Create Outline is a tool used to quickly organize the structure of a document or presentation. It is a way of organizing information by breaking it down into smaller sections and subsections.
What is the document ?A document is a written, drawn, presented, or memorialized representation of thought. It may be a written or printed page, a digital file, or a three-dimensional object. Documents can be used for a variety of purposes, such as conveying information, recording events, and expressing ideas. Documents may be used in legal proceedings, business transactions, educational contexts, and more. Documents are often created and stored in a variety of formats, such as paper, digital files, or drawings. Each document has its own purpose and context and must be created, stored, and used with care.
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4. Given the following raltional schema:
Driver (Name, LicenceNumber, Address)
CAR (Licence Plate, Type, Manufacturer)
OWNER (Licence Plate, LicenceNumber, Date_of_purchase)
Write a relational algebra expression which gives all the drivers living in Debrecen and have a
carl
(4 points)
How do I do this?
It accepts instances of relations as input and returns instances of relations as output. Relational algebra is a procedural query language. To run queries, it makes use of operators.
What are the five fundamental operators in relational algebra? Give some examples?Relational algebra has five fundamental operations: Set Difference, Union, Cartesian Product, and Selection. Most required data retrieval activities are carried out by them.
Describe algebraic expression and provide two instances?An expression that uses pronumerals, parentheses, operation signs, and numbers yet converts to a number when the pronumerals are replaced by numbers is an algebraic expression. For instance, an expression is 2x + 5, but +) is not. 5(x2 + 3x) = 5(22 + 3 2) = 30 and 3x + 1 = 3 2 + 1 = 7 respectively.
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Which of the code segments will always correctly assign the maximum element of the array to the variable max ? Select one: a. I only b. II only c. III only
The most significant value in arr is negative. This is due to the code setting the maxVal to zero. Because the check is for > maxVal, which is zero if all integers in the array are zero, it will never set maxVal for a negative number.
What do you name code segments?The name "segment" is derived from the memory segment, a prior technique of memory management that was superseded by paging. When a programme is stored in an object file, the code segment is included in that file; when the loader loads the programme into memory so that it can be executed, various memory regions (in particular, as pages) are allocated, corresponding to both the segments in the object files and segments only needed at run time. For example, the code segment of an object file is loaded into memory and mapped to a corresponding code segment.
Because the code segment in memory is normally read-only and has a set size, it may usually be put in read-only memory (ROM) on embedded systems The requirement for loading. If the code section is not read-only, the design allows for self-modifying code.
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which of the following is not a malware? which of the following is not a malware? () virus () ransomware () phishing () worm
Virus , ransomware , phishing , worm all of the options are the types of malware.
Malware:Software that installs itself on a computer without the user's permission and carries out malicious activities, such as stealing passwords or money, is known as malware.
Scan the computer for malicious files or programs to find malware. Malware is any software that is designed to disrupt a computer, server, client, or computer network, leak private information, gain unauthorized access to information or systems, deprive access to information, or unknowingly interfere with the user's computer security and privacy. There are many ways to find malware.
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A key that contains more than one attribute is called a(n):A) composite key.B) complex key.C) multi-key.D) n-key.E) candidate key.
A key that contains more than one attribute is called a composite key.
A composite key is a type of key in a database management system (DBMS) that is composed of two or more attributes that together uniquely identify a record in a table. The composite key serves as a primary key and acts as a unique identifier for each record in the table.
In other words, a composite key is a combination of multiple attributes, where each attribute is a field in the table, and the combination of these fields makes the composite key unique for each record. This key is used to establish relationships between tables in a database.
For example, in a table that stores information about students in a school, a composite key could consist of the student's first name, last name, and date of birth. No two students can have the same combination of these attributes, so the composite key can be used to identify each student uniquely.
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True/Falsea database is a critical component of information systems because any type of analysis that is done is based on data available in the database.
True. A database is a planned grouping of material that has been arranged and is often kept electronically in a computer system. A database management system often oversees a database (DBMS).
The term "database system," which is frequently abbreviated to "database," refers to the combination of the data, the DBMS, and the applications that are connected to it.
To facilitate processing and data querying, the most popular types of databases currently in use typically model their data as rows and columns in a set of tables.
