The four numeric systems are Roman, Alpha, Mayan, and Arabic.
The four key of enterprise applications are: • enterprise systems ES • supply chain management systems SCM • customer relationship management systems CRM • knowledge management systems KMS
The four types of economic systems are mixed, traditional, market and command. The economic systems evolves as different societies places different emphasis on different goals.
four types of systems-built housing
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There are four major types of economic systems. This includes the mixed economy, traditional economy, command economy, and market economy.
The four organ systems that remove wastes are the Digestive System, Respiratory System, Urinary System and the Integumentary System.
markets
There are four basic and main database management systems that are used today. Those four include hierarchical, network, relational and object-oriented.
The four Pricipals of the Economic Systems are:-Private Property-Freedom Of Choice-Profit-Competion
The four main system of the earth are the geosphere , the hydrosphere, the atmosphere, and the biosphere
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