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.

Answer:

E. Freemium pricing

Explanation:

Which pricing strategy is especially popular in digital offerings such as software media and​ games?

-- answer is : E )  Freemium pricing

Answer:

Option 4 is the correct answer for the above question.

Explanation:

"Authorization memo" is a type of letter which is providing to anyone when a person wants to authorize a person to do any work. For example, if a person wants to authorize another person to use his id and the password to log on the internet, then he can do it by providing the authorization letter to him. this letter is known as an authorization memo.

The above question scenario said to take the authorization letter from the CEO. so the letter is known as an authorization memo. Hence option 4 is the correct answer while the other is not because-

Answer:

"spiders" is the correct answer for the above question.

Explanation:

Answer:

Package

Explanation:

In a conventional kind of definition, a software package is basically several applications or code modules that work hand-in-hand to meet a range of goals and objectives. One of the most well-known examples is package like the Microsoft Office package, which consist of individual applications such as Excel, Word, Access and PowerPoint.

It can also be said to be numerous individual files or resources that are packed together as a software set which is meant to provides specific functionality as part of a larger system.

Answer:

utility computing

Explanation:

under the utility computing model, organizations "rent" resources such as processing, data storage, or networking from an external provider on an as-needed basis and pay only for the services used.

Answer:

The cable run connecting the new keystone jack to the patch panel is bad.

The patch panel connector for the new location's cable run is not connected to a switch.

Explanation:

The cable run connecting the new keystone jack to the patch panel is bad.

The patch panel connector for the new location's cable run is not connected to a switch.

Answer:

The answer is "Confidentiality".

Explanation:

Data Security is also known as protection against unauthorized computer access, files, and pages through digital information protection. The protection of data also prevents data from bribery.  

Answer:

Vigenère

Explanation:

It is a method of encrypting alphabetic text by using a form of polyalphabetic substitution. A polyalphabetic cipher is any cipher based on substitution, ie using multiple substitution of alphabets. The encryption is done using a Vigenère table.

To encrypt a message using the Vigenère Cipher you choose a keyphrase. Then repeat this keyword over and over until it is the same length as the original text; this is referred to as a keystream.

Answer:

Data Understanding.

Explanation:

CRISP-DM (Cross Industry Standard Process for Data Mining). The stage Data Understanding characteristics:

Answer:

Manchester Coding Technique

Explanation:

Manchester code (also referred as phase encoding, or PE) is a type of line code in which the process of encoding of each data bit will either be from low then high, or high then low, for an equal amount of time. It is a self-clocking indicator with no DC component.

It is also a data-modulation system that can be utilized for many situations but is mainly used in binary data transfer based on analog, high-speed-digital, RF, optical, or long-distance-digital signals.

Answer:

Following are the program in the Python Programming Language.

#declare variables and initialize to 0

s=0

n=0

avg=0

#set the infinite while loop  

while(True):

 #get input from the user

 score=input()

 #set if statement to break loop

 if(score =="stop"):

   break

 #otherwise, perform calculation

 else:  

   n+= 1

   s=s+ int(score)

   avg= s/n

#print average of the input

print ('average: ',avg)

Output:

58

96

34

15

stop

average:  50.75

Explanation:

Following are the description of the program.

1. Option B)"Between-subjects." , 2. Option B) "Within-subjects."

3. Option A)The same individuals participated in both treotment conditions.

1.The design described, where half of the students receive a test printed in size 10 font and the other half receive a test printed in size 14 font, is a between-subjects design. Each participant experiences only one level of the independent variable (font size), and they are divided into separate groups based on this factor. Therefore, the correct answer is Option B) "Between-subjects."

2.The design described, where the same group of students receives both the size 10 and size 14 font tests, is a within-subjects design. Each participant experiences both levels of the independent variable (font size), and their performance is compared across these levels. Therefore, the correct answer is Option B) "Within-subjects."

3.B. "The two groups were roughly equivalent when assigned to the two treatments."

In between-subjects experiments, where different groups of participants receive different treatments, it's crucial to ensure that these groups are similar in relevant characteristics. This helps to minimize the possibility that differences in the outcome variable (such as test scores) are due to pre-existing differences between the groups rather than the manipulation of the independent variable (in this case, instructional method).

Random assignment of participants to treatment conditions helps achieve this equivalence. If the two groups (understanding and memorization) were roughly equivalent when assigned to the two treatments, it means that any differences in performance between the groups can be more confidently attributed to the different instructional methods rather than to pre-existing differences in factors like intelligence. Therefore, option B is the correct choice.

