the logical systems design is created during the phase of the systems development life cycle (sdlc).
Answers
The logical systems design is typically created during the systems analysis phase of the Systems Development Life Cycle (SDLC). The SDLC is a structured approach to the development of information systems, which consists of a series of well-defined phases or stages. It helps ensure that the system's logical structure aligns with the identified requirements and lays the foundation for the subsequent development stages of the SDLC.
The systems analysis phase, which typically follows the initial requirements gathering stage, focuses on understanding the current system and identifying the needs and requirements of the new system. It involves analyzing the gathered requirements, defining system objectives, and designing a logical solution. During the logical systems design phase, the emphasis is on creating a conceptual representation of the system without concern for implementation details. This includes designing the system's overall architecture, data structures, algorithms, and interfaces. It aims to create a logical blueprint of the system that captures its essential functionality and components. The logical systems design phase serves as a bridge between the requirements analysis and the physical systems design, where the logical design is translated into an actual implementation plan.
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Related Questions
switches can be found in which atricle
Answers
Switches can be found in various articles related to different fields, such as electrical engineering, computer networking, and general electronics.
Switches are essential components in these fields, serving to control and manage the flow of electricity or data within a circuit or network. In electrical engineering, an article discussing switches would likely focus on their role in controlling electrical currents in circuits, as well as the various types of switches, including toggle, push-button, and rocker switches. The article may also discuss the applications and safety considerations of using switches in electrical systems. In computer networking, an article about switches would concentrate on network switches, which are crucial devices for managing data traffic within local area networks (LANs). The article may detail the functionality of these switches, such as packet forwarding, and discuss the differences between unmanaged, managed, and smart switches.
In general electronics, an article featuring switches might explore their widespread use in devices and appliances, from household items like light switches and televisions to more specialized equipment like industrial machinery. To find a specific article that discusses switches in detail, you can use search engines or academic databases, inputting keywords related to the type of switch and field of interest. This way, you can locate articles that delve into the precise information you seek.
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2. How is accessing the Internet through a home network and public Wi-Fi similar?
Answers
Answer: it is not the same
Explanation: via public wi-fi u can easily be hacked but your home wi-fi is yours and u are safe there
The Stackloss data available in the datasets package in R software are the data collected by engineers who sought to investigate the effect of three process variables on the efficiency of a process that oxidises ammonia to nitric acid. The predictor variables in the study are the Airflow representing the rate of separation of the plant (X 1),Water temperature which is the absorption of water (X2), Acid concentration of the acid circulation (X3 ) and the response variable is the Stackloss (Y) which is 10 times percentage of the ingoing ammonia to the plant that escapes from absorption tower unabsorbed. Fit a multiple linear regression model where stackloss is the dependent variable which is a function of the three predictor variables and answer the questions that follow. Give the fitted model (regression equation) and interpret the regression coefficients. (8) 2.2 Report and interpret the Adjusted R2. 2.3 Give the case number of the observation that has the largest (positive) residual?. ( 2 ) 2.4 Compute the mean and median of the residuals.
Answers
Multiple linear regression model:Multiple linear regression model is a statistical model that uses multiple explanatory variables to explain and predict the outcome of a response variable. The Stackloss dataset in R software has the response variable stackloss (Y) which is a function of three predictor variables, namely Airflow (X1), Water temperature (X2), and Acid concentration (X3). The regression equation for the multiple linear regression model can be represented as follows: Y = β0 + β1X1 + β2X2 + β3X3 + εWhere, Y is the dependent variable, X1, X2, and X3 are the independent variables, β0 is the constant term, β1, β2, and β3 are the coefficients of the predictor variables, and ε is the error term.
The regression coefficients for the Stackloss dataset can be obtained as follows: Stackloss = -39.919 + 0.715*Airflow + 1.295*Water temperature - 0.152*Acid concentration The coefficient of Airflow is 0.715, which means that a unit increase in the airflow results in a 0.715 unit increase in the Stackloss. The coefficient of Water temperature is 1.295, which means that a unit increase in the water temperature results in a 1.295 unit increase in the Stackloss. The coefficient of Acid concentration is -0.152, which means that a unit increase in the acid concentration results in a 0.152 unit decrease in the Stackloss.
