Yes, I'm willing to assist you in putting the FCFS (First-Come, First-Serve) scheduling method into practise. Here is a Python implementation of the algorithm.
How would you define the non-preemptive nature of the FCFS scheduling algorithm?On a first-come, first-served basis, jobs are completed. A preemptive, non-preemptive scheduling approach is used. Simple to comprehend and use. The implementation makes use of a FIFO queue.
class Process:def __init__(self, pid, arrival_time, burst_time):
self.pid = pid
self.arrival_time = arrival_time
self.burst_time = burst_time
self.start_time = None
self.completion_time = None
def fcfs(processes):
"""FCFS (First-Come, First-Serve) scheduling algorithm"""
n = len(processes)
current_time = 0
waiting_time = 0
turnaround_time = 0
response_time = 0
for i in range(n):
# Set start time of the process
if current_time < processes[i].arrival_time:
current_time = processes[i].arrival_time
processes[i].start_time = current_time
# Update waiting time, response time and current time
waiting_time += current_time - processes[i].arrival_time
response_time += current_time - processes[i].arrival_time
current_time += processes[i].burst_time
# Set completion time of the process
processes[i].completion_time = current_time
# Update turnaround time
turnaround_time += current_time - processes[i].arrival_time
# Determine the average turnaround, response, and waiting times.
avg_waiting_time = waiting_time / n
avg_response_time = response_time / n
avg_turnaround_time = turnaround_time / n
# Calculate CPU utilization
total_burst_time = sum(process.burst_time for process in processes)
cpu_utilization = total_burst_time / current_time
# Return the results
return (avg_waiting_time, avg_response_time, avg_turnaround_time, cpu_utilization)
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The first programmable electronic digital computer was developed by British codebreakers.
False
True
Answer:true
Explanation:
Colossus was the world's first electronic digital computer that was programmable. The Colossus computers were developed for British codebreakers during World War II to help in the cryptanalysis of the Lorenz cipher.
Display all tables within the PivotTable Fields List and select the Total Book Sales from the BOOKS table.
Note that the process to executing the above such as displaying PivotTable is given below.
How can one execute the above?Open Microsoft Excel and click on the "Insert" tab.Click on "PivotTable" and select "PivotTable" from the drop-down menu.In the "Create PivotTable" dialog box, select the "Use an external data source" option and click "Choose Connection".Select the data source containing the BOOKS table and click "Open".In the "Create PivotTable" dialog box, select the "New Worksheet" option and click "OK".The PivotTable Fields List will appear on the right-hand side of the screen. Under the "Tables" section, all the available tables will be displayed.Find the BOOKS table and expand it to see all the available fields.Check the box next to "Total Book Sales" to add it to the Values section of the PivotTable Fields List.Drag and drop the "Total Book Sales" field to the "Values" box to create a new PivotTable with the total book sales.Learn more about PivotTable at:
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Data processing and understanding ?explanation?
When information is gathered and transformed into usable form, data processing takes place.
What are the uses of data processing?Data processing happens when information is gathered and put into a useful manner.
Data processing, which is often performed by a data scientist or team of data scientists, must be done correctly in order to avoid having a negative effect on the finished product, or data output.
For businesses to improve their business strategy and gain a competitive edge, data processing is crucial.
Employees across the organisation can understand and use the data by turning it into readable representations like graphs, charts, and texts.
Thus, this is the data processing.
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a. True
b. False). In terms of database access, risk assessments should address those who have legitimate credentials for viewing, entering, updating, or removing data from the database and those who are restricted from accessing the database or who have limited rights
According to the statement given, regarding database access, risk assessments should take into account individuals who have legitimate credentials to view, enter, update or delete data in the database and those who are restricted from accessing the database or have limited rights, is true.
It is important to consider both authorized and unauthorized users when assessing the risks associated with database access, as both groups can potentially pose a threat to the security of the data. Authorized users may abuse their privileges or make mistakes that compromise the security of the database, while unauthorized users may attempt to gain access through hacking or other means.
