Eloquent Javascript

]–—most commonly character strings which are used for each symbolic and numeric data. If the kind declaration on the first line had been omitted, the program would set off an error on undefined variable “p” during compilation. However, the program would nonetheless be syntactically appropriate since type declarations present solely semantic data. Very early computer systems, corresponding to Colossus, had been programmed without the assistance of a saved program, by modifying their circuitry or setting banks of physical controls. The first recognized precise bug inflicting an issue in a computer was a moth, trapped inside a Harvard mainframe, recorded in a log guide entry dated September 9, 1947. “Bug” was already a typical term for a software defect when this bug was found.

C and C++ builders could make use of compilers for a wide variety of platforms, making purposes developed in these languages largely transportable. As such, they are …