Question
In: Advanced Math
1. Provide a regular expression that describes all bit-strings that length is at least one and...
1. Provide a regular expression that describes all bit-strings that length is at least one and at most three.
2. Provide a regular expression that describes all bit strings with odd length.
Solutions
Colby Messinger answered 1 year agoRelated Solutions
How many bit strings of length 8 if i. bit strings start with the bit 1;...
How many bit strings of length 8 if i. bit strings start with
the bit 1; ii. bit strings end with the two bits 00; iii. bit
strings either start with the bit 1 or end with the bits 00.؟
Suppose that you pick a bit string from the set of all bit strings of length...
Suppose that you pick a bit string
from the set of all bit strings of length ten. Find the probability
that
the bit string has exactly two 1s;
the bit string begins and ends with 0;
the bit string has the sum of its digits equal to seven;
the bit string has more 0s than 1s;
the bit string has exactly two 1s, given that the string begins
with a 1.
Suppose that you pick a bit string from the set of all bit strings of length...
Suppose that you pick a bit string from the set of all bit
strings of length ten. Find the probability that
the bit string has exactly two 1s;
the bit string begins and ends with 0;
the bit string has the sum of its digits equal to seven;
the bit string has more 0s than 1s;
the bit string has exactly two 1s, given that the string begins
with a 1.
1. How many 12-bit strings (that is, bit strings of length 14) start with the sub-string...
1. How many 12-bit strings (that is, bit strings of length 14)
start with the sub-string 011?
2. You break your piggy bank to discover lots of pennies and
nickels.
You start arranging them in rows of 6 coins.
How many coins would you need to make all possible rows of 6
coins (not necessarily with equal numbers
of pennies and nickels)?
3. How many shortest lattice paths start at (4, 4) and end at
(13, 13)?
4. What is...
Recall that a 5-bit string is a bit strings of length 5, and a bit string...
Recall that a 5-bit string is a bit strings of length
5, and a bit string of weight 3, say, is one with exactly three
1’s.
a. How many 5-bit strings are there?
b. How many 5-bit strings have weight 0?
c. How many 5-bit strings have weight 1?
d. How many 5-bit strings have weight 2?
e. How many 5-bit strings have weight 4?
f. How many 5-bit strings have weight 5?
g. How many 5-bit strings have weight...
Write a regular expression for the language of all strings over {a,b} in which every b...
Write a regular expression for the language of all strings over
{a,b} in which every b is directly preceded by a, and may not be
directly followed by more than two consecutive a symbols.
How many bit strings of length eight contain either at least five consecutive 0s or at...
How many bit strings of length eight contain either at least
five consecutive 0s or at
least five consecutive 1s? Explain.
How many bit strings of length fifteen a) Contain at least four 0s? b) Contain at...
How many bit strings of length fifteen
a) Contain at least four 0s?
b) Contain at most four 0s?
c) Contain exactly four 0s?
d) Begin with four 0s?
How many bit strings of length fifteen a) Contain at least four 0s? b) Contain at...
How many bit strings of length fifteen
a) Contain at least four 0s?
b) Contain at most four 0s?
c)Contain exactly four 0s?
d) Begin with four 0s?
Unix / Linux 16. Regular Expression: Given the following regular expression, provide a description of the...
Unix / Linux
16.
Regular Expression:
Given the following regular expression, provide a description of
the intended match.
^[^A-Z]
17.
Regular Expression:
Given the following regular expression, provide a description of
the intended match.
[^^!]
18.
Regular Expression:
Given the following regular expression, provide a description of
the intended match.
^.\{72\}$
19.
Regular Expression:
Given the following regular expression, provide a description of
the intended match.
[A-Za-z0-9]
20.
Regular Expression:
Given the following regular expression, provide a description of
the...
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