Technology - Software Systems
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An important utility is the editor. It allows the user to make changes to programs and data. This would include adding new information, deleting unwanted information and correcting existing information.
Language translators form a third type of systems program. Their function is to translate programs written in various computer languages into machine code. They also perform functions such as giving error messages if syntax errors occur in a program and displaying listings of programs on a VDU screen when requested. Language translators include assemblers, compilers and interpreters.
A database management system (DBMS) is a set of systems programs, which allow the data from a database to be used by a number of different applications programs. It includes facilities for ensuring the independence, integrity and security of data.