Generations of Computers First Generation Computers ● Employed during the period 1940-1956 ● Used the vacuum tubes technology for calculation as well as for storage and control purpose. ● Advantages:(1)Fastest computing devices of their time;(2)These computers were able to execute complex mathematical problems in an efficient manner.Generations of Computers ◼ First Generation Computers • Employed during the period 1940-1956 • Used the vacuum tubes technology for calculation as well as for storage and control purpose. • Advantages: (1) Fastest computing devices of their time; (2) These computers were able to execute complex mathematical problems in an efficient manner