Mutual funds may invest in many kinds of securities. The types of securities that a particular fund may invest in are set forth in the fund's prospectus, a legal document which describes the fund's investment objective, investment approach and permitted investments.here are three types of U.S. mutual fundsâ open-end funds, unit investment trusts, and closed-end funds. The most common type, open-end funds, must be willing to buy back shares from investors every business day.
Heuristic analysis is a method employed by many computer antivirus programs designed to detect previously unknown computer viruses, as well as new variants of viruses already in the wild.nother common method of heuristic analysis is for the anti-virus program to decompile the suspicious program, then analyze the source code contained within. The source code of the suspicious file is compared to the source code of known viruses and virus-like activities.
Definition of heuristic. Examples of heuristic in a sentence. âCultâ is best understood not as a descriptor, but as a command, like a law officer's âHalt!â Its purpose is to stop and contain. Search engines â¦ use heuristics to determine the way in which to orderâand thereby prioritizeâpages.