Complete Question:

1.A researcher wants to examine whether the sige of the font of test questions affects scores on a test. The researcher gives 200 undergraduate students the same test, except that half of the students recelve a test printed in size 10 font and the other half of the students' exams are printed in slze 14 font, What type of design is this?

A.Within-subjects

B.Between-subjects

2.A researcher wants to examine whether the size of the font of test questions affects scores on a test. The researcher gives 200 undergraduate students a test printed in slze 10 font. The following week, these same students receive a test printed in size 14 font. What type of design is this?

A.Between-subjects

B.Within-subjects

3.Because between-subjects experiments use a different group of particjponts for each treatment concition, one concern is that the participants in one treatment are noticeably different-for example, older, faster, or smarter-from the participants in ancther treatment, In the Katoina experiment, how Can the researchor be reasonobly confident that the students in the understanding group were not considerably smarter than the students in the memorization group and that the difference in performance isn't simply coused by intelligence?

A.The same individuals participated in both treotment conditions.

B.The two groups were roughly ecuivalent when assigned to the two treatments.

The described study employs an experimental design where the font size is varied to evaluate its impact on test scores, with participants randomized into control and treatment groups.

The study described by the student is an example of an experimental design, specifically a randomized controlled experiment where the researcher manipulates an independent variable to assess its effect on a dependent variable. In this case, the independent variable is the font size of the test questions, and the dependent variable is the resulting test scores. The researcher has assigned participants randomly to receive the test in either size 10 font or size 14 font, making it a controlled experiment with a treatment and a control group. This design helps to eliminate selection biases and allows for a comparison of outcomes to determine the effect of font size on test performance.

Answer:

D. Communication Skills

Explanation:

In troubleshooting a computer, the troubleshooter needs to understand the problem of the computer from the user or owner. With proper communication skills, the troubleshooter would be able to elicit information needed from the user to understand the problems associated with the computer. Establishing good rapport with good communication skills makes understanding the problem of the computer a whole lot easier. Also, you get to learn the user's perspective about the issues associated with the computer using good communication skills. Good communication skills enhances and improves a technician troubleshooting techniques. Lastly, explaining the solution to the problems associated with the computer now becomes easier again with good communication skills because a good rapport has already been established.

Answer:

Communication skills

Explanation:

A system technician is a computer expert that is a literate in computer system use and diagnosis or troubleshoot and fit faulty computer systems.

The technician has to master the steps in troubleshooting systems and must have the skill to communicate with the user of the system to retrieve and deliver information.

Answer:

The answer is "Option B"

Explanation:

This process requires the user to create an information network built on computers and also to manage them. All these are special design and manufacturing systems, that enable manual data to be automated, that's why many computer information technologies don't require manual data mining, and wrong choices can be described as follows:

Answer:

Is this multiple choice? If my computer froze and powered down, I'd probably power it back on- get like a virus checker thing??

Explanation:

Answer:

Portable Network Graphics is the correct answer of this question.

Explanation:

Portable Network Graphics i is the graphics formats which we use for comic-style drawing Portable Network Graphics is a media structure that is used to compress digital video objects. Portable Network Graphics almost completely overtaken the Graphics Merge Standard (GIF),which has been commonly used during the history.

For example:- Portable Network Graphics images use lossless compression      like GIF files.

Final answer:

For comic-style drawings on the web, PNG is the recommended graphic format due to its lossless compression and support for transparency. GIF can be used for simple animations, and JPG for detailed drawings with many colors. However, vector graphics may be the best choice for scalability and quality.

Explanation:

When starting an internship in graphic design, it's important to understand which graphic formats are best suited for comic-style drawings for web use. For comic-style images, vector graphics are often preferred due to their scalability and clean lines, but for web, the universally supported formats are GIF, JPG, and PNG.

Since comic-style drawings consist of solid colors and clear lines, the PNG format is often recommended. It supports transparency and does not lose quality due to its lossless compression. For simple animations, GIF would be suitable, as it also supports transparency and allows for frame-by-frame presentation. However, if the drawings are highly detailed and contain a wide range of colors, JPG might be used because of its ability to handle complex images with more color depth, at the cost of some quality due to lossy compression.

It is also valuable to consider raster and vector graphics in your workflow. Vector graphics, such as those created with Adobe Illustrator, are ideal for comic-style drawings because they can be scaled without losing quality, making them perfect for both print and web.