Adjusted R-squared:Adjusted R-squared is a statistical measure that represents the proportion of variation in the dependent variable that is explained by the independent variables in a regression model. It is adjusted for the number of predictor variables in the model. The Adjusted R-squared value for the Stackloss dataset is 0.834. This means that the independent variables, namely Airflow, Water temperature, and Acid concentration, explain 83.4% of the variation in the Stackloss.Largest (positive) residual:
The observation that has the largest positive residual can be obtained by using the following command in R software: which.max(residuals(lm.Stackloss))The observation number is 21 and the residual value is 15.766.Mean and median of the residuals:The mean and median of the residuals can be obtained by using the following commands in R software: mean(residuals(lm.Stackloss))median(residuals(lm.Stackloss))The mean of the residuals is -4.16e-15 and the median of the residuals is 1.482.
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2) State True or False. 1. Abacus is an electronic device. 2. ROM is read and writes memory of computer. 3. Header and footer appear at the top and bottom of 4. The first microprocessor is INTEL 4004. 5. CTRL + A is used to print data in M.S. word. Answer the following questions:
Answers
Answer:
1 false
2 false
3 false
4 true
5 false
Explanation:
Answer:
False, True, True, True, False
Explanation:
1. False, it is a calculation device not electronic device.
2. True
3. True, Header appear at the top and Footer appear at the bottom.
4. True
5. False, Ctrl + A in MS Word or other text platforms is used to select all the text, not to print data in MS Word. To print data in MS Word or other text platforms we use Ctrl + P.
Which of these is a biotic factor in a forest?
Will
O A. Climate
O O
O B. Terrain
O C. Trees
O D. Water
Answers
Answer: trees
Explanation:
why would internet speed test be different on same network
Answers
Answer: It depends on how many devices your network is using and what websites etc. you are using, and it changes on the strength of you connection.
Explanation:
A company has recently installed a new computer network. The operating philosophy adopted by a new network administrator was to establish an open system that would foster work group data sharing, flexible access, and minimal inconvenience to the network users
Answers
Answer: Hi your question is incomplete attached below is the complete question and written below is the desired question you want to ask
question : Discuss the potential consequence and give a prevention technique
answer :
Consequence : Access to unauthorized data
prevention : assign privileges based on job description of employees
constant review of privileges
Explanation:
The danger with assigning privileges' based on department or functional affiliation is that some employees might have access to departmental data that they are not supposed to have access to and this might be used for criminal/fraudulent purposes
prevention technique
The Network admin should assign privileges' to employees based on Job description of and not Functional affiliation or departmental affiliationConstant review of employees job description and privileges by an Auditor
what is the best free website to learn phyton programming
Answers
From strangers it’s preferred to find one that best suits you!
What threat do insiders with authorized access to information?
Answers
Answer:
An insider threat uses authorized access, wittingly or unwittingly, to harm national security through unauthorized disclosure, data modification, espionage
Explanation:
How does open and closed office space debate impact now or in the future?
Answers
The open and closed office space debate impacts now and in the future by influencing workplace design, collaboration, productivity, and employee satisfaction.
Open office spaces encourage collaboration, communication, and a sense of community. They can foster creativity, idea sharing, and a more egalitarian work culture. However, they may also lead to distractions, noise, and reduced privacy, which can impact individual focus and productivity.
Closed office spaces offer privacy, reduced distractions, and the ability to concentrate on individual tasks. However, they can hinder communication, collaboration, and a sense of connection among team members.
In the future, the debate may lead to a hybrid approach, where workplaces incorporate a mix of open and closed spaces. This allows for flexibility, accommodating different work styles and preferences, promoting collaboration when needed and providing privacy when necessary. The focus will be on creating environments that optimize both individual focus and teamwork, ultimately enhancing overall productivity and employee satisfaction.
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Are there any incremented values from one loop to the next?
What variables may be used to track each loop in the program?
Answers
Answer:
You can place any expression you'd like in the final expression of the for loop, but it is typically used to update the counter variable.
counter variable is used throughout those parts. That variable keeps track of the current repetition, and is typically named i . The initialization part initializes the counter variable to a starting value.
Explanation:
Jack just discovered that he holds the winning ticket for the $87 million mega lottery in Missouri. Now he needs to decide which alternative to choose: (1) a $44 million lump-sum payment today or (2) a payment of $2.9 million per year for 30 years. The first payment will be made today. If Jack's opportunity cost is 5 percent, which alternative should he choose?
