followers This is not valid email address The passwords do not match No more questions Choose at least 1 category! Error - username is empty! Error - name is empty! Error - email is empty! No answers Question should have '?' at the end! Question is too long! Description is too long! Select until 10 topic(s) for your question Are you sure? Points which you accumulated by this question will be deleted! Are you sure? Points which you accumulated by this answer will be deleted! Question was deleted! Mention user Insert username No more notifications No more points Answer can not be empty!


A computer program is a collection of instructions that performs a specific task when executed by a computer. A computer requires programs to function, and typically executes the program's instructions in a central processing unit. 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 code—a form consisting of instructions that the computer can directly execute. Alterna