The 13 mandatory features are: The system must support complex objects. Object identity must be supported. Objects must encapsulated. The system must support types or classes. The system must support inheritance. The system must avoid premature binding. The system must be computationally complete. The system must be extensible. The system must be able to remember data locations. The system must be able to manage large databases. The system must accept concurrent users. The system must be able to recover from hardware and software failures. Data query must be simple.
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13 StripesThe flag of the United States of America features 13 stripes of alternating red and white color, representing the original 13 colonies.13. 1 for each of the original states.There are 13 stripes in the American Flag.
There were seven royal colonies.
The center of the back of the US $1 bill features the Great Seal of the United States. The front of the seal depicts an eagle holding an olive branch and arrows in its talons, symbolizing peace and war. Above the eagle's head is a constellation of 13 stars representing the original 13 colonies. The reverse side of the seal features an unfinished pyramid with the Eye of Providence above it, symbolizing strength and the watchful eye of a higher power.
To represent the 13 original colonies. To represent the 13 original colonies.
13 original colonies!