Find all strings with length exactly 4 represented by the regular expression, a*bb*. Put your answers...
Find all strings with length exactly 4
represented by the regular expression, a*bb*. Put
your answers in
alphabetical order separated by a single space and no commas.
Homework Answers
aaab aabb abbb bbbb
this answer is in alphabetical order and length of exactly 4.
Add Answer to:
Find all strings with length exactly 4
represented by the regular expression, a*bb*. Put
your answers...
****** Theory of Computing ********* 1. Provide a regular expression for “all even length strings of...
****** Theory of Computing ********* 1. Provide a regular expression for “all even length strings of b’s”. 2. List all words of length 4 in Language((a+b)* a). Also, provide an English description of this language.
Construct a deterministic finite automaton accepting all and only strings in the language represented by the...
Construct a deterministic finite automaton accepting all and only strings in the language represented by the following regular expression: ((aa ∪ bb)c)*
Provide a regular expression that describes all bit-strings that length is at least one and at...
Provide a regular expression that describes all bit-strings that length is at least one and at most three.
(4 points.) Consider the regular expression (11 + 00)'1(e + 01). . Give two strings of O's and 1's, each 6 to 12 characters long, that are both represented by this regular expression...
(4 points.) Consider the regular expression (11 + 00)'1(e + 01). . Give two strings of O's and 1's, each 6 to 12 characters long, that are both represented by this regular expression . Construct a nondeterministic finite automaton equivalent to the regular expression.
(4 points.) Consider the regular expression (11 + 00)'1(e + 01). . Give two strings of O's and 1's, each 6 to 12 characters long, that are both represented by this regular expression . Construct a...
Find a regular expression for the following language over the alphabet Σ = {a,b}. L = {strings th...
Find a regular expression for the following language over the alphabet Σ = {a,b}. L = {strings that begin and end with a and contain bb}.
Question 1 - Regular Expressions Find regular expressions that define the following languages: 1. All even-length...
Question 1 - Regular Expressions Find regular expressions that define the following languages: 1. All even-length strings over the alphabet {a,b}. 2. All strings over the alphabet {a,b} with odd numbers of a's. 3. All strings over the alphabet {a,b} with even numbers of b’s. 4. All strings over the alphabet {a,b} that start and end with different symbols. 5. All strings over the alphabet {a, b} that do not contain the substring aab and end with bb.
6. Find all strings of length S or less generated by this Regular Grammar A→Aalbb 7....
6. Find all strings of length S or less generated by this Regular Grammar A→Aalbb 7. Construct an NFA for the language defined by this Regular Grammar
1. Use a Regular Expression to define the set of all bit strings of one or...
1. Use a Regular Expression to define the set of all bit strings
of one or more 0's followed by only a 1.
2. Use a Regular Expression to define the set of all bit string
of two or more symbols followed by three or more 0's.
3. Are these two grammars the same?
a. S-> aSb|ab|λ
b. S-> aAb|ab A->aAb|λ
4. Use the process of elimination to find the language of the
following FA: (see picture for diagram)
5....
Fully explain your answers for all questions. Q1. A password must have exactly ten symbols, each...
Fully explain your answers for all questions. Q1. A password must have exactly ten symbols, each symbol being one of the 26 lower case letters or one of the five special symbols as follows: *, &, %, $, #. (You can leave your answer as a mathematical expression rather than a number ). (a) How many such passwords are possible in total? (b) How many passwords are such that all their symbols are distinct? (c) How many passwords use only...
Consider all bit strings of length 12 How many have 8 0s and 4 1s that have exactly 3 consecutive...
consider all bit strings of length 12 How many have 8 0s and 4 1s that have exactly 3 consecutive 1s (allow 4 consecutive 1s)? A 90 В 72 С 45 D 36 E 9
consider all bit strings of length 12 How many have 8 0s and 4 1s that have exactly 3 consecutive 1s (allow 4 consecutive 1s)? A 90 В 72 С 45 D 36 E 9
(4 points.) Consider the regular expression (11 + 00)'1(e + 01). . Give two strings of O's and 1's, each 6 to 12 characters long, that are both represented by this regular expression . Construct a nondeterministic finite automaton equivalent to the regular expression.
(4 points.) Consider the regular expression (11 + 00)'1(e + 01). . Give two strings of O's and 1's, each 6 to 12 characters long, that are both represented by this regular expression . Construct a...
Question 1 - Regular Expressions Find regular expressions that define the following languages: 1. All even-length strings over the alphabet {a,b}. 2. All strings over the alphabet {a,b} with odd numbers of a's. 3. All strings over the alphabet {a,b} with even numbers of b’s. 4. All strings over the alphabet {a,b} that start and end with different symbols. 5. All strings over the alphabet {a, b} that do not contain the substring aab and end with bb.
6. Find all strings of length S or less generated by this Regular Grammar A→Aalbb 7. Construct an NFA for the language defined by this Regular Grammar
1. Use a Regular Expression to define the set of all bit strings
of one or more 0's followed by only a 1.
2. Use a Regular Expression to define the set of all bit string
of two or more symbols followed by three or more 0's.
3. Are these two grammars the same?
a. S-> aSb|ab|λ
b. S-> aAb|ab A->aAb|λ
4. Use the process of elimination to find the language of the
following FA: (see picture for diagram)
5....
consider all bit strings of length 12 How many have 8 0s and 4 1s that have exactly 3 consecutive 1s (allow 4 consecutive 1s)? A 90 В 72 С 45 D 36 E 9
consider all bit strings of length 12 How many have 8 0s and 4 1s that have exactly 3 consecutive 1s (allow 4 consecutive 1s)? A 90 В 72 С 45 D 36 E 9
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