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A. by the device used in memory & processor
A. by the device used in memory & processor
The generation of computers is classified into five distinct categories, based on the technology used and their capabilities. Here’s a brief overview of each generation:
1. First Generation (1940-1956): These computers used vacuum tubes for circuitry and magnetic drums for memory. They were large, expensive, and consumed a lot of power. Examples include ENIAC and UNIVAC.
2. Second Generation (1956-1963): Transistors replaced vacuum tubes, making computers smaller, faster, more reliable, and more energy-efficient. This generation saw the development of high-level programming languages like COBOL and FORTRAN.
3. Third Generation (1964-1971): Integrated Circuits (ICs) replaced transistors, further increasing the speed and efficiency of computers. This generation introduced operating systems, which allowed multiple programs to run simultaneously.
4. Fourth Generation (1971-Present): Microprocessors were developed, allowing computers to become even smaller and more powerful. This generation led to the proliferation of personal computers (PCs) and advances in graphical user interfaces.
5. Fifth Generation (Present and Beyond): Based on artificial intelligence and machine learning, fifth-generation computers aim to emulate human thought processes. Developments in quantum computing and advanced computing technologies are part of this generation.
These classifications help in understanding the evolution of computer technology and its impact on society.