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Amanda [17]
3 years ago
9

The analysts at Techno Info Systems are considering the four-model approach to system development for a new client. If they make

use of the four-model approach, which of the following is a likely outcome?
A. It will not be possible to get ac clear picture of the current system functions before modifications are made.
B. Time taken to develop the model increases.
C. The requirements of a new information system will always be different from the current information system.
D. Costs need to develop a logical and physical model of the current system will be less.
Computers and Technology
1 answer:
Natali [406]3 years ago
4 0

Answer:

Option B is correct.

Explanation:

Within Techno Info Systems the user has been analyst contemplating that four-model concept towards computer development for such its new customer. When they adopt that four-model method, thus the result seems to be the time taken to implement the rises in the method.

So, therefore the other options are incorrect according to the following scenario.

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Write the function lettersOnly(s) that takes in a string called s, and returns a string containing only the alphabetic character
Phantasy [73]

Answer:

The program to this question as follows:

Program:

def lettersOnly(s): #defining method lettersOnly

   val="" #defining string variable that return value

   for i in s: #defining loop to calculate value

       if(i.isalpha()): #check condition that value is string

           val=val+ i #add value

   return val #return value

print(lettersOnly("data3base_ro1c3k5s")) #call method and print value

Output:

databaserocks

Explanation:

In the above python code, a method lettersOnly is declared that accepts a string variable  "s" in its parameter. Inside the method, a string variable "val", and loop is declared, in which the "val" variable holds method return value.

  • In the loop and if block is used that uses "isalpha" string method, which checks the check alphabetic character in the given value. if this is true it will calculate all value in "val" variable and return its value.    
  • At the last, the print method is used, which calls the lettersOnly method and prints its return value.
4 0
3 years ago
What is the use of tag in XML sitemap?
podryga [215]

Answer:

It works as a roadmap which tells search engines what content is available on the website and leads search engines to most important pages on the site. The standard XML tag used for sitemaps can be described as a schema and is used by all the major search engines.

Explanation:

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8 0
2 years ago
What is the purpose of the operating systems management function
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3 0
3 years ago
Choose all the answers that apply.
den301095 [7]
[1] is false, because we are talking about light reaching Earth's surface as a whole, and not in one specific place.

[2] is false, because even if it was in the middle of the night, the other side of the world will be recieving pretty much just as much light as you did the following day.

[3] is false, because even though the sun comes up lower during Winter months, and higher during Summer months, seasons are not constant throughout the entire world. So for what may be Winter for you, will likely be Summer for someone else, so still, just as much light is reaching the Earth.

[4] is false, because wind doesn't affect how light travels.

[5] is true, because clear skies will allow more light to come through that cloudy skies, for example, meaning the amount of light reaching the Earth's surface would not be consistent.
7 0
3 years ago
Read 2 more answers
Which type of network topology lets you see which end devices are connected to which intermediary devices and what media is bein
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Answer:

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