CS402-Midterm
1 / 50
S= {a,bc,cc} has the latters
2 / 50
In TG there may exist no paths for certain string.
3 / 50
In TG there may exist more than one path for certain string.
4 / 50
Which statement is true?
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Alphabet S = {a,bc,cc} has _______ number of letters.
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If a language can be expressed through FA, then it can also be expressed through TG.
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a(a+b)*a+b(a+b)*b is RE for the language defined over S={a,b} having words beginning and ending with same letters
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In which of the following language Rev(s)=s
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Which of the following is not a word of language EQUAL?
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One language can be represented by more than one RE” this statement is____
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The _______ machine helps in building a machine that can perform the addition of binary numbers.
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If an alphabet has n number of letter, then number of strings of length m will be
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GTG can have _______________ final state.
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Auto Meta mean
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16 / 50
In GTG’s there may exist no path for a certain string.
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If L1 and L2 are expressed by regular expressions r1 and r2, respectively then the language expressed by r1 + r2 will be _________
18 / 50
According to 3rd part of the Kleene’s theorem, If a language can be accepted by an RE then it can be accepted by a _________ as well
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20 / 50
The clouser FA*(star on an FA ) always accept ______string
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The length of output string in case of _________ is one more than the length of corresponding input string.
22 / 50
If S = {ab, bb}, then S* will not contain
23 / 50
Using tree structure final state represent by
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RE for the language defined over Σ={a,b} having words starting with a is____
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In FA one enter in specific stat but there is no way to leave it then state is called
26 / 50
Let S = {aa, bb} be a set of strings then s* will have
27 / 50
One FA has n states and m letters in the alphabet. Then FA will have _____ number of transitions in the diagram.
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29 / 50
If S = {aa, bb}, then S* will not contain..
30 / 50
In GTG, if a state has more than one incoming transitions from a state. Then all those incoming transitions can be reduced to one transition using _____________ sign
31 / 50
TG can more then one initial state
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PALINDROME can be defined by more than one regular language
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Two machines are said to be equivalent if they print the same output string when the different input string is run on them
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a (a + b)* is the RE of language defined over S = {a, b} having at least one a
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36 / 50
Length of strings, generated by infinite language is_______
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One language can represents more than one RE.
38 / 50
FA1 corresponds to r*, then FA1 must accept _______________ string.
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40 / 50
In FA final state represent by _________sign
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S={a,bb,bab,baabb} set of strings then S* will not have
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If in an NFA, ^ is allowed to be a label of an edge then that NFA is called _________.
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If a language is expressed through TG, then that language will have its RE.
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45 / 50
If FA1 accepts no string and FA2 accepts many strings, then FA1 + FA2 will be equal to
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In TG, there may be a transition for null string.
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S = {baa, ab}, then S* will not contain
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In drawing FA3 (which is equal to FA1 + FA2), a state will be declared final if
49 / 50
One FA has 3 states and 2 letters in the alphabet. Then FA will have ___________ number of transitions in the diagram
50 / 50
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