The interpreter uses the source language and converts the program through each line of data. It will take human language (also known as a source language) and convert it into machine language ( object language). Any interactive computer will require a translator so they can convert data into high-level computer language.Ī compiler is essentially a translator. It’ll read the source code and execute the program. Running the most basic software programs on a computer requires machine language so that the computer knows and understands what it’s being asked to do. Human language, say English, must be converted into machine language so the system can operate. That’s why computers require a command to be written in a specific way, internally. Computers and software run on machine speak. While computer systems are smart and interactive, they cannot compute human language or convert it into a command they know. We, as humans, can logically understand words and commands through speech, but computers are different. Software programs use compilers and interpreters so they can operate on a computer system. As an Amazon Associate I earn from qualifying purchases.