Answer:

ROT13  is the correct answer of this question.

Explanation:

The ROT13 cipher is a single-alphabet substitution cipher, which is a Caesar cipher permutation. All letters are rotated through the alphabet to 13 characters. ROT13 is a particular case of the Caesar cypher that was created in ancient Rome.

Final answer:

The ROT13 cipher is a permutation of the Caesar cipher where each character in the plaintext is rotated 13 places through the alphabet; it's different from the transposition cipher used in the Zimmerman Telegram.

Explanation:

The cipher described in the student's question is the ROT13 cipher. This cipher is a specific type of substitution cipher where each letter in the plaintext is rotated 13 positions down the alphabet. For example, 'A' becomes 'N' and 'N' becomes 'A'. It is called a permutation of the Caesar cipher because, like the Caesar cipher, it involves shifting the alphabet. However, the shift is always 13, making it a fixed variation. Unlike a transposition cipher, such as the one used in the Zimmerman Telegram, a substitution cipher replaces one character with another rather than rearranging them.

Answer:

D. 10, 5.

Explanation:

Answer:

This question is incomplete, here is the complete question;

True or False:

The Digital Signature Standard established by NIST is used for the electronic document authentication by federal information systems. It is based on a variant of the ElGamal algorithm.

Answer:

True

Explanation:

The Digital Signature Standard (DSS) refers to the Federal Information Processing principles which specified the suite of algorithms that may be used to create or generate digital signatures; this set standard was established by the U.S. National Institute of Standards and Technology (NIST) in the year 1994 and was structured based on a variant of the ElGamal algorithm.

The Digital Signature Standard by NIST applies cryptographic signing to ensure the authenticity of electronic documents. It is based on a variant of the ElGamal algorithm, providing integrity and non-repudiation for electronic records and software verification.

The Digital Signature Standard (DSS) established by the National Institute of Standards and Technology (NIST) uses cryptographic signing based on a variant of the ElGamal algorithm. The primary purpose of DSS is to ensure the authenticity of electronic documents within federal information systems. Cryptographic signing achieves the digital equivalent of a signature, indicating that the message or document is indeed from the purported sender.

Cryptographic signatures provide two essential properties of authenticity: integrity and non-repudiation. Signing electronic records and messages using the sender's private key allows the receiver, with the sender's public key, to verify that the document is unaltered and to confirm the sender's identity.

Cryptographic signing is not limited to messages; it also includes applications like verifying software integrity. Developers often use cryptographic signatures to assure users that the software has not been tampered with from the development stage to the point of installation on users' devices.

In the realm of digital security, being able to authenticate the source of information is crucial. Cryptographic signing is a cornerstone of trust online, helping to combat identity theft as well as prevent high-tech fraudulent activities such as network traffic redirection.

Answer: Time Division Multiple Access (TDMA)

Explanation:

Time Division Multiple Access (TDMA) is a digital cellular telephone communication technology which allow many users to share the same frequency without interference. It works by dividing a signal into different timeslots, and increasing the data carrying capacity.

Time Division Multiple Access (TDMA) is a complex technology since it requires accurate synchronization between the transmitter and the receiver. Again, TDMA is used in digital mobile radio systems. The individual mobile stations cyclically assign a frequency for the exclusive use of a time interval.

In most instances, the entire system bandwidth for an interval of time is not assigned to a station. But the frequency of the system is divided into sub-bands, and TDMA is used for the multiple access in each sub-band. Sub-bands are referred to as carrier frequencies and the mobile system that uses Sub-bands are known as the multi-carrier systems.

Consider this illustration, the frequency band has been shared by three users. Each user is assigned definite timeslots to send and receive data. user ‘2' sends after user ‘1’ and user ‘3’ sends thereafter. More users can be added too.

From the question, Time Division Multiple Access (TDMA) are developed to improve the efficiency and quality of digital communications and it can divide a channel into six or more time slots.

Answer:

Security blueprint

Explanation:

NIST 800-14 provides an understanding of the fundamental security requirements and security blueprints that most IT systems should include, serving as a reference for companies or organizations that desire to create and review their IT security programs.

The principles established a foundation for a concrete system security program and this practices directs organizations on the types of controls, objectives and processes that are involved in an effective and efficient IT security program.

UTM consists of a firewall handling all traditional firewall functions (SPI, ACLs, etc.) as well as additional security functions such as antivirus filtering, spam filtering, application proxy filtering.

