In a brief, the system software is the interface between the hardware and user applications. System software is a type of computer program that is designed to run a computer’s hardware and application programs.
Examples : OS, System utilities, BIOS like mouse, keyboard, hard disc, Device drivers, Assembler,...
Undergraduates may get this question as feelers of their business knowledge. Insider trading describes the illegal activity of buying or selling stock based on information that is not public information. This is to prevent those with privileged information (company execs, I-bankers and lawyers) from using this information to make a tremendous amount of money unfairly.