Which of the following languages is the most widely used?
FORTRAN languages is the most widely used.
Formula Translation. Early high-level computer language designed specifically for writing programs involving mathematical and scientific computations, it provided the basis for BASIC and other languages. Its newer version (Fortran 2000) is an ISO-standard language for advanced applications such as parallel computing.
FORTRAN was the world's first high-level programming language. It was developed at IBM by a small team led by John Backus. The earliest version of FORTRAN was released in 1957 as a programming tool for the IBM 704.
FORTRAN was designed for scientists and engineers, and has dominated this field. For the past 30 years FORTRAN has been used for such projects as the design of bridges and aeroplane structures, it is used for factory automation control, for storm drainage design, analysis of scientific data and so on.