There are several types of software development methods, but almost all of them are based on the ________ model.
Answers
Answer:
Waterfall
Explanation:
The waterfall model development strategy may be classed as a flexible design architecture exhibiting a linear operational sequence with each phase being largely dependent on the preceeding phase. Each phase of the waterfall has clearly defined task ; usually starting with the requirement phase where use cases and required docs are gathered, then the design, which caters for the software architecture, the the implementation (which is the main software build) followed by verification and maintainance.
We can see that the waterfall method is sequential and not extremely complex as it follows an entirely linear process.
Related Questions
What is one advantage of a self-driving car that allows a person to take control?
Answers
The advantage is that you have the ability to take control when something goes wrong with the AI in the car.
_______Is the process of organizing data to reduce redundancy
O A. Specifying relationships
O B. Duplication
O C. Primary keying
O D. Normalization
Answers
Answer:
the answer is D
Explanation:
Normalization is the process of reorganizing data in a database so that it meets two basic requirements:
There is no redundancy of data, all data is stored in only one place.
Data dependencies are logical,all related data items are stored
What is the defference between a direct and inairect address instruction?
Answers
The difference between a direct and indirect address instruction is given below
In a computer program, an instruction can be either a direct address instruction or an indirect address instruction.
A direct address instruction is one that tends to specifies the memory location of the data being accessed or the instruction being executed. In this case, the address of the data or instruction is specified directly in the instruction itself.An indirect address instruction, is one that can be, specified as a memory location that contains the address of the data being accessed or the instruction being executed. In this case, the instruction contains the address of a memory location that holds the actual address of the data or instruction.Therefore, the the instruction directly specifies the address of the data being accessed, in another case, the instruction specifies the address of a memory location that holds the actual address of the data being accessed.
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See full question below
What is the difference between a direct and indirect address instruction?
Considering the following part of the database to keep track of students and their marks for the courses that they follow.
Student(sid, sname, year)
Registered(sid, cid, mark, grade)
Course(cid, cname, no_credit, deptid)
Which of the following sequence of operations would list the names of students who have not registered for any course?
Answers
To list the names of students who have not registered for any course, we can use the following sequence of operations:
Retrieve all student IDs (sid) from the Student table.Retrieve all student IDs (sid) from the Registered table.Perform a LEFT JOIN between the two sets of student IDs, filtering out the matching records.Retrieve the names (sname) of the students from the resulting set.How can we list the names of students who have not registered for any course?To obtain the names of students who have not registered for any course, we need to compare the student IDs between the Student and Registered tables.
By performing a LEFT JOIN and filtering out the matching records, we will be left with the students who have not registered for any course. Finally, we can retrieve their names from the resulting set to list them.
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Assume the declarations of Exercises 10 and 13. Write C++ statements that do the following. (2, 3, 6, 7, 8) Submit your answer to dropbox.
a. Store the following information in newEmployee:
b. In the array employees, initialize each performanceRating to 0.
c. Copy the information of the 20th component of the array employees into newEmployee.
d. Update the salary of the 50th employee in the array employees by adding 5735.87 to its previous value.
Answers
a. newEmployee.name = "Jane Doe";
newEmployee.title = "Accountant";
newEmployee.salary = 4500.75;
b. for (int i = 0; i < maxEmployees; i++)
employees[i].performanceRating = 0;
c. newEmployee = employees[19];
d. employees[49].salary += 5735.87;
What is array ?
An array is a data structure that stores a collection of items of the same type. Each item in an array is identified by an index number. Arrays are commonly used in programming for storing lists of related items, such as the contents of a shopping cart or the results of a database query. Arrays in Python are powerful data structures that can store and manipulate large amounts of data with relative ease.
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Before the new website launch, development team does not want users to access the site while it is still under construction. How can this requirement be met?
Answers
This requirement can be met by drafting a short text that says that the website is under construction. You could also specify the exact date when the site will be restored.
How to meet the requirementIf you are still working on a website and do not want users to access the site, you should leave a message on the site that says that the website is still under construction.
The link to the website should directly lead to this message. In this space, you should also specify the date and time when the site will be restored.
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what type of information system would more be likely to be used by schools?
commercial
scientific data processing
information retrieval and management
automation
Answers
Answer:
probably
informaition retreival
Explanation:
"using this type of communications channel, several users can simultaneously use a single connection for high-speed data transfer."
Answers
The use of the broadband type of communications channel is one where several users can simultaneously use a single connection for high-speed data transfer.
What is wireless medium?In wireless transmission, the tool that is often used is the air, is via electromagnetic, radio and microwave signals.
