Answer:
IBM ( B )
Explanation:
The first high-level language operating system was created at IBM in 1954 and in 1956 the first operating system was created and introduced . the first programming language was created at IBM in 1954 and the language was known as FORTRAN ( Formula translation ) this was a high level programming language used for general purpose but it is best suited for scientific and numeric computations till date
The first operating system GM-NAA I/O, was produced and used by General motors for IBM 704 although there were other operating systems which were not put into commercial purpose but were as well produced for IBM.