The data may then be handled, updated, regulated, and structured with ease. For writing and querying data, most databases employ structured query language (SQL).
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Attackers often target data and intangible assets. Identify what hackers may do with the information they collect. (Select two.)A) Damage or disable a firewallB) Sell the data to the competitionC) Stage an on-path attackD) Hijack DNSE) Harm a company's reputation
The two options that represent what hackers may do with the information they collect are:
What do hackers do with the information ?Sell the data to the opposition: Attackers may gather confidential or sensitive information, including trade secrets, customer information, and financial data, and sell it to the opposition in order to profit financially.Damage a firm's reputation: Attackers may divulge or alter sensitive information, such as customer information or private messages, in order to embarrass a company, damage its reputation, or sour ties with clients and business partners.To know more about hackers , check out :
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What should you do when entering an angle parking space a perpendicular parking space?
When entering an angle parking space, and a perpendicular parking space you should:
approach the space at a moderate speed and signal your intention to park. Look over your shoulder to check for any pedestrians, bicyclists, or other vehicles in the area. As you near the space, turn your wheel to the right or left, depending on the direction of the angle, and guide your vehicle into the space, straightening your wheels as you come to a stop.
For a perpendicular parking space, you should approach the space slowly and signal your intention to park. Check for any pedestrians, bicyclists, or other vehicles in the area. As you near the space, align your vehicle with the space, making sure to keep enough room between your vehicle and any other parked cars. Once you are properly aligned, reverse your vehicle into the space, using your side mirrors and rearview mirror to guide you. Make any necessary adjustments to your position, then put the vehicle in "park" and set the parking brake.
In both cases, make sure to park within the marked lines of the parking space and comply with any local parking regulations.
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What are the validation methods for software?
The validation methods for software are: b, testing, modelling and simulation, demonstration, prototyping, User Acceptance Testing.
what are the validation methods for software?Validation methods are techniques used to ensure that a software system meets its intended requirements and is fit for its intended purpose. The main validation methods used in software development include:
Inspection: A systematic examination of the software artefacts, such as requirements, design, and code, to identify defects and ensure quality.Testing: The process of executing a software system with the intent of finding defects. Testing can be done at different levels, such as unit testing, integration testing, system testing, and acceptance testing.Modelling and simulation: The use of mathematical models and computer simulations to analyse and validate the behaviour of a software system.Demonstration: The process of showing the software system to stakeholders and getting their feedback to determine if it meets their needs and expectations.Prototyping: The process of building a working model of a software system to test its functionality and usability.User Acceptance Testing (UAT): The process of testing the software system by end-users to ensure that it meets their requirements and is ready for release.These validation methods are not mutually exclusive, and a software development project may use a combination of methods to validate the software system. The choice of validation method depends on the specific requirements of the software system, the project constraints, and the preferences of the stakeholders.
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You can use the StreamWriter class's ____________ method to write a line of text to a file.
Select one:
a. PrintLine
b. WriteText
c. PrintText
d. WriteLine
Use the Write Line function to add a line break after the supplied value is written to a text file. From the present position, the value is written. The supplied value replaces the existing data if the point does not correspond to the file's end. Thus, option D is correct.
What is the WriteLine method to write a line of text to a file?A line is a text file's organizational unit in computing. A line is made up of a group of zero or more characters that are typically shown in a single horizontal line.
The WriteLine() method outputs the result and appends a new line character to the end of the string, creating a new line for the next output.
The writelines() method saves a list's entries as lines in a file. Depending on the file mode and stream position, the texts will be put at that location.
Therefore, You can use the StreamWriter class's Write Line method to write a line of text to a file.
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You manage a Windows Server 2012 R2 system that functions as your company's domain controller. You need to use command-line tools to generate a list of all users in the domain and then view the value of the Office property of each user. Which command should you use? A.) csvde -f C:\users.csv B.)ldifde -r "(ObjectClass=user)" -f c: \users.ldif C.) dsquery user -name * | dsget user -display -office D.) dsget user -display -office
dsquery user -name * | dsget user -display -office command is used.
How to use Dsquery to Get User Display Name?
In an Active Directory, a user's display name is often a combination of their first and last name, although it can also be any string. "John Paul," as an example. A displayname attribute exists for Active Directory users. To obtain the user display name, use the dsquery command. Using the dsquery user command or the broader dsquery * command, we may obtain the user display name.
