What Is a HD?

Answer

A hierarchical data model or HDS is a data model in which the data is ordered into a tree-like structure. The structure allows representing information using parent/child relationships whereby each parent can have many children but each child can have only one parent.
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Ask.com Answer for: what is a hd
Doo·lit·tle
[doo-lit-l]
NOUN
1.
U.S. poet.
2.
U.S. aviator and general.
Source: Dictionary.com
HD is an abbreviation commonly used to stand for High Definition. It is used to describe the resolution of video technology used in video displays such as televisions. High definition videos have higher resolutions than standard definition videos. The abbreviation could also mean other things in other contexts.
Hd meaning high defination television is the latest in a long line of major improvements in TV technology, which has moved from black-and-white analogue to widescreen colour. It gives very clear, crisp pictures with bright colours and up to five times more detail than standard definition.
HDS stands for Hierarchical Data System, i.e. the underlying data system for Starlink data files.
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