The generations of computers refer to the major stages in the evolution of computing technology, mainly categorized by the hardware used, the processing speed, and the software development approach of each era. Here’s a breakdown of the five main generations of computers : 💻 First Generation (1940–1956): Vacuum Tubes Technology: Vacuum tubes for circuitry, magnetic drums for memory. Language: Machine language (binary). Size: Very large and bulky. Speed: Slow; calculations in milliseconds. Examples: ENIAC, UNIVAC. Problems: Produced lots of heat, frequent failures, and very high electricity usage. 💡 Second Generation (1956–1963): Transistors Technology: Transistors replaced vacuum tubes. Language: Assembly language and early high-level languages like COBOL and FORTRAN. Size: Smaller, more reliable, and more energy-efficient than the first gen. Speed: Faster, with microsecond processing time. Examples: IBM 1401, IBM 7090. 📟 Third ...
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