The user displayname in the active directory can be accessed using the general query command, dsquery *.
Input: dsquery * -filter "samaccountname=admin" -attr displayname
Using the filter parameter's search criteria, we used dsquery * in the command above to obtain the user displayname.
When samaccountname = admin and display using attribute displayname are used, it obtains the user displayname for the corresponding user.
the results of the dsquery operation used to retrieve the user displayname in the command above. The terminal displays John Paul as the active directory user display name.
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A customer is in a store to purchase 3 items. Write a program which asks for the price of each item, uses 5.5% for sales tax, then displays:
1. the subtotal of the sale
2. the total amount of tax to be collected
3. the total amount the customer must pay
A succession of instructions written in a programming language for a computer to interpret is referred to as a computer program.
How is the program utilised?
The program gives the computer the expertise to carry out a specific task. A computer can function with the operating system without application software (apps), but it cannot carry out any particular task. For instance, you need to install Microsoft Word on your computer in order to generate a Word document.
Create a program that requests the price of each item, adds 5.5% sales tax, and shows the information below.
MARKETING TAX =.055
item1 is comparable to a float (input("Enter the price for item 1 in dollars"))
item2 = float('Enter the price for item 2 $', input)
item3 is equal to float(input("Enter the price for item 3 $"))
Float (item1 + item2 + item3) = subtotal
sales tax total = subtotal* SALES TAX
total is the aggregate of the subtotal and the sales tax.
Total = $ ('Total = $', format(total, ',.2f'), sep=", end=") ('nn')
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what is a computer
Answer:
A computer is a device that accepts information (in the form of digitalized data) and manipulates it for some result based on a program, software, or sequence of instructions on how the data is to be processed.
Explanation:
Its principal characteristics are: It responds to a specific set of instructions in a well-defined manner. It can execute a prerecorded list of instructions (a program). It can quickly store and retrieve large amounts of data.
fill in the blankwhen you use the keyboard arrow keys, pgup, or pgdn keys to scroll to a different position in the document, the ____ automatically moves when you press the desired keys.
b. insertion point. that point in a node or text where it is introduced. Text insertion is shown by a flashing vertical bar. The flashing vertical bar slides to the right of the text you are typing as you enter.
A text insertion point also designates the location in the text where you wish to paste copied or cut elements, as well as enter files and templates using the Text Editor. The item(s) that were copied, cut, or pasted are placed to the left of the insertion point.
The page break is added in its own line to the left of the insertion point when you use the Text Editor to add a page break. A chosen node or group serves as the insertion point for the Waveform Editor's name and value fields.
The Waveform Editor places the node you are inserting above the insertion point. The blinking line in your document that shows where text is entered when you type is known as the insertion point, or cursor. Where your mouse pointer may be seen on the I-beam.
Once you begin typing, the blinking insertion point will indicate where your next word will be.
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When you use the keyboard to scroll to a different position in the document, the ____ automatically moves when you press the desired keys.
a. alt tag
b. insertion point
c. roster
d. smart tag
________ are used to quickly create a presentation by providing predesigned styles and layouts as well as suggested content based on the type you chooseanswer choicesTemplatesGalleriesTabsGroups
Answer:
Templates is the correct answer
Which of the following dedicated expansion slots/ports on the PC motherboard enable(s) connecting an M.2 device? (Select all that apply)
B key slot
M key slot
B and M key slot
The B key and M key slots are dedicated expansion slots/ports on the PC motherboard that enable connections an M.2 device.
The B key and M key slots are dedicated expansion slots/ports on the PC motherboard. These slots are designed to enable the connection of M.2 devices, such as solid-state drives (SSDs) or other high-speed storage devices. The B key slot is designed for SATA-based M.2 devices, while the M key slot is designed for PCIe-based M.2 devices. Both slots provide higher data transfer speeds than traditional SATA hard drives, allowing for faster boot times and improved performance. In addition, M.2 devices are smaller than traditional SATA hard drives and require less power, making them a cost-effective and energy-efficient solution for upgrading the storage of a PC.
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Implement an operator* function so that one can repeat strings a given number of times. For example,
string greeting = "hi";
string result = greeting * 3;
should set result to "hihihi".
