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Generation of computers Class 5 CBSE A computer is an electrical device that facilitates a variety of tasks for us. It is a multitasking powerhouse that produces precise outcomes. Computers from the first generation used machine language. The simplest programming language for computers to use is called machine language. Large vacuum tubes in the first-generation computers increased their size and cost. Transistors took the place of vacuum tubes in the second generation of computers . Although Bell Labs invented the transistor in 1947, it wasn't until the late 1950s that they were widely deployed. As a result of the transistor's superior performance over the vacuum tube, computers in the second generation are now smaller, faster, cheaper, more energy-efficient, and more dependable. The third generation of computers was made possible by advancements in integrated circuit technology. Computers can now operate more quickly and effectively because to the downsizing of transistors