Java is a programming language and computing platform first released by Sun Microsystems in 1995. There are lots of applications and websites that will not work unless you have Java installed, and more are created every day.
IIS is able to impersonate the IUSR_<computername> account because the user name and password for this account are known by IIS. Before returning a page to the client, IIS checks NTFS file and directory permissions to see if the IUSR_<computername> account is allowed access to the file.
The internal rate of return (IRR) is a tool that's useful in corporate and personal finance for comparing investment opportunities. The goal of IRR finance is to optimize your investment funds within a defined time period to obtain the best return among competing investment opportunities. Formally an analytic tool for banking and corporate finance, IRR is gaining popularity among young couples for family investment decisions.