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FIRST GENERATION (1942 - 1955)
The first computers used vacuum tubesfor circuitry and magnetic drums for memory, and were often enormous, taking up entire rooms. First generation computers relied on machine language to perform operations, and they could only solve one problem at a time.
The Mark-I, EDSAC, EDVAC, UNIVAC-I and ENIAC computers are examples of first-generation computing devices. It was very expensive to operate and in addition to using a great deal of electricity, generated a lot of heat, which was often the cause of malfunctions.
Vacuum tubes used to calculate and store information, these computers were also very hard to maintain. First generation computers also used punched cards to store symbolic programming languages. Most people were indirectly affected by this first generation of computing machines and knew little of their existence.
IMPORTANT MACHINES:
Mark-I, EDSAC, EDVAC, UNIVAC-I and ENIAClearn more click here
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