Therefore, it is essential to consider both groups in a risk assessment for database access.
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According to the statement given, regarding database access, risk assessments should take into account individuals who have legitimate credentials to view, enter, update or delete data in the database and those who are restricted from accessing the database or have limited rights, is true.
It is important to consider both authorized and unauthorized users when assessing the risks associated with database access, as both groups can potentially pose a threat to the security of the data. Authorized users may abuse their privileges or make mistakes that compromise the security of the database, while unauthorized users may attempt to gain access through hacking or other means.
Therefore, it is essential to consider both groups in a risk assessment for database access.
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100 POINTS
1. Having a career in Web and Digital Communications not only requires essential hard skills but important soft skills as well. List three soft skills necessary to have a successful career in IT no matter which pathway you choose. Describe the three skills in your own words and why you think they are important skills to have for working in the Web and Digital Communications pathway.
2.Four of the key jobs in the Web and Digital Communications career pathway are Web/Graphic Designer, Web Developer, Marketing and Communications Manager, and Digital Strategist. Select one of these jobs and discuss the job responsibilities, the skills necessary to be successful at that job, and the technologies used in that job.
3.Website images are typically either raster or vector images. What are the differences between the two image types and why would you choose to use one or the other?
4. The World Wide Web (WWW) and the internet are two terms that are often used interchangeably but are really two different things. What is the difference between the two, and how are they related to each other?
5. In the early 2000s, there was a shift in how the internet was used. How was the internet used before and after the shift? What types of Web and Digital Communications jobs were created by this shift and how have they impacted society?
1. Three soft skills necessary to have a successful career in IT, no matter which pathway you choose, are:
Communication: Being able to communicate effectively, both verbally and in writing, is essential in IT. You need to be able to clearly explain technical concepts to non-technical colleagues or clients, and to collaborate effectively with other team members.
Adaptability: The IT industry is constantly evolving, and you need to be able to adapt to new technologies and processes. You also need to be able to handle change and ambiguity, and to be open to learning new things.
Problem-solving: In IT, you will encounter a lot of complex problems that require creative solutions. You need to be able to analyze the problem, identify possible solutions, and evaluate the best course of action.
2. Web Developer is a key job in the Web and Digital Communications career pathway. A Web Developer's responsibilities include creating and maintaining websites, developing web applications, and ensuring the functionality and performance of web-based systems. The skills necessary to be successful at this job include knowledge of programming languages such as HTML, CSS, JavaScript, and PHP, as well as proficiency in web development frameworks and tools such as React, Angular, and Git. A Web Developer should also have strong problem-solving and communication skills to work effectively with other team members and clients. The technologies used in this job include a wide range of web development tools and frameworks, such as Bootstrap, jQuery, and Node.js.
3. Raster images are made up of pixels, while vector images are made up of mathematical equations. The main difference between the two is that raster images are resolution-dependent, which means that they can lose quality when enlarged or shrunk, while vector images are resolution-independent, which means that they can be scaled up or down without losing quality. Raster images are best used for photographs and complex images with many color variations, while vector images are best used for simple graphics, logos, and illustrations.
4. The internet is a global network of networks, while the World Wide Web is a collection of web pages and resources that can be accessed over the internet. The internet is the infrastructure that allows information to be transmitted, while the World Wide Web is the system that allows that information to be organized and accessed through a web browser. In other words, the World Wide Web is a subset of the internet, and it relies on the internet to function.
5. In the early 2000s, there was a shift in how the internet was used from a primarily informational and static web to a more interactive and dynamic web. Before this shift, the internet was used mostly for browsing websites and accessing information, while after the shift, the internet became a platform for social interaction, e-commerce, and entertainment. This shift led to the creation of new types of Web and Digital Communications jobs such as social media managers, digital content creators, and e-commerce specialists. These jobs have impacted society by creating new forms of online engagement, opening up new avenues for marketing and advertising, and providing new ways for businesses to reach and interact with their customers.
