/1401459933 Great Increase in speed, storage and memory, Networking and Internet Capabilities, CD Drives, Cell Phones & Wireless Technology 

]]> 2021-04-09 20:20:18 UTC https://padlet.com/vikram_palani_056/b0tuhwhf6n7feqkp/wish/1401459933