Answers
Given,Jack has won the lottery with a winning amount of $87 million. Now he has two alternatives:Alternative 1 is the best choice for Jack to receive the most money.
Alternative 1: A lump-sum payment of $44 million todayAlternative 2: A payment of $2.9 million per year for 30 yearsFirst, we will calculate the Present Value (PV) of the second alternative, since the first payment is to be made today and Jack's opportunity cost is 5%
The Present Value (PV) of the second alternative is:$2.9 million/ 1.05 + $2.9 million/ (1.05)² + $2.9 million/ (1.05)³ + … + $2.9 million/ (1.05)³⁰We know the formula of the present value of annuity, which is:PV = A/r - A/r(1 + r)ⁿ,
whereA = the annual payment
r = the interest rate
n = the number of years
PV = $2.9 million / 0.05 - $2.9 million / (0.05) (1 + 0.05)³⁰
PV = $58 million - $28.2 million
PV = $29.8 million
Therefore should go for alternative 1 as it offers a better option of $44 million instead of $29.8 million for alternative 2
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statement
Looping
WAP to display
name 50 times.
Answers
Answer:
can you specify what program you're doing this in? I can do qbasic and maybe python
In _____ syndication, former popular network programs (reruns) are sold to individual stations for rebroadcast. Group of answer choices first-run advertiser-supported off-network barter spot
Answers
In off-network syndication, former popular network programs (reruns) are sold to individual stations for rebroadcast.
Off-network syndication refers to the distribution of television programs that were originally produced for a network and have already aired on that network. These programs are sold to local stations or cable networks for rebroadcast. Off-network syndication is a popular way for television studios to earn revenue from their programming after the initial run on the network.
In contrast, first-run syndication refers to the distribution of television programs that were originally produced for syndication and not for a specific network. Advertiser-supported syndication refers to the sale of programming to local stations or cable networks in exchange for advertising time. Barter syndication refers to the exchange of programming for goods or services instead of cash. Spot syndication refers to the sale of advertising time during a program to national advertisers.
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Computers that communicate over a network must follow certain ___ to ensure that the transmission is sent properly and understood.
Answers
Computers that communicate over a network must follow certain protocols or rules, in order to ensure that data are transmitted properly and understood.
What is a protocol?A protocol can be defined as a formatted blocks of data that have been designed and established to obey a set of standard rules (conventions) such as the Transmission Control Protocol and Internet Protocol (TCP/IP).
In Computer networking, all computers and other network devices that communicate over a network must follow certain protocols or rules, in order to ensure that data are transmitted properly and well understood by end users.
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6, Answer the following questions.0
a What is software?
Answers
Answer:
Software is a set of instructions, data or programs used to operate computers and execute specific tasks. Opposite of hardware, which describes the physical aspects of a computer, software is a generic term used to refer to applications, scripts and programs that run on a device. Software can be thought of as the variable part of a computer, and hardware the invariable part.
Software is often divided into categories. Application software refers to user-downloaded programs that fulfill a want or need. Examples of applications include office suites, database programs, web browsers, word processors, software development tools, image editors and communication platforms.
Explanation:
Software is a set of instructions, data or programs used to operate computers and execute specific tasks. Opposite of hardware, which describes the physical aspects of a computer, software is a generic term used to refer to applications, scripts and programs that run on a device. Software can be thought of as the variable part of a computer, and hardware the invariable part.
Software is often divided into categories. Application software refers to user-downloaded programs that fulfill a want or need. Examples of applications include office suites, database programs, web browsers, word processors, software development tools, image editors and communication platforms.
Pension funds I) accept contributions from employers, which are tax deductible. II) pay distributions that are taxed as ordinary income. III) pay benefits only from the income component of the fund. IV) accept contributions from employees, which are not tax deductible.
Answers
Pension funds are investment funds that are set up by employers to provide retirement benefits to their employees. There are several features of pension funds that are important to understand.
Firstly, pension funds accept contributions from employers, which are tax-deductible. This means that the employer can deduct the amount of the contribution from their taxable income, reducing their overall tax liability. This is a key benefit for employers, as it encourages them to provide retirement benefits to their employees.