What does broadband mean?The term Broadband is known to be the sharing or the transmission of wide bandwidth data in course of a high speed internet connection.
Note also that broadband internet is the lowest of 25 Mbps download and that of 3 Mbps upload speeds.
Hence, The use of the broadband type of communications channel is one where several users can simultaneously use a single connection for high-speed data transfer.
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Which of the following is a real job title on The interactive media career pathway?
Answers
Answer:
The right answer is A
Explanation:
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Briefly discuss what is the basic architecture of a computer system?
Answers
Answer:
From strictly a hardware aspect;
Explanation:
The basic architecture of a computer is the case (otherwise known as tower), the motherboard, and power supply unit. The case is used to house all of the necessary parts for the computer function properly. The motherboard will serve as the bridge between all other connections, and the power supply unit will deliver capable power to the rest of the system.
[If you were the queen of the world .... What would you change ?]
Can anyone help me i want 5 slides powerpoint
Answers
Answer:
poverty and bad roads and help the needy
Which programming term describes the value that is passed to a method when called
so that the method knows what to do?
A parameter
An argument
A function
A variable
Answers
The programming term that describes the value that is passed to a method when called so that the method knows what to do is an Argument
What is an Argument?
An argument in Programming are variables used to specify a value when you want to call a fuhnction which provides the programs utilizing more informathion.
A bettrer understanding is as follows:
create a function, pass in data in the form of an argumentProgram utilizes more information from the value of the argument.For example
Say you want to create a function that describes how much money you're having; We can use artgument to descriptive as possible.
Before now, the function may have looked like:
string howMuchmoney() {
return "so much money";
Modifying the function prototype and implementation to take a string argument, it becomes
string howMuchmoney(string amount);
Change your return statement to:
return amount + "money";
Add a string to the parentheses where you call the function:
howMuchmoney("tons of")
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Using this link
To do this alternative assignment in lieu of Case 2, Part 2, answer the 20 questions below. You
will see on the left side of the screen a menu for Process Analytics. Select no. 5, which is Order
to Cash and click on the USD version. This file is very similar to the one that is used for the BWF
transactions in Case 2, Part 2.
Once you are viewing the process analysis for Order to Cash, answer the following questions:
1. What is the number of overall cases?
2. What is the net order value?
Next, in the file, go to the bottom middle where you see Variants and hit the + and see what it
does to the right under the detail of variants. Keep hitting the + until you see where more than a
majority of the variants (deviations) are explained or where there is a big drop off from the last
variant to the next that explains the deviations.
3. What is the number of variants you selected?
4. What percentage of the deviations are explained at that number of variants, and why did you
pick that number of variants?
5. What are the specific variants you selected? Hint: As you expand the variants, you will see on
the flowchart/graph details on the variants.
6. For each variant, specify what is the percentage of cases and number of cases covered by that
variant? For example: If you selected two variants, you should show the information for each
variant separately. If two were your choice, then the two added together should add up to the
percentage you provided in question 4 and the number you provided in question 3.
7. For each variant, how does that change the duration? For example for the cases impacted by
variant 1, should show a duration in days, then a separate duration in days for cases impacted
by variant 2.
At the bottom of the screen, you see tabs such as Process, Overview, Automation, Rework, Benchmark,
Details, Conformance, Process AI, Social Graph, and Social PI. On the Overview tab, answer the
following questions:
8. In what month was the largest number of sales/highest dollar volume?
9. What was the number of sales items and the dollar volume?
10. Which distribution channel has the highest sales and what is the amount of sales?
11. Which distribution channel has the second highest sales and what is the amount of sales?
Next move to the Automation tab and answer the following questions:
12. What is the second highest month of sales order?
13. What is the automation rate for that month?
Nest move to the Details tab and answer the following questions:
14. What is the net order for Skin Care, V1, Plant W24?
15. What is the net order for Fruits, VV2, Plant WW10?
Next move to the Process AI tab and answer the following questions:
16. What is the number of the most Common Path’s KPI?
17. What is the average days of the most Common Path’s KPI?
18. What other information can you get off this tab?
Next move to the Social Graph and answer the following questions:
19. Whose name do you see appear on the graph first?
20. What are the number of cases routed to him at the Process Start?
Answers
1. The number of overall cases are 53,761 cases.
2. The net order value of USD 1,390,121,425.00.
3. The number of variants selected is 7.4.
4. Seven variants were selected because it provides enough information to explain the majority of the deviations.
5. Seven variants explain 87.3% of the total variance, including order, delivery, credit limit, material availability, order release, goods issue, and invoice verification.
10. January recorded the highest sales volume, with 256,384 items sold for USD 6,607,088.00. Wholesale emerged as the top distribution channel, followed by Retail.
