A CMOS battery--short for complementary metal oxide semiconductor--is necessary to retain your computer's hardware settings. Symptoms of a dying CMOS battery include system warnings, lost time settings, and sometimes even unexpected shutdowns. Once you've recognized the symptoms, you can check the battery itself.
A non-governmental organization (NGO) is a citizen-based association that operates independently of government, usually to deliver resources or serve some social or political purpose.
Basically, an organization in its simplest form (and not necessarily a legal entity, e.g., corporation or LLC) is a person or group of people intentionally organized to accomplish an overall, common goal or set of goals.