When ice melts, its temperature does not rise and hence its kinetic energy remains constant. The amount of energy taken by the ice is used in deriving the molecules of ice apart and it is stored in the form of potential energy. Thus, heat can be said as a form of potential energy.
Programming languages have been developed over the year in a phased manner. Each phase of developed has made the programming language more user-friendly, easier to use and more powerful. Each phase of improved made in the development of the programming languages can be referred to as a generation. The programming language in terms of their performance reliability and robustness can be grouped into five different generations,
1. First generation languages (1GL)
2. Second generation languages (2GL)
3. Third generation languages (3GL)
4. Fourth generation languages (4GL)
5. Fifth generation languages (5GL)
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