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Question: a) Define a type 1 grammar.
b) Give an example of a grammar that is not a type 1 grammar.
c) Define a type 2 grammar.
d) Give an example of a grammar that is not a type 2 grammar but is a type 1 grammar.
e) Define a type 3 grammar.
f) Give an example of a grammar that is not a type 3 grammar but is a type 2 grammar
How does the cell phone help children to communicate and are the parents usually encouraging their children to communicate by cell phone?
Give a memory snapshot each statement is executed. Assuming that x is equal to 4 and that y is equal to 6 before the statement is executed. Also, assume that all the variables are integers.
Construct a DFA that recognizes each of the following languages. Unless otherwise noted we are assuming that ω ∈ {0,1}*. (A drawing of a state diagram is sufficient.)
Consider the following grammar: S S (S) | ε. Construct and DFA or LR(0) items for this grammar. Construct SLR(1) parsing table.
How do you think multimedia is changing our lives ,Where does it penetrates our daily living and is it a good or bad effect and What do you think will develop in the near and in the far future?
You need to prepare regular expression and finite automata - Explain each and every question in depth with examples.
What does it mean for a string to be derivable from a string w by a phrase-structure grammar G?
A Mealy sequential circuit has one input (x) and one output (z).z can be 1when the fourth, eighth, twelfth, etc.inputs are present, and z = 1 if and only if the most recent input combined with the preceding three inputs was not a valid BCD encodin..
purchasing and accounts payablesaul and latisha are both administrative managers in a machine tool company. latisha is
Let n > 1 be an integer. Prove by contradiction that if n is a perfect square, and then n + 3 cannot be a perfect square.
Sometimes it is necessary to modify the syntax of a programming language. This is done by changing the CFG that the language uses. What changes would have to be made to ac's CFG (Figure) to implement the following changes?
Construct a syntax-directed translation scheme that trans-lates arithmetic expressions from infix notation into prefix notation in which an operator appears before its operands; e.g., -xy is the prefix notation for x -y
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