stored instructions and data in digital computers consists of
Computer data storage Data are encoded by assigning a bit pattern to each character, digit, or multimedia object. Many standards exist for encoding (e.g., character encodings like ASCII, image encodings like JPEG, video encodings like MPEG-4).
Computer program A computer program is usually written by a computer programmer in a programming language. From the program in its human-readable form of source code, a compiler can derive machine codeâ€”a form consisting of instructions that the computer can directly execute. Alternatively, a computer program may be executed with the aid of an interpreter.