Complete the following file:
#include
using namespace std;
=====complete from here
Use the following file:
Tester.cpp
#include
#include
using namespace std;
string operator*(string s, int n);
int main()
{
string greeting = "hi";
cout << greeting * 3 << endl;
cout << "Expected: hihihi" << endl;
greeting = "bye";
cout << greeting * 2 << endl;
cout << "Expected: byebye" << endl;
return 0;
}
To implement an operator* function so that one can repeat strings a given number of times, add the following code to the given file:
#include <string>
#include <iostream>
using namespace std;
string operator*(string s, int n) {
string result;
for (int i = 0; i < n; i++) {
result += s;
}
return result;
}
Now when you run the program, it should output "hihihi" and "byebye" as expected.
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Functions can be selected by using the ________.
A) Format Function dialog box
B) Create Function dialog box
C) Insert Function dialog box
D) Add Function dialog box
The Insert Function dialog box can be used to choose a function. Functions are pre-written formulas that carry out calculations using particular values, or arguments.
What kind of formula would that be?A formula is an expression that computes values in one or more cells in a range. One formula that sums up the values in cells A2 through A4 is =A2+A2+A2+A3+A4.
How do I get Excel's function dialog box to open?Go to the Formulas ribbon and either click the Insert Function icon to display the Insert Function dialog box (the same dialog box you would see with the first method) or click the arrow next to the appropriate category in the Function Library Group to bring up the Function Library Group and then select the desired function from the list.
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most organizations do not opt for it configurations that are purely in-house, packaged, or saas models.TRUEFALSE
The given statement is False. In fact, many organizations opt for a combination of in-house, packaged, and SaaS configurations, depending on their specific needs and requirements.
What is the difference between in-house, packaged, and SaaS configurations?In-house configurations are when an organization develops and maintains its own software and IT infrastructure internally. Packaged configurations refer to pre-built software solutions purchased by an organization and installed on their own IT infrastructure. SaaS configurations are when an organization uses software hosted and maintained by a third-party provider, accessed via the internet
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Select the LastName, ProjectID, and ClientName fields for all records for the employee with the last name of Novak. Which of the following ProjectID values is not associated with Novak?
a. 1
b. 17
c. 26
d. 4
The ProjectID value that is not associated with the employee with the last name of Novak is 4.
To select the LastName, ProjectID, and ClientName fields for all records for the employee with the last name of Novak, you can use the following SQL query:
SELECT LastName, ProjectID, ClientName
FROM table_name
WHERE LastName='Novak' AND ProjectID != 4;
The project life cycle is the sequence of phases that a project goes through from its initiation to its closure. It includes four main stages: initiation, planning, execution, and closure. During the initiation phase, the project scope is defined and the project objectives are established. In the planning phase, the project plan is developed, the resources are allocated, and the timeline is set. The execution phase is when the project team carries out the project activities and works towards completing the project objectives.
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why pseudocode is so called?
Explanation:
Pseudocode is an informal way of programming description that does not require any strict programming language syntax or underlying technology considerations.
the primary mechanism by which simio displays model results, which allows for grouping, sorting, and filtering, is what
Survey research, which employs standardized questionnaires or interviews, is an organized method of learning more about individuals and their preferences, attitudes, and behaviors.
It should be noted that depending on the presented spreadsheet, the filter parameter would not just show rows 3 and 6. Using a sorting tool, the list can be organized from most favored to least favored. Despite the fact that census surveys date back to Ancient Egypt, sociologist Paul Lazarsfeld developed the survey as a formal research technique in the 1930s and 1940s to examine the influence of radio on American political opinion formation. Since that time, this strategy has been very popular for quantitative social science research. The survey approach can be used to conduct descriptive, exploratory, or explanatory research. Studies where a single subject serves as the unit of analysis benefit from using this methodology.
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Difference Between The First Generation Of Computer and Forth
Generation of Computer
1. Write a one-page review of an article about the subject of operating systems that
appeared in a recent computing magazine or academic journal. Give a summary of
the article, including the primary topic, your own summary of the information
presented, and the author's conclusion. Give your personal evaluation of the article,
including topics that made the article interesting to you (or not) and its relevance to
your own experiences. Be sure to cite your source.
(Reference: Mello, John. Microsoft Hardens Latest Windows Version against Attackers. Tech
News World, Jan 17, 2017.)
David Jones wrote an article about operating system security issues and how companies like Intel, Microosoft, Gooogle, and others are attempting to deal with them.
What exactly is an operating system?An interface between a computer user and its hardware is an operating system (OS). An operating system is software that handles input and output, handles file and memory management, handles process management, and controls peripheral devices like printers and disk drives.
What are the primary roles that the operating system plays?The management of files and folders is the primary function of an operating system (OS). The management of a computer's files falls under the purview of operating systems. File creation, opening, closing, and deletion are all included in this.
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complete the following method so that it swaps the first and last element of the given array list. do nothing if the array list is empty. Complete the following file
The following method so that it swaps the first and last element of the given array list. do nothing if the array list is empty.
What is the array ?Array is a data structure consisting of a collection of elements (values or variables), each identified by one or more array indices. It is a powerful and versatile tool for managing and manipulating data. Arrays can be used to store lists of related items, or even a single item that is repeated many times. They are used in a variety of programming languages and can be used to solve many different types of problems.
public void swapFirstLast(ArrayList<Integer> list) {
// your code here
if (!list.isEmpty()) {
int temp = list.get(0);
list.set(0, list.get(list.size() - 1));
list.set(list.size() - 1, temp);
}
}
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Select the correct answer from each drop-down menu.
Describe the role of a data scientist and the minimum educational qualification needed for the job.
Data scientists ,
Options: A. Design and implement database solutions for organizations, as well as do the maintenance
B. Analyze complex data to help organizations find patterns to their advantage
C. Research, design, and implement systems for organizations to store, retrieve, and store data
and this field requires at least a/an degree.
Options: A. Associate’s
B. Bachelor’s
C. Master’s
Please help me, I’m struggling real bad.
Answer:
C. Master's degree.
Explanation:
Describe the role of a data scientist and the minimum educational qualification needed for the job.
Data scientists: B. Analyze complex data to help organizations find patterns to their advantage.
and this field requires at least a/an: C. Master's degree.
Assume a client connects to a server via a lossy link. When an application is sending PDUs of different sizes to the server over the path, compute the expected number of bytes lost when transmitting an arbitrary PDU. A. (1pt) Assume the client does not have reliable data transfer. The link has packet loss probability of 20\%. Application sends 200-byte fixed-length PDUs at all times. Ans:200∗0.2=40
B. (1pt) Assume the client does not have reliable data transfer. The link has packet loss probability of 20\%. Application sends 200-byte PDUs at half of the times, and 400-byte PDUs at the other half. Ans: 80 C. (1pt) Assume the client does not have reliable data transfer. The link has packet loss probability of 20\%. Application sends PDUs following this distribution: 100-byte (10\%), 200-byte (30\%), 400-byte (50\%), 1000-byte (10\%). Ans: D. (2.5pts) Assume that the client transmits 1 million bytes of data to the server. The PDU goes through a 5-layer network stack with 25 bytes of overhead for each layer except the application layer. During the transmission, exactly 1 bit is corrupted during the transmission, and the corresponding packet must be entirely retransmitted to ensure reliable data transfer. How many bytes in total, including both data and overhead, need to be transmitted, if the PDU size is 100, 1000, 2000, 10000, and 200000 bytes? E. (2.5pts) What is the optimal PDU size for the above network scenario in D, i.e., requiring the fewest number of bytes to be transmitted in total? Why?
The 4 byte trailer at the data link layer, are merely overhead since we are told that our application data only takes up 700 bytes.
All the bytes sent to the physical layer that don't carry actual data are collectively referred to as overhead. The remaining 58 bytes, which are made up of the transport layer header, the network layer header, the 14 byte header at the data link layer, and the 4 byte trailer at the data link layer, are merely overhead since we are told that our application data only takes up 700 bytes. In order to calculate the overhead percentage, we divide the total number of bytes delivered to the physical layer by the overhead bytes as follows: OH % = (58 / 758) * 100 = 7.7 %. The efficiency is the proportion of application-specific bytes to all other conveyed bytes. The efficiency is therefore 66.67%.
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the code to display the search results relies on many variables. which of these variables are storing a string data type?
