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Ever wonder who makes the video games you play, or the computer programs you use? Well, people called programmers do through a process called computer programming. Computer programming is the process of making detailed instructions that computers must follow in order to perform their functions, or programs. Computer programs are expressed in precise notations called programming languages. Special programs called compilers are designed to translate programming languages into machine language. Machine language is the language that machines read to perform specific tasks. Computer programmers write, or create, programs specified to what the employer wants. They also conceive, design, and test logical structures for solving problems. Usually, a programmer can write a simple program within a few hours, but complex programs, such as games, and operating systems can take up to several years. A related field to a computer programmer is a computer operator. Computer operators oversee the operation of computer hardware systems, ensuring that these machin