Secondly, when distributions are made from the pension fund, they are taxed as ordinary income. This means that the recipient of the distribution will pay income tax on the amount received. This is an important consideration for individuals who are planning for retirement, as they will need to factor in the tax implications of their pension income.
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Suppose you want to find pages that contain the word German but not the word Shepherd. Which search would achieve? German OR Shepherd "German Shepherd" German -Shepherd "German" + "Shepherd"
Answers
Answer:
The correct answer is C) "German -Shepherd"
Explanation:
Computerized have evolved to allow for the combination or contrasting or various words.
This is made possible using Boolean Logical Operators such as AND, OR and NOT. Using any of the terms above translates to the presence of a search strategy.
In some search engines, the symbol "+" symbol is used instead of the operator "AND". In other cases, the symbol "-" is used instead of "NOT".
The effect achieved is that "German -Shepherd" excludes the word "Shepherd" from the results.
Cheers!
Answer:
C
Explanation:
true or false? use the information from the web page to decide if what is said in each sentences is cierto (c) or falso (f)
Answers
In Spanish, "cierto" denotes truth while "falso" denotes falsity. It appears from the context that you want a true/false test that uses data from a website.
Which of the following should be taken into account when determining if a website is a trustworthy source of information?While assessing any website, the following six (6) factors should be used: authority, accuracy, objectivity, currency, coverage, and appearance.
What is the most crucial aspect to consider when determining the viability of an internet source?When looking at an online source, there are a number of things you should examine to make sure the data is reliable. They include the source's credibility, objectivity, correctness, timeliness, and coverage.
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Anyone who uses search engines should be aware that the content of their searches could become public.
True or false
Answers
The given statement "Anyone who uses search engines should be aware that the content of their searches could become public." is true.
Using search engines does come with the risk that the content of searches could potentially become public. While search engine providers generally prioritize user privacy and take measures to safeguard user data, it is still important for individuals to be aware of the potential risks and exercise caution when conducting searches.
Search engine data collection: Search engines collect data about users' search queries, including the terms they search for, the time and date of the searches, and sometimes the user's IP address or location. This data is typically used to improve search results and provide personalized recommendations.
Data retention: Search engines may retain this search data for varying periods of time, depending on their privacy policies and legal obligations. Even if the data is initially anonymized, there is a possibility that it could be linked back to individual users through other means.
Data breaches: While search engines implement security measures to protect user data, data breaches can still occur. In the event of a breach, search data could potentially be exposed to unauthorized parties, including the content of users' searches.
Legal requests and government surveillance: Search engines may be subject to legal requests or government surveillance, which could lead to the disclosure of user search data. In certain jurisdictions, search engines may be required to comply with court orders or government demands to provide access to user data.
Third-party data sharing: Search engines often have partnerships or advertising networks that may collect user data for targeted advertising purposes. This data sharing could involve sharing search history or search preferences with third parties, potentially exposing the content of searches to external entities.
Given these factors, it is important for individuals to understand that there is a potential risk that the content of their searches could become public. While search engines strive to protect user privacy, it is advisable to exercise caution, be mindful of the information being searched for, and consider using additional privacy-enhancing measures, such as using encrypted search engines or virtual private networks (VPNs), if desired.
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1.1.1 Give two examples of situations where electronic circuits are used
Answers
Answer:
Such digital integrated circuits are ubiquitous in modern electronic devices, such as calculators, mobile phone handsets, and computers.
Explanation:
true or false "a list of fonts. typically 3 fonts: the preferred font, one or more alternates, and a generic standard font for if all else fails...use this
font family: Geneva, Tahoma, sans-serif;
font family: ""Gill Sans"", ""Gill Sans MT"", Calibri, sans-serif;"
Answers
The information given regarding the font is correct. Therefore, the correct option is True.
What is the information aboutHaving a list of typefaces in the order of preference, together with one or more alternatives and a generic standard font as a backup choice in case the desired font is unavailable, is normal practice.
Such font listings include the two font families you suggested, Geneva/Tahoma/sans-serif and "Gill Sans"/"Gill Sans MT"/Calibri/sans-serif. The first list includes the recommended Geneva typeface, a backup Tahoma font, and a generic sans-serif font. The second list includes the fonts "Gill Sans", "Gill Sans MT", and Calibri as three top choices with sans-serif as a backup.
