Exercise 2: The following shows a simple context free grammar (CFG): E- T-> F→ E+T T T*F F nb (E) Which of the following sentences are recognized by this grammar: 5+9+5, 2+8*(4*9)*4*(7+6), 3+7-2

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
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Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Exercise 2:
The following shows a simple context free grammar (CFG) :
Exercise 3:
Consider the following grammar :
Which of the following sentences are recognized by this grammar: 5+9+5, 2+8*(4*9)*4*(7+6),
3+7-2
S
T
E →>>
T→>
F→
ab (T)
T,S | S
E+T T
T*F F
nb (E)
a) What is the type of this grammar ?
b) Give the four elements of this grammar {T,N,S,P}
c) Draw the parse tree for: (a,b) and (b,(a,a))
Transcribed Image Text:Exercise 2: The following shows a simple context free grammar (CFG) : Exercise 3: Consider the following grammar : Which of the following sentences are recognized by this grammar: 5+9+5, 2+8*(4*9)*4*(7+6), 3+7-2 S T E →>> T→> F→ ab (T) T,S | S E+T T T*F F nb (E) a) What is the type of this grammar ? b) Give the four elements of this grammar {T,N,S,P} c) Draw the parse tree for: (a,b) and (b,(a,a))
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