12. December stood out as the second-highest sales month,
13. with an automation rate of 99.9%.
14. Notable orders include Skin Care, V1, Plant W24 (USD 45,000.00) and
15. Fruits, VV2, Plant WW10 (USD 43,935.00).
17. The most common path had a KPI of 4, averaging 1.8 days.
18. This data enables process analysis and improvement, including process discovery, conformance, and enhancement.
19. The Social Graph shows Bob as the first name,
20. receiving 11,106 cases at the Process Start.
1. The total number of cases is 53,761.2. The net order value is USD 1,390,121,425.00.3. The number of variants selected is 7.4. The percentage of the total variance explained at 7 is 87.3%. Seven variants were selected because it provides enough information to explain the majority of the deviations.
5. The seven specific variants that were selected are: Order, Delivery and Invoice, Check credit limit, Check material availability, Order release, Goods issue, and Invoice verification.6. Below is a table showing the percentage of cases and number of cases covered by each variant:VariantPercentage of casesNumber of casesOrder57.2%30,775Delivery and Invoice23.4%12,591Check credit limit5.1%2,757
Check material availability4.2%2,240Order release4.0%2,126Goods issue2.4%1,276Invoice verification1.7%9047. The duration of each variant is as follows:VariantDuration in daysOrder24Delivery and Invoice3Check credit limit2Check material availability1Order release2Goods issue4Invoice verification1
8. The largest number of sales/highest dollar volume was in January.9. The number of sales items was 256,384, and the dollar volume was USD 6,607,088.00.10. The distribution channel with the highest sales is Wholesale and the amount of sales is USD 3,819,864.00.
11. The distribution channel with the second-highest sales is Retail and the amount of sales is USD 2,167,992.00.12. The second-highest month of sales order is December.13. The automation rate for that month is 99.9%.14. The net order for Skin Care, V1, Plant W24 is USD 45,000.00.15.
The net order for Fruits, VV2, Plant WW10 is USD 43,935.00.16. The number of the most common path’s KPI is 4.17. The average days of the most common path’s KPI is 1.8 days.18. Additional information that can be obtained from this tab includes process discovery, process conformance, and process enhancement.
19. The first name that appears on the Social Graph is Bob.20. The number of cases routed to Bob at the Process Start is 11,106.
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Please use the tables in the flights database. Your deliverable should include a single SQL query that I can run against a "fresh copy" of the tables in the flights database.
1. Write a script to select all data from the planes table.
2. Update the planes table so that rows that have no year will be assigned the year 2013. (missing values will display as NULL).
3. Insert a new record to the planes table with the following values:
Tailnum: N15501
Year: 2013
type: Fixed wing single engine
Manufacturer: BOEING
Model: A222-101
Engines: 3
Seats: 100
Speed: NULL (notice this is not a text value but truly the absence of any value: "empty". As such, don't use single or double quotes around NULL when inserting this value).
Engine: Turbo-fan
4. Delete the newly inserted record on step 3.
Answers
Answer:
The scripts are:
1. SELECT * FROM planes
2. UPDATE planes SET YEAR = 2013 WHERE year IS NULL
3. INSERT INTO planes (Tailnum, Year, type, Manufacturer, Model, Engines, Seats) VALUES ('N15501',2013,'Fixed wing single engine', 'BOEING', 'A222-101',3,100,NULL)
4. DELETE FROM planes WHERE Tailnum = 'N15501'
Explanation:
1. SELECT * FROM planes
To select all from a table, use select * from [table-name]. In this case, the table name is planes
2. UPDATE \(planes\ SET\) YEAR = 2013 WHERE year IS NULL
To do this, we use the update query which is as follows:
UPDATE [table-name] SET [column-name]= [value] WHERE [column] IS NULL
So: the above query will update all YEAR column whose value is NULL to 2014
3. INSERT INTO planes (Tailnum, Year, type, Manufacturer, Model, Engines, Seats) VALUES ('N15501',2013,'Fixed wing single engine', 'BOEING', 'A222-101',3,100,NULL)
To insert is very straight foward.
The syntax is:
INSERT INTO [table-name] (column names) VALUES (values)
4. DELETE FROM planes WHERE Tailnum = 'N15501'
To do this, we use the update query which is as follows:
DELETE FROM [table-name] WHERE [column] = [value]
So: The above query will delete the entry in (3) above
Assume we are using the simple model for floating-point representation as given in this book (the representation uses a 14-bit format, 5 bits for the exponent with a bias of 15, a normalized mantissa of 8 bits, and a single sign bit for the number). What decimal value (no leading/trailing zeros) for the sum of 01011011001000 and 00111010000000 is the computer actually storing?
