CS402-Midterm
1 / 50
Which statement is true?
2 / 50
Σ={a,Aa,Abb}, then string aAaAbbAa has ________ length.
3 / 50
If L1 and L2 are expressed by regular expressions r1 and r2, respectively then the language expressed by r1 + r2 will be _________
4 / 50
TG can more then one initial state
5 / 50
“One language can be expressed by more than one NFA”. This statement is ______________.
6 / 50
If a language is expressed through TG, then that language will have its RE.
7 / 50
“Every finite language can be expressed by FA”. This statement is __________.
8 / 50
Let S = {aa, bb} be a set of strings then s* will have
9 / 50
GTG can have _______________ final state.
10 / 50
One FA has n states and m letters in the alphabet. Then FA will have _____ number of transitions in the diagram.
11 / 50
Languages generated by kleene star are always ______________.
12 / 50
In TG there may exist more than one path for certain string.
13 / 50
If an alphabet has n number of letter, then number of strings of length m will be
14 / 50
Then initial state of FA3 will consist of
15 / 50
Using tree structure final state represent by
16 / 50
If a language can be expressed through FA, then it can also be expressed through TG.
17 / 50
In FA final state represent by _________sign
18 / 50
In drawing FA3 (which is equal to FA1 + FA2), a state will be declared final if
19 / 50
If S = {ab, bb}, then S* will not contain
20 / 50
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
21 / 50
22 / 50
23 / 50
TG is always deterministic.
24 / 50
Auto Meta mean
25 / 50
S = {baa, ab}, then S* will not contain
26 / 50
Length of strings, generated by infinite language is_______
27 / 50
In TG, there may be a transition for null string.
28 / 50
RE for the language defined over Σ={a,b} having words starting with a is____
29 / 50
a*b* = (ab)* this expression is __________
30 / 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
31 / 50
(a + b)*b is RE for the language defined over S={a,b} having words not ending in a
32 / 50
Alphabet S = {a,bc,cc} has _______ number of letters.
33 / 50
If in an NFA, ^ is allowed to be a label of an edge then that NFA is called _________.
34 / 50
In TG there may exist no paths for certain string.
35 / 50
36 / 50
In FA one enter in specific stat but there is no way to leave it then state is called
37 / 50
38 / 50
FA1 corresponds to r*, then FA1 must accept _______________ string.
39 / 50
If FA1 accepts no string and FA2 accepts many strings, then FA1 + FA2 will be equal to
40 / 50
One language can be represented by more than one RE” this statement is____
41 / 50
“Every Infinite language is regular” this statement is
42 / 50
If S = {aa, bb}, then S* will not contain..
43 / 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
44 / 50
If r1 and r2 are regular expressions then which of the following is not regular expression.
45 / 50
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 ______________.
46 / 50
In FA, if one enters in a specific state but there is no way to leave it, then that specific state is called
47 / 50
48 / 50
49 / 50
50 / 50
One FA has 3 states and 2 letters in the alphabet. Then FA will have ___________ number of transitions in the diagram
Your score is
The average score is 54%
Restart quiz