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3 years ago

40 points to answer ALL

Computers and Technology

2 answers:

Kamila [148]3 years ago

5 0

Answer:

#1 Use case diagram is one of them and its specific purpose is to gather system requirements and actors. Use case diagrams specify the events of a system and their flows.

#2 Software architecture refers to the high level structures of a software system and the discipline of creating such structures and systems. Each structure comprises software elements, relations among them, and properties of both elements and relations.

#3 Definition. A programming paradigm is a style, or “way,” of programming. Some languages make it easy to write in some paradigms but not others. Never use the phrase “programming language paradigm.” A paradigm is a way of doing something (like programming), not a concrete thing (like a language).

#4 Object-oriented programming (OOP) refers to a type of computer programming (software design) in which programmers define not only the data type of a data structure, but also the types of operations (functions) that can be applied to the data structure.

#5 Each flow chart is concerned with one particular process or system. ... Flow charts are an important tool for the improvement of processes. By providing a graphical representation, they help project teams to identify the different elements of a process and understand the interrelationships among the various steps.

#1 Programming style, also known as code style, is a set of rules or guidelines used when writing the source code for a computer program. It is often claimed that following a particular programming style will help programmers read and understand source code conforming to the style, and help to avoid introducing errors.

#2 Version control is a system that records changes to a file or set of files over time so that you can recall specific versions later. For the examples in this book, you will use software source code as the files being version controlled, though in reality you can do this with nearly any type of file on a computer.

#3 a manual detailing the house style of a particular publisher, publication, etc.

#4 Agile software development is a process that turns a vision for a business need into solutions. We use agile because it results in software that better supports our customer needs on a faster timeline.” The Agile movement is based on the overarching goal of building software more simply.

Explanation:

20 points not 40 i need the rest

Aliun [14]3 years ago

5 0

Answer:

#1 Use case diagram is one of them and its specific purpose is to gather system requirements and actors. Use case diagrams specify the events of a system and their flows.

#3 a manual detailing the house style of a particular publisher, publication, etc.

Explanation:

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Determine whether or not the following pairs of predicates are unifiable. If they are, give the most-general unifier and show th

Evgen [1.6K]

Answer:

a) P(B,A,B), P(x,y,z)

=> P(B,A,B) , P(B,A,B}

Hence, most general unifier = {x/B , y/A , z/B }.

b. P(x,x), Q(A,A)

No mgu exists for this expression as any substitution will not make P(x,x), Q(A, A) equal as one function is of P and the other is of Q.

c. Older(Father(y),y), Older(Father(x),John)

Thus , mgu ={ y/x , x/John }.

d) Q(G(y,z),G(z,y)), Q(G(x,x),G(A,B))

=> Q(G(x,x),G(x,x)), Q(G(x,x),G(A,B))

This is not unifiable as x cannot be bound for both A and B.

e) P(f(x), x, g(x)), P(f(y), A, z)

=> P(f(A), A, g(A)), P(f(A), A, g(A))

Thus , mgu = {x/y, z/y , y/A }.

Explanation:

Unification: Any substitution that makes two expressions equal is called a unifier.

a) P(B,A,B), P(x,y,z)

Use { x/B}

=> P(B,A,B) , P(B,y,z)

Now use {y/A}

=> P(B,A,B) , P(B,A,z)

Now, use {z/B}

=> P(B,A,B) , P(B,A,B}

Hence, most general unifier = {x/B , y/A , z/B }

b. P(x,x), Q(A,A)

No mgu exists for this expression as any substitution will not make P(x,x), Q(A, A) equal as one function is of P and the other is of Q

c. Older(Father(y),y), Older(Father(x),John)

Use {y/x}

=> Older(Father(x),x), Older(Father(x),John)

Now use { x/John }

=> Older(Father(John), John), Older(Father(John), John)

Thus , mgu ={ y/x , x/John }

d) Q(G(y,z),G(z,y)), Q(G(x,x),G(A,B))

Use { y/x }

=> Q(G(x,z),G(z,x)), Q(G(x,x),G(A,B))

Use {z/x}

=> Q(G(x,x),G(x,x)), Q(G(x,x),G(A,B))

This is not unifiable as x cannot be bound for both A and B

e) P(f(x), x, g(x)), P(f(y), A, z)

Use {x/y}

=> P(f(y), y, g(y)), P(f(y), A, z)

Now use {z/g(y)}

P(f(y), y, g(y)), P(f(y), A, g(y))

Now use {y/A}

=> P(f(A), A, g(A)), P(f(A), A, g(A))

Thus , mgu = {x/y, z/y , y/A }.

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in python i wrote a function where if the user inputs a certain word the function repeats over again, since the function aaks fo

Colt1911 [192]

Check out the counter set

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Write a loop that reads strings from standard input where the string is either "land", "air", or "water". The loop terminates wh

____ [38]

Answer:

count_land = count_air = count_water = 0

while True:

s = input("Enter a string: ")

if s == "xxxxx":

break

else:

if s == "land":

count_land += 1

elif s == "air":

count_air += 1

elif s == "water":

count_water += 1

print("land: " + str(count_land))

print("air: " + str(count_air))

print("water: " + str(count_water))

Explanation:

*The code is in Python

Initialize the variables

Create a while loop that iterates until a specific condition is met. Inside the loop, ask the user to enter the string. If it is "xxxxx", stop the loop. Otherwise, check if it is "land", "air", or "water". If it is one of the given strings, increment its counter by 1

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Where does append add the new elements?

ZanzabumX [31]

Answer:

"Option 1: To the end of an array." is the correct answer.

Explanation:

The word "Append" means adding to the end of a document.

Appending means whatever new content is added, it is added at the end of the document or data structure.

Similarly,

Appending an array means adding new elements to the end of the array.

Hence,

"Option 1: To the end of an array." is the correct answer.

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Which managed service should you use if you want to do a lift and shift of an existing Hadoop cluster without having to rewrite

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