Answer the following statements true (T) or false (F)

1. Any code that helps the data-entry person remember how to enter the data or the end-user remember how to use the information can be considered an alphabetic derivation code.
2. Unicode is used to represent glyph or syllables or whole words.
3. If codes must be long, they should be broken up into sub codes.
4. The code abbreviations in a mnemonic system must be frequently changed.

1. FALSE
2. TRUE
3. TRUE
4. FALSE