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posledela
3 years ago
13

4. When emergency changes have to be made to systems, the system software may have to be modified before changes to the requirem

ents have been approved. Suggest a model of a process for making these modifications that will ensure that the requirements document and the system implementation do not become inconsistent.
Computers and Technology
1 answer:
Vikentia [17]3 years ago
7 0

Answer:

Incremental model

Explanation:

Incremental model is the best modification in older version are feasible and can be easily managed.

Incremental model involves the technique of developing soft ware in which the product is designed implemented and tested in stages until the product is finished. The term finished here means the product as meet all its requirement.

This model entails development as well as maintenance.

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Describe the difference between gui and cli​
konstantin123 [22]

Answer:

The main difference between GUI and CLI is that the Graphical User Interface (GUI) allows the user to interact with the system using graphical elements such as windows, icons, menus while the Command Line Interface (CLI) allows the user to interact with the system using commands.

Explanation:

3 0
3 years ago
A server provides the services to take you to the correct website domain when you type cengage.com in your web browser. If this
kati45 [8]

Answer:

A DNS Server

Explanation:

DNS (Domain Name Server) is a server or a computer that holds the records of IP addresses on the internet or any network with their associated names of hosts, the job of the DNS is to resolve the domain name to an ip address that corresponds to the requested name everytime there is a request on a particular domain name.

3 0
3 years ago
Write a program that asks the user for a word. Next, open up the movie reviews.txt file and examine every review one at a time.
Hatshy [7]

Answer:

import numpy as np

word = input("Enter a word: ")

acc = []

with open("Downloads/record-collection.txt", "r") as file:

   lines = file.readlines()

   for line in lines:

       if word in line:

           line = line.strip()

           acc.append(int(line[0]))

   if np.mean(acc) >= 2:

       print(f"The word {word} is a positive word")

       print(f"{word} appeared {len(acc)} times")

       print(f"the review of the word {word} is {round(np.mean(acc), 2)}")

   else:

       print(f"the word {word} is a negative word with review\

{round(np.mean(acc), 2)}")

Explanation:

The python program gets the text from the review file, using the user input word to get the definition of reviews based on the word, whether positive or negative.

The program uses the 'with' keyword to open the file and created the acc variable to hold the reviews gotten. The mean of the acc is calculated with the numpy mean method and if the mean is equal to or greater than 2 it is a positive word, else negative.

5 0
3 years ago
The following characteristics are common to the majority of cloud environments, except: 1. on-demand usage 2. resiliency measure
irga5000 [103]

Answer: 4. Availblitliy is not a major characteristic.

Explanation:

-Manufacturing organization can provide additional computing resources without going through the cloud service provider.

-Multi-tenancy allows multiple customers to share the same applications/the same physical infrastructure while retaining privacy and security over their information.

-Cloud computing resources usage is metered and organizations pay accordingly for what they have used.

-Elasticity is a landmark of cloud computing and it implies that organizations can rapidly provision and de-provision any of the cloud computing resources.

4 0
4 years ago
Main function of Ubuntu
Lynna [10]

Answer:

Ubuntu includes thousands of pieces of software, starting with the Linux kernel version 5.4 and GNOME 3.28, and covering every standard desktop application from word processing and spreadsheet applications to internet access applications, web server software, email software, programming languages and tools

Explanation:

5 0
3 years ago
Read 2 more answers
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