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erma4kov [3.2K]
2 years ago
5

If s=abcd is a string defined over Σ = {a,bc,d}then reverse of s is dcba. Δ True Δ False

Computers and Technology
1 answer:
Minchanka [31]2 years ago
7 0

Answer:

True

Explanation:

If s=abcd is a string defined over {a,b,c,d}, it corresponds to a regular expression which can be represented using a finite automata. Then the reverse of the string essentially corresponds to another finite automata where the starting state becomes the accepting state and vice versa.Moreover all the directions of state transitions will be reversed for each of the transitions in the original automata.

With these modifications, the new finite automata will accept a string which is reverse of the original string ,namely, dcba and this string will ne part of the reverse language.

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Furkat [3]

Answer:

The correct answer is:

a. M54.6, C79.51, C80.1

Explanation:

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5 0
2 years ago
What are two characteristics of a scalable network? (choose two.)?
vampirchik [111]

The two characteristics of scalable network are such that it can easily grow in size without causing any impact to the current users. This means, increase in network capacity and technical capability will not have any detrimental effects to the users.  Another characteristic of this network is that it can work perfectly with modular devices provided they   support expansion process.


7 0
2 years ago
What would make this comparison statement False? Complete with the appropriate relational operator. "G" _____= "G"
My name is Ann [436]

Equality and Relational Operators

For the statement to return false, you can simply use the "not equal to" equality operation. The full symbol of this operation is '!=', disregarding the quotes.

<u>Examples:</u>

  • [1 != 1]  would produce FALSE. Translation: 1 <u>does not equal</u> 1?
  • [1 == 1]  would produce TRUE. Translation: 1 <u>does</u> 1?
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CONCLUSION: Use "!=".

8 0
2 years ago
If s=abcd is a string defined over Σ = {a,bc,d}then reverse of s is dcba.<br> Δ True<br> Δ False
Minchanka [31]

Answer:

True

Explanation:

If s=abcd is a string defined over {a,b,c,d}, it corresponds to a regular expression which can be represented using a finite automata. Then the reverse of the string essentially corresponds to another finite automata where the starting state becomes the accepting state and vice versa.Moreover all the directions of state transitions will be reversed for each of the transitions in the original automata.

With these modifications, the new finite automata will accept a string which is reverse of the original string ,namely, dcba and this string will ne part of the reverse language.

7 0
2 years ago
Write a single statement that will print the message "first is " followed by the value of first, and then a space, followed by "
nadezda [96]

Answer:

print("first is "+str(first)+" second = "+str(second))

Explanation:

The above written print statement is in python language.If first and second are strings then we need not to use str then we only have to write variable name.This statement prints the given in one line according to the question and it goes to new line after printing.

8 0
1 year ago
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