Notes
Data Hierarchy - created from Mind Map
Content of the notes (1)
Page 1
bit
composed of either 1s or 0s
Character Set
all computer actions
Unicode
Fields
ASCII
supports most languages and emojis
Records
One field is chosen as a record key
Files
viewed as sequences of bites
Database
Tables
are groups of related records
relational database
can be searched and sorted
Big Data
apps dealing with lots of data
composed of both records and files
used by relational databases
bit examined
bit set
bit reversed
Information
- Description
- 12th grade Computer Science Note on Data Hierarchy - created from Mind Map, created by Arianna Richardson on 21/09/2018.
- Created by
- Arianna Richardson
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- Created by Arianna Richardson · Sep 21, 2018
- Copied to Note by Arianna Richardson · Sep 21, 2018
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