Answer:
1. Soft skills are important in any career, and in Web and Digital Communications, three important soft skills are:
Communication: Good communication skills are essential for any job. In Web and Digital Communications, you need to be able to communicate your ideas clearly and effectively, whether it's with clients, colleagues, or other stakeholders. You may also need to write and present reports, proposals, and other documents.Collaboration: Working well with others is also important in Web and Digital Communications. You may need to work with designers, developers, marketers, and other professionals to create websites, apps, or other digital products. Being able to collaborate effectively, listen to others, and provide feedback are all important skills in this field.Adaptability: The world of Web and Digital Communications is constantly changing, and you need to be able to adapt to new technologies, trends, and tools. You should be willing to learn and try new things, and be open to feedback and constructive criticism.2. Graphic Designer is a job that involves designing and creating the visual elements of websites, apps, and other digital products. Some job responsibilities include:
Creating graphics, layouts, and other visual elements for websites and appsCollaborating with developers and other professionals to ensure that designs are functional and user-friendlyStaying up-to-date with design trends and best practicesPresenting designs to clients and stakeholdersTo be successful as a Web/Graphic Designer, you need to have skills in:
Graphic design software such as Adobe Photoshop, Illustrator, or InDesignKnowledge of HTML, CSS, and other web technologiesCreativity and an eye for designCommunication and collaboration skills3. Raster and vector images are two types of digital images. Raster images are made up of pixels, while vector images are made up of mathematical shapes and paths. The main differences between the two are:
Resolution: Raster images have a fixed resolution, which means that they can become pixelated when enlarged. Vector images, on the other hand, are resolution-independent, and can be scaled to any size without losing quality.Editing: Raster images are difficult to edit without losing quality, while vector images can be easily edited and manipulated without affecting the quality of the image.Usage: Raster images are best used for photographs or images with complex color gradients, while vector images are best used for logos, icons, and other images with simple shapes and lines.4. The internet is a global network of connected devices and networks, while the World Wide Web (WWW) is a collection of web pages and other digital resources that are accessed through the internet. The WWW is just one of many applications that run on the internet. In other words, the internet is the infrastructure that allows the WWW and other applications to exist and communicate with each other.
5. Before the early 2000s, the internet was primarily used for information sharing and email communication. After the shift, the internet became more interactive, with the rise of social media, e-commerce, and other online services. This shift led to the creation of new jobs in Web and Digital Communications, such as social media managers, content creators, and e-commerce specialists. These jobs have had a significant impact on society, as they have changed the way we communicate, shop, and access information.
For each information request below, formulate a single SQL query to produce the required information. In each case, you should display only the columns requested. Be sure that your queries do not produce duplicate records unless otherwise directed. Give date and the sum of tax and shipping for each sale from December 20th through December 25th of 2015. (use BETWEEN. Name the calculated column SUM) NOTE: Due to an anomoly within MySQL for numeric fields, sometimes calculated results have 14 decimal places and inexact amounts. To ensure your answer is correct use the ROUND function to two decimal places, i.e. ROUND(Tax+Shipping,2)
The SQL query to produce the required information is in the explanation part.
What is SQL?SQL is an abbreviation for Structured Query Language. SQL allows you to connect to and manipulate databases.
SQL was adopted as an American National Standards Institute (ANSI) standard in 1986 and as an International Organization for Standardization (ISO) standard in 1987.
Assuming the sales information is stored in a table called sales with columns sale_date, tax, and shipping, the SQL query to display the required information would be:
SELECT sale_date AS Date, ROUND(tax+shipping, 2) AS SUM
FROM sales
WHERE sale_date BETWEEN '2015-12-20' AND '2015-12-25';
Thus, this query selects the sale_date column and a calculated column named SUM.
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bittorrent is an example of a website that promotes illegal copying of movies without downloading them from their original site.
