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Section 9 Chapter 54 - Backaus Naur Form
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Total cards: 7•Content version: v3•Public deck•Updated: 8/1/2026
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#1
Front (Question)
Syntax for defining a syntactic variable for all digits
Back (Answer)
::= 0|1|2|3|4|5|6|7|8|9
#2
Front (Question)
Syntax for defining a syntactic variable for any natural number
Back (Answer)
::= |
#3
Front (Question)
Syntax diagram
Back (Answer)
Graphical representation of backus-naur
#4
Front (Question)
How to represent a terminal element in a syntax diagram
Back (Answer)
Ellipse
#5
Front (Question)
Terminal element
Back (Answer)
An element that cannot be broken down
#6
Front (Question)
Symbol for non-terminal element
Back (Answer)
Rectangle
#7
Front (Question)
Why BNF can represent languages that cannot be represented by a regular expression
Back (Answer)
It can handle recursive definitions