system configuration (n)~ In reference to a single microcomputer the sum of a system’s internal and external components including memory disk drives keyboard video and generally less critical add-on hardware such as a mouse modem or printer. Software (the operating system and various device drivers) the user’s choices established through configuration files such as the AUTOEXEC.BAT and CONFIG.SYS files on IBM PCs and compatibles and sometimes hardware (switches and jumpers) are needed to configure the configuration’ to work correctly. Although system configuration can be changed System Configuration Checker (n)~ A system preparation tool that helps to avoid setup failures by validating the target machine before a software application is installed.