Explanation:

The term UTM stands for Unified Threat Management

A traditional firewall is defined as a device that can control the flow of traffic that is allowed to enter or exit a point within the network.

The  technique  of traffic monitoring means that the firewall just keep a check over each  data packet  individually without disturbing  the “flow” of traffic

Few Example of the fire wall used by  small business houses are  -Fortinet, Ubiquiti EdgeRouter, Cisco NGFW, OPNSense.

Answer:

Add the link to a cloud based bookmark like google bookmark or Delicious.

Explanation:

Bookmarking sites allows a user to save their Internet bookmarks online. A cloud based bookmark will enable you to access this link with any device of your choice be it your phone or your laptop, you can even use another person's phone to access it as long as you have your login details. On cloud based bookmarks, you can have access to whatever is saved there from anywhere with an internet connection. You don't need to be at your desk to access the link sent by your mom neither must it be done from the particular computer she sent it to as long as you save the link on a cloud based bookmark.

Answer:

the correct answwer is : add the link to a cloud based bookmark sevice ...etc

Answer:

Option (a) is the correct answer of this question.

Explanation:

E-Learning means that Electronic Learning. It covers a broad spectrum of applications, including online and computer-based training (CBT) and public networks.E-Learning is learning to use new technology to navigate curricula beyond a conventional classroom is known as Electronic learning.

There are two types of E-learning are known as:-

E-learning is the correct answer, which includes web and CBT applications, and utilizes social networks for educational content delivery, interactive student engagement, and blending learning approaches.

The answer to the student's question which covers a wide variety of applications such as web and computer-based training (CBT), and social networks is e-learning. E-learning utilizes digital platforms to deliver educational content and can encompass various methods such as direct instruction, discussion activities, distance education, and the use of digital textbooks. The instructional processes in e-learning have evolved to include more open practices like blended learning approaches and two-way communication tools, encouraging active student engagement and interactive learning experiences.

Furthermore, e-learning methods have been used to adapt evidence-based programs for electronic delivery, making these programs more accessible and time-efficient. These advances align with the continual shift toward formal education and informal education that leverages modern technology for varied and flexible learning experiences.

Answer:

program to this question can be defined as follows:

Program:

#include <iostream> //defining header file

using namespace std;

void send_number(int x) //defining method send_number

{

cout<<x; //print the value

}

int main() //defining main method

{

   send_number(5); //calling a method

   return 0;

}

Output:

5

Explanation:  

Answer:

A) make walls impassible

Explanation:

In unity, we can use a collier to make an impassible wall or other objects, for example, if we have a wall or floor of ice will be slippery, but this object won't be deformed, and we can add this collider in a ball, this object will have physic but this won't be deformed, the collider is invisible but the object is physic.

Answer:

The last option i.e "A class is an instance of its object" is the correct answer of this question.

Explanation:

A class is a collection of variable and method . The class is the blueprint of the object that means class is physical space entity and object is a runtime space entity.It is the the reusability feature of the programming component.

Following are the  syntax to declare any class.

                     Class classname

For Example: class test1

With the help of class we can achieve the inheritance, encapsulation and abstraction etc.

All the other options except the last one are correct option. Because option(1), option(2) and option(3) follow the property of class and object .  that's why last option is False.

Answer:

Customer Relationship Management (CRM)

Explanation:

Establishing and managing the relationship between the organization, potential and current customers is important for organizational development. CRM manages the potential or established relationship between the customer and the organization, ensuring that customer satisfaction is met.

It analyses customer history data (purchases, products, time of purchase, etc.) with a special focus on retaining customers and improving sales. Compiling data from multiple communication channels showcases one of the vital parts of the CRM method. These channels can be social media, live chat, email, telephone, website and so on.

Answer:

B. 80%

Explanation:

To assertain:

1 hit takes 1 clock cycle while 1 miss takes 6 clock cycles

Assuming that:

[tex]So, p + (100 - p)*6 = 200\\ \\p+600-6p = 200\\\\-5p + 600 = 200\\\\5p = 600 -200\\\\p = \frac{400}{5} \\\\p= 80[/tex]

Hence, option B. 80% will result in an effective access time of 2 clock cycles.

Answer:

#include <iostream>

using namespace std;

int main()

{

int count;

double oil=10.88;

int FIRST_YEAR=2009,LAST_YEAR=2014;

count = FIRST_YEAR;

do

{

cout << count << ": " << oil << endl;

oil *= 1.20;

count++;

} while ( count <= LAST_YEAR );

return 0;

}

Explanation: