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Anna007 [38]
3 years ago
7

Which is a difference between the systems development life cycle (SDLC) and extreme programming (XP)?

Computers and Technology
1 answer:
Wittaler [7]3 years ago
6 0

Answer:

the correct answer is "B"

Explanation:

the Systems development life cycle (SDLC) is a complete development process for a new product without giving any chance for alteration or improvement, Whereas,

extreme programming (XP) uses a software programme that is coded to allow for alteration. the product is continously modify until its meet customers satisfaction.

SDLC is seen as and archaic method of product development while XP is a new technology used by most company.

therefore, the SDLC models develops an entire system at once, where as XP uses incremental steps to improves an information system quality.

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A computer program that enables users to create and work with files and folders is called what?
murzikaleks [220]

Answer:

File manager

Explanation:

From the list of options 1 to 4, only option (2) is correct

Explaining the options one after the other

  • Web browser: It lets users access the internet
  • File Manager: Used to create and manage files/folders
  • User Interface: Means which the user of a computer interacts with the computer
  • File Reader: Used to read the content of a file. e.g. Adobe reader for pdf files, Notepad for text files, etc.

Having explained the options one after the other, <em>the file manager </em>is the answer to this question.

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3 years ago
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The common channel signaling (CCS) system provides a separate network dedicated to control and signaling over the PSTN. This ena
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The correct answer is A.True
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3 years ago
What can help prevent issues related to downloading content from the internet?
vodka [1.7K]

Answer:

D)

Explanation:

3 0
3 years ago
Compare the time spent on each of the above operations, and describe your observations. If an operation is too fast, you may wan
Artist 52 [7]

Here's the complete question below that clarifies what you need to do

<u>Explanation</u>:

"In this task, we will study the performance of public-key algorithms. Please prepare a file ( message.txt) that contains a 16-byte message. Please also generate an 1024-bit RSA public/private key pair. Then, do the following:

1)Encrypt message.txt using the public key; save the the output in message_enc.txt.

2)Decrypt message_enc.txt using the private key.

3)Encrypt message.txt using a 128-bit AES key.

<em><u>Compare the time spent on each of the above operations, and describe your observations. If an operation is too fast, you may want to repeat it for many times, i.e., 5000 times, and then take an average.</u></em>

<em><u> After you finish the above exercise, you can now use OpenSSL's speed command to do such a benchmarking. Please describe whether your observations are similar to those from the outputs of the speed command?</u></em>

3 0
3 years ago
1.Which of the following class definitions defines a legal abstract class?a. class A { abstract void unfinished() { } }b. class
xxMikexx [17]

Answer:(c) abstract class A { abstract void unfinished(); }

Explanation:

A legal abstract class must have the keyword abstract before the class and an abstract class has abstract functions with the keyword abstract written and a void as the return type.

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