Category "Japanese," search query "sushi," search near "94701," state "CA," and sort by "closest." these variables are storing a string data type.
What one of these protocols does the browser utilize to fetch and load the webpage?Resources like HTML documents can be fetched using the HTTP protocol. It serves as the basis for all data communication on the Web and is a client-server protocol, meaning requests are made by the recipient, which is typically a web browser.
Which of the following can be utilized as a means of data transport between a web browser and a web server?Information can be encoded and transported using the Hypertext Transfer Protocol between a client (like a web browser) and a web server. The most common protocol used to transmit data over the Internet is HTTP.
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How can you allocate computing the same way on different platforms?
You can allocate computing the same way on different platforms by using resource governance
What is Computing?Any goal-oriented activity requiring, utilizing, or producing computing hardware is referred to as computing.
It entails the investigation and testing of algorithmic procedures as well as the creation of both hardware and software. Science, engineering, math, technology, and social elements all play a role in computing.
Resource allocation and governance is a good way to allocate computing the same way on different platforms
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50 POINTS
PYTHON PROGRAMMING I:
TURTLE GRAPHICS PROJECT
For this project you are going to create a program that draws at least 5 flowers. Each flower must have at least 5 flower petals, and can be of any shape, size or color, but each flower petal must be distinguishable from the other. See fig. 1 below. Only one of the flowers may be centered on the canvas. The rest of the flowers can be placed visibly anywhere on the canvas. See fig. 2 Each flower must use a different shape and color scheme.
Here's some sample code in Python using turtle graphics to draw 5 flowers with different shapes and color schemes:
The Python Codeimport turtle
def draw_petal(t, size, color):
for i in range(2):
t.begin_fill()
t.fillcolor(color)
t.circle(size, 60)
t.left(120)
t.circle(size, 60)
t.end_fill()
t.left(60)
def draw_flower(t, size, color):
for i in range(5):
draw_petal(t, size, color)
t.left(72)
def draw_center(t, size, color):
t.dot(size, color)
def draw_flowers():
wn = turtle.Screen()
wn.bgcolor("white")
wn.title("Flowers")
tess = turtle.Turtle()
tess.speed(0)
tess.pensize(2)
# Draw the first flower centered on the canvas
draw_center(tess, 20, "red")
draw_flower(tess, 60, "red")
# Move to a new position and draw the second flower
tess.penup()
tess.right(180)
tess.forward(200)
tess.pendown()
draw_center(tess, 20, "yellow")
draw_flower(tess, 60, "yellow")
# Move to a new position and draw the third flower
tess.penup()
tess.right(180)
tess.forward(200)
tess.pendown()
draw_center(tess, 20, "pink")
draw_flower(tess, 60, "pink")
# Move to a new position and draw the fourth flower
tess.penup()
tess.right(180)
tess.forward(200)
tess.pendown()
draw_center(tess, 20, "purple")
draw_flower(tess, 60, "purple")
# Move to a new position and draw the fifth flower
tess.penup()
tess.right(180)
tess.forward(200)
tess.pendown()
draw_center(tess, 20, "blue")
draw_flower(tess, 60, "blue")
wn.exitonclick()
draw_flowers()
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Write a C++ program to find and print the first perfect square (i*i) whose last two digits are both odd. please try to explain every step by writing comments.
This program uses a while loop to continuously increment the variable i and calculate its square i * i. The result is then checked to see if its last two digits are both odd (either 49 or 9). If the condition is met, the square is printed and the loop is broken. The program continues to incr
#include<iostream>
using namespace std;
int main() {
int i=1;
while(true) {
int square = i * i;
if (square % 100 == 49 || square % 100 == 9) {
cout<<"The first perfect square whose last two digits are both odd: "<<square<<endl;
break;
}
i++;
}
return 0;
}
What is C++ program ?C++ is a high-level, general-purpose programming language. It was developed by Bjarne Stroustrup at Bell Labs in the early 1980s. C++ is an extension of the C programming language and was designed to be an object-oriented language that is both efficient and portable. It is widely used for developing applications for desktop and mobile devices, as well as for game development and scientific simulations. C++ programs are usually written in a text editor and compiled using a compiler to produce machine-readable code that can be executed by a computer.
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