CS402-Midterm
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“Every Infinite language is regular” this statement is
2 / 50
In TG there may exist no paths for certain string.
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In TG, there may be a transition for null string.
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If FA1 accepts no string and FA2 accepts many strings, then FA1 + FA2 will be equal to
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One language can be represented by more than one RE” this statement is____
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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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RE for the language defined over Σ={a,b} having words starting with a is____
8 / 50
If an alphabet has n number of letter, then number of strings of length m will be
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10 / 50
If a language can be expressed through FA, then it can also be expressed through TG.
11 / 50
In TG there may exist more than one path for certain string.
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In GTG’s there may exist no path for a certain string.
13 / 50
Every FA should be __________
14 / 50
Length of strings, generated by infinite language is_______
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16 / 50
In FA final state represent by _________sign
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18 / 50
The clouser FA*(star on an FA ) always accept ______string
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(a + b)* a is RE for the language defined over S={a,b} having words not ending in b
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21 / 50
In drawing FA3 (which is equal to FA1 + FA2), a state will be declared final if
22 / 50
S= {a,bc,cc} has the latters
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In NFA, there may be more than one transition for certain letters and there may not be any transition for certain letters. This statement is ______________.
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Alphabet S = {a,bc,cc} has _______ number of letters.
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TG is always deterministic.
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27 / 50
In FA one enter in specific stat but there is no way to leave it then state is called
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“Every finite language can be expressed by FA”. This statement is __________.
29 / 50
One FA has 3 states and 2 letters in the alphabet. Then FA will have ___________ number of transitions in the diagram
30 / 50
31 / 50
The length of output string in case of _________ is one more than the length of corresponding input string.
32 / 50
(a+b)*a(a+b)*b(a+b)* is the RE of language defined over S={a,b} having at least one a and one b
33 / 50
Which statement is true?
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35 / 50
Auto Meta mean
36 / 50
In which of the following language Rev(s)=s
37 / 50
Languages generated by kleene star are always ______________.
38 / 50
The _______ machine helps in building a machine that can perform the addition of binary numbers.
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“One language can be expressed by more than one NFA”. This statement is ______________.
40 / 50
TG can have more than one initial state.
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If a language is expressed through TG, then that language will have its RE.
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If a language has RE, then that language can be expressed through TG.
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FA1 corresponds to r*, then FA1 must accept _______________ string.
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45 / 50
If in an NFA, ^ is allowed to be a label of an edge then that NFA is called _________.
46 / 50
If r1 and r2 are regular expressions then which of the following is not regular expression.
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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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Then initial state of FA3 will consist of
49 / 50
One FA has n states and m letters in the alphabet. Then FA will have _____ number of transitions in the diagram.
50 / 50
One language can represents more than one RE.
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