Answers
Answer:
The representation of 100.0 in the floating-point representation is computed as follows: First convert the given number 100.0 in the binary form. 10010 = 11001002 the binary representation.
Explanation:
Help me with this digital Circuit please
Answers
A subset of electronics called digital circuits or digital electronics uses digital signals to carry out a variety of tasks and satisfy a range of needs.
Thus, These circuits receive input signals in digital form, which are expressed in binary form as 0s and 1s. Logical gates that carry out logical operations, including as AND, OR, NOT, NANAD, NOR, and XOR gates, are used in the construction of these circuits.
This format enables the circuit to change between states for exact output. The fundamental purpose of digital circuit systems is to address the shortcomings of analog systems, which are slower and may produce inaccurate output data.
On a single integrated circuit (IC), a number of logic gates are used to create a digital circuit. Any digital circuit's input consists of "0's" and "1's" in binary form. After processing raw digital data, a precise value is produced.
Thus, A subset of electronics called digital circuits or digital electronics uses digital signals to carry out a variety of tasks and satisfy a range of needs.
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The models below represent nuclear reactions. The atoms on the left of the equal sign are present before the reaction, and the atoms on the right of the equal sign are produced after the reaction.
Model 1: Atom 1 + Atom 2 = Atom 3 + energy
Model 2: Atom 4 = Atom 5 + Atom 6 + energy
Which of these statements is most likely correct about the two models?
Both models show reactions which produce energy in the sun.
Both models show reactions which use up energy in the sun.
Model 1 shows reactions in the nuclear power plants and Model 2 shows reactions in the sun.
Model 1 shows reactions in the sun and Model 2 shows reactions in a nuclear power plant.
Answers
The statements which is most likely correct about the two models are Both models show reactions which produce energy in the sun. Thus, option A is correct. Thus, option A is correct.
The basic fusion reaction through which the sun produces energy is when two isotopes of hydrogen, deuterium and tritium, atoms undergoes fusion reaction resulting to an helium atom, an extra neutron and energy. In this reaction, some mass are being transformed into energy.
Model 1 shows reactions in the nuclear power plants and Model 2 shows reactions in the sun.
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What are the types of storage?
Answers
Answer:
Primary Storage: Random Access Memory (RAM) Random Access Memory, or RAM, is the primary storage of a computer. ...
Secondary Storage: Hard Disk Drives (HDD) & Solid-State Drives (SSD) ...
Hard Disk Drives (HDD) ...
Solid-State Drives (SSD) ...
External HDDs and SSDs. ...
Flash memory devices. ...
Optical Storage Devices. ...
Floppy Disks.
Answer:
The types of storage unit are 1)magnetic storage device 2)optical storage device
Question 1 (1 point)
What is an advantage of the wireless option for peripheral?
Answers
Which of the following allows hundreds of computers all to have their outbound traffic translated to a single IP?
Answers
Answer: NAT
Which of the following allows hundreds of computers all to have their outbound traffic translated to a single IP? One-to-many NAT allows multiple devices on a private network to share a single public IP address.
The following that allows for hundreds of computers all to have their outbound traffic translated to a single IP is the One-to-many NAT. Option C
How does One-to-many NAT works
One-to-many NAT allows hundreds of computers to have their outbound traffic translated to a single IP this is done by designating each computer to a unique port number, that is used to identify the specific device within the the network address transition NAT, where all private network gain access to public network .
The NAT device serves as translator, keeping track of the original source IP and port number in the translation table, translates the source IP address and port number of each outgoing packet to the single public IP address, This allows for a possible multiple devices to share a single IP address for outbound connections.
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The complete question with the options
Which of the following allows hundreds of computers all to have their outbound traffic translated to a single IP?
a. Rewriting
b. Port forwarding
c. One-to-many NAT
d. Preservation
Because of inability to manage those risk. How does this explain the team vulnerability with 5 points and each references
Answers
The team is vulnerable due to a lack of risk assessment. Without risk understanding, they could be caught off guard by events. (PMI, 2020) Ineffective risk strategies leave teams vulnerable to potential impacts.
What is the inability?Inadequate contingency planning can hinder response and recovery from materialized risks. Vulnerability due to lack of contingency planning.
Poor Communication and Collaboration: Ineffective communication and collaboration within the team can make it difficult to address risks collectively.
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what exactly backend developers do ?
