It little bit better than first generation computers. Second Generation computers were working in between the 1956-1963 with Transistors. The UNIVAC was the first commercial computer design with vacuums tubes in first generation in U.S that developed to use at U.S.
Those types of computers take the input from punched cads and give output to the users on screens. First generation computersperform several operations bit those take more time due to the simple programming skills. Those devices vulnerable to the attacks and get malfunctions. First generation computers use more power from electricity and that produce high heat. Vacuum Tubes most useful to process the data in memory. Some of the computers occupying large buildings those can connect huge number of computers.Ĭomputer Generations classified into five types such as following.įirst Generation Computers were working during the 1940-1956 with proper maintenance of Vacuum Tubes on those computers. The major four types of Computer Generations. Both types of categories work well up to now. Computers categorized into several types based on generations and based on size of computers.
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