Commodore vic 20 ibm pc 5150



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Date02.06.2017
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ZX80







ZX81







DEC PDP-1


































http://oldcomputers.net/pics/zx80-right.jpg







http://oldcomputers.net/pics/zx81-left.jpg







http://history-computer.com/moderncomputer/electronic/images/pdp-1.jpg


































Main memory

1 KB







Main memory

2 KB







Main memory

9 KB







Weight

340 grams







Weight

350 grams







Weight

544 KG







Number sold

100,000







Number sold

1,500,000







Number sold

50







Price

£99.95







Price

£69.95







Price

£40,000







Year

1980







Year

1981







Year

1959





























































Simon







IBM PC Convertible







Apple 1


































http://www.cedmagic.com/history/simon-personal-computer.jpg







http://oldcomputers.net/pics/ibm5140-backlit.jpg







http://www.ubergizmo.com/wp-content/uploads/2013/06/apple1.jpg


































Main memory

0







Main memory

256 KB







Main memory

8 KB







Weight

16.4 KG







Weight

5.8 KG







Weight

3.9 KG







Number sold

1







Number sold

1,000







Number sold

200







Price

£394







Price

£1,314







Price

£438







Year

1950







Year

1986







Year

1976
































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