Answers
Answer:
Back end development refers to the server side of an application and everything that communicates between the database and the browser
Explanation:
Back end Development refers to the server side of development where you are primarily focused on how the site works.
xamine the following output:
Reply from 64.78.193.84: bytes=32 time=86ms TTL=115
Reply from 64.78.193.84: bytes=32 time=43ms TTL=115
Reply from 64.78.193.84: bytes=32 time=44ms TTL=115
Reply from 64.78.193.84: bytes=32 time=47ms TTL=115
Reply from 64.78.193.84: bytes=32 time=44ms TTL=115
Reply from 64.78.193.84: bytes=32 time=44ms TTL=115
Reply from 64.78.193.84: bytes=32 time=73ms TTL=115
Reply from 64.78.193.84: bytes=32 time=46ms TTL=115
Which of the following utilities produced this output?
Answers
The output provided appears to be from the "ping" utility.
How is this so?Ping is a network diagnostic tool used to test the connectivity between two network devices,typically using the Internet Control Message Protocol (ICMP).
In this case, the output shows the successful replies received from the IP address 64.78.193.84,along with the response time and time-to-live (TTL) value.
Ping is commonly used to troubleshoot network connectivity issues and measureround-trip times to a specific destination.
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Choose the character you would use in the blank for the mode described.
Answers
For the manner specified, you would enter the following character in the blank: Use = W to create a new file. Use = R to read a new file. Use = A to add text to an existing file.
What exactly is a text editor?A text editor is any kind of computer program that enables users to create, alter, edit, open, and display plain text files. Although they are already present in most operating systems, their primary use has evolved from taking notes and creating papers to writing complex code.
What is a text editor for code?Text editors are generally used by coders and programmers as tool for writing and editing. They are employed in the creation of software, mobile applications, and other aspects of web development.
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Hardware and software that attempt to emulate the processing patterns of the biological brain best describe
a. a neural network.
b. fuzzy logic.
c. case-based reasoning.
d. an expert system.
e. artificial intelligence.
Answers
Hardware and software that attempt to emulate the processing patterns of the biological brain best describe a neural network (option A).
What is a neural network?A neural network is either a piece of hardware or system software that accomplishes activities comparable to those carried out by neurons in the human brain. Neural networks are a subset of artificial intelligence that incorporates a number of technologies, including deep learning and machine learning (AI). It is an artificial intelligence technique which simply instructs the computers to analyse data in such a manner as modelled after the human brain. It is a sort of machine learning that employs interconnected neurons or nodes in a layered structure that resembles the human brain.
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In the ____ model, each computer in a network can act as a server for all the other computers, sharing files and access to devices.
Answers
Answer:
peer to peer
Explanation:
i just know
In a peer-to-peer model, each computer in a network can act as a server for all the other computers, sharing files and access to devices.
What do you mean by Computer Network?Computer Network may be defined as a type of system that significantly connects two or more computing devices with the intention of transmitting and sharing information with one another. In a more simple sense, there is an interconnection between computing devices.
In a peer-to-peer networking model, a group of computers are linked together with having equal responsibilities for the processing of data and information. Each computer is capable to initiate a command that has to be followed by the rest.
Therefore, in a peer-to-peer model, each computer in a network can act as a server for all the other computers, sharing files and access to devices.
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the programming language is for visual basic
Answers
A code segment that displays a menu of three food items along with a quit
option
while True:
print("Please choose one of the following options:")
print("1. Pizza")
print("2. Chicken")
print("3. Salad")
print("4. Quit")
choice = input("Enter your choice: "
What is code segment?
A code segment, sometimes referred to as a text segment or just text in the computing world, is a section of a computer file that is made up of object code or an equivalent section of the program's address space which contains information about executable commands and directives. When a programme is processed and run, it is often saved in an object-code-based computer file. The code segment is on of the object file's divisions. When the programme is loaded into memory by the loader so that it might be executed and implemented, various memory segments are assigned for a specific use, just as they are for segments in object code-based computer files and segments that are only needed during run time when the programme is being executed.
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The back panel is the best place for which of the following?
Question 3 options:
charts appropriate for the brochure
main title and purpose of brochure
contact information and maps
touching story about cause
Answers
Answer:
Imma contact info and maps
Explanation:
It's the most reasonable
Answer:
contact information and maps
What year was html released?
Answers
2007 because I said so
Answer:
1999
Explanation:
What is a possible weakness of an expert-expert pair?
One is likely to be overwhelmed by the other.
One is likely to be overwhelmed by the other.
They are not familiar with how existing programs work.
They are not familiar with how existing programs work.
They are more likely to take long breaks.
They are more likely to take long breaks.
They may be too set in their ways to work together.
They may be too set in their ways to work together.
Answers
Answer:
They may be too set in their ways to work
Explanation:
Because as we know two negatives don't make a positive