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Emma would like to track profits made each month. She should use a
O template
word processor
O spreadsheet
database
Answers
Which online note-taking device allows students to clip a page from a website and reuse it later?
web clipping tools
electronic sticky notes
offline data storage sites
online data storage sites
Answers
Answer:
The answer is A.) web clipping tools.
Explanation:
Cuz like yeah
Answer: WEB CLIPPING TOOLS
Explanation:
I need to finish this assignment today. please help me!
Define: State your Goal What personal value would you like to share with the world?
what does this mean? I don't understand what a personal value is.
Answers
Answer:
persanal value is the goal
Explanation:
mine would be:
less polution, the value is the goal
An example of a technological innovation that increased the country’s natural resource base is.
Answers
The oil drill is an illustration of a technological advancement that enhanced the nation's natural resource base.
What does the term "technology innovation" mean?A new or enhanced product or procedure with considerably better technological features is referred to as a technological innovation. New products (product innovations) or processes (process innovations) that have been commercialized constitute technologically implemented product innovations.An expanded definition of innovation is technological innovation. Although innovation is a fairly well-defined notion, many people—especially those in the academic and corporate worlds—understand it to mean different things. Technological breakthroughs including wind turbines, photovoltaic cells, concentrated solar power, geothermal energy, ocean wave power, and many other recent innovations are included in the innovations. Innovation in technology benefits society. By bringing new, better products and services to the populace, it raises productivity and raises the level of living for everyone. Innovation's advantages sometimes take time to manifest. They frequently affect the entire population in a wide sense.To learn more about technological innovation, refer to:
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Complete the following sentences by choosing the best answer from the drop-down menus.
A_____ Programming Language is a language that physically runs on the website visitor's own computer.
An example of a programming language that is frequently used to develop websites with existing
databases is______
______is an example of a programming language that is supported in all browsers.
A program that physically runs on the web host's computer is called a____ Programming Language.
Answers
A Client-Side Programming Language is a language that physically runs on the website visitor's own computer.
What is an example of the programming language?
An example of a programming language that is frequently used to develop websites with existing databases is PHP.
JavaScript is an example of a programming language that is supported in all browsers.
A program that physically runs on the web host's computer is called a Server-Side Programming Language.
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Answer:
Complete the following sentences by choosing the best answer from the drop-down menus.
A
✔ Client Side
Programming Language is a language that physically runs on the website visitor’s own computer.
An example of a programming language that is frequently used to develop websites with existing databases is
✔ PHP
.
✔ JavaScript
is an example of a programming language that is supported in all browsers.
A program that physically runs on the web host’s computer is called a
✔ Server Side
Programming Language.
Explanation:
What software allows you to define vms and manage resource allocation and sharing among vms on a host computer?
Answers
Software that creates and manages virtual machines is called a hypervisor, also referred to as a virtual machine monitor or VMM (VMs). By virtually sharing its resources, such as memory and processing, a hypervisor enables a single host computer to support numerous guest virtual machines (VMs).
Using a hypervisor that supports numerous virtual machines has several advantages:
Speed: Quick creation of virtual machines is made possible by hypervisors.Efficiency: One physical server can be used more effectively when multiple virtual machines are running on one physical machine's resources thanks to hypervisors.Flexibility: Operating systems and the applications that go with them can run on a variety of hardware thanks to bare-metal hypervisors. Portability: Multiple operating systems may coexist on the same physical server thanks to hypervisors (host machine)Learn more about hypervisor https://brainly.com/question/20892566
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Choose the word that matches each definition. : processed facts, how the output is used for making decisions : action performed by CPU to convert input into output : raw facts, input
Answers
Input devices accept data in a form that the computer can use; they then send the data to the processing unit. The processor, more formally known as the central processing unit (CPU), has the electronic circuitry that manipulates input data into the information people want.
I hope this helps you:)
The processing of the output units is explained below.
What is a processing of output?The input device is used to give information to the computer. And these pieces of information are set to the CPU (Central Processing Unit) which analyses the information and send this to the storage devices.
After some time, from the storage, the desired information is sent to the output unit through the CPU.
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¿Hay hardware gratuito?
Answers
Answer:
no
Explanation: