Computers

this computer was not programmable and was out in 1942 and could solve some linear equations , units:1 

First programmable computer ever made and was out in 1943,

units:10

first large scale programmable digital computer out in 1945 ,

units:1 

for more about early computers visit:

 https://en.wikipedia.org/wiki/Lists_of_computers#Early_computers 

made by acorn ltd, out in 1980 

made by : Amstrad , out in 1984

Made by Apple, Out in 1979

for more info visit:

 https://en.wikipedia.org/wiki/List_of_home_computers