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Exercise 1 Consider the following BNF grammar for a language. Answer the questions below according to the grammar.   -> ->  + -> -> @ -> A -> Y -> B -> U   A. What is the associativity of the @ operator:  left-right-neither   B. What is the associativity of the + operator: left-right-neither   C. Which operator has higher precedence: @-+-neither   D. The grammar is left recursive-right recursive-both-neithe

Exercise 1 Consider the following BNF grammar for a language. Answer the questions below according to the grammar.   -> ->  + -> -> @ -> A -> Y -> B -> U   A. What is the associativity of the @ operator:  left-right-neither   B. What is the associativity of the + operator: left-right-neither   C. Which operator has higher precedence: @-+-neither   D. The grammar is left recursive-right recursive-both-neithe

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Exercise 1

Consider the following BNF grammar for a language. Answer the questions below according to the grammar.
 
<fun> -> <pon>
<fun> ->  <pon> + <fun>
<ybu> -> <fun>
<ybu> -> <fun> @ <ybu>
<pon> -> A
<pon> -> Y
<pon> -> B
<pon> -> U
 
A. What is the associativity of the @ operator:  left-right-neither
 
B. What is the associativity of the + operator: left-right-neither
 
C. Which operator has higher precedence: @-+-neither
 
D. The grammar is left recursive-right recursive-both-neither
 
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