Measuring cloud data requires the use of Ceilometers. A Ceilometer is able to record cloud related data such as cloud height and Cloud ceiling.
Who wants to watch a movie?
Jake, a college freshman, wants to watch a movie that was released last month. His roommates download a free, pirated copy of the movie from a website and ask Jake to join them when watching it.
The film is short for "moving image". From their etymology, these terms seem to apply to any video but are traditionally reserved for theatrically released productions.
Therefore, Measuring cloud data requires the use of Ceilometers. A Ceilometer is able to record cloud related data such as cloud height and Cloud ceiling.
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Question # 7 Dropdown Choose the term that is described. use of the Internet to access programs and data on computers that are not owned and managed by the user often using large data centers states that processing power for computers would double every two years uses biological components like DNA to retrieve, process, and store data the anticipated next generation of technologies that are expected to drastically increase processing capabilities
The first sentence introduces the idea of cloud computing, which entails accessing resources from remote servers and data centres via the internet rather than from a user's local computer or server.
What platform is used to store and provide access to programmes over the Internet instead of the hard drive of a computer?In its simplest form, the cloud can be defined as the Internet, or more specifically, as everything that can be accessed remotely over the Internet.
What do you call the technology that stores data and applications using the Internet and centralised remote servers?A network of remote computers called "cloud computing" offers a variety of IT services, including networking, servers, databases, software, and virtual storage, among others.
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Assume the variables years_with_company and department have been assigned integer values. Write an if statement that assigns True to the apprentice variable if years_with_company is less than 5 and department is not equal to 99.
Answer:
Explanation:
Here's the Python code for the if statement you described:
if years_with_company < 5 and department != 99:
apprentice = True
This code first checks if the value of years_with_company is less than 5 using the less-than operator <. It then checks if the value of department is not equal to 99 using the not-equal-to operator !=.
If both of these conditions are true, the code assigns True to the variable apprentice using the assignment operator =. If either condition is false, the code does not assign anything to the variable apprentice.
Answer:
Here's an example of how to write an if statement that assigns True to the apprentice variable if years_with_company is less than 5 and department is not equal to 99:
if years_with_company < 5 and department != 99:
apprentice = True
Explanation:
In this code, the if statement checks two conditions using the logical operator "and". The first condition, "years_with_company < 5", checks if the value of the years_with_company variable is less than 5. The second condition, "department != 99", checks if the value of the department variable is not equal to 99.
If both conditions are true, the code inside the if block will execute. In this case, the code assigns True to the apprentice variable. If either condition is false, the code inside the if block will not execute, and the value of the apprentice variable will not be changed.
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when looking into the extended entity relationship model (eerm), which of the following statements is not valid about entity supertypes and subtypes?
"Entity supertypes and subtypes are used to define a hierarchy between entities." This statement is not valid about entity supertypes and subtypes. Entity supertypes and subtypes are used to group similar entities together, not to define a hierarchy.
What is hierarchy?Hierarchy is an organizational structure where people or groups are ranked according to authority or status. It is usually a system of power, control or order in which individuals are ranked in a chain of command. In a hierarchy, each level is subordinate to the one above it and has power to control or influence those below it. Examples of hierarchies include government and military organizations, corporations, educational systems, and religious organizations. Hierarchies provide a clear structure of roles and responsibilities, which can help organizations to operate more efficiently and effectively.
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The program reads in variables totalBudget and productCost from input. A product costs productCost to make, and a budget is given by totalBudget. Assign remainingBudget with the remaining budget after making as many products as possible. Ex. If input is 134 , the output is: Remaining budget: 1 1 #include
≫>
totalBudget; cin
≫
productCost: Yo Your code goes here * cout « "Remaining budget: " «' remainingBudget
≪
endt;
The program that reads in variables totalBudget and productCost from input is in the explanation part.
What is programming?Computer programming is the process of writing code that instructs a computer, application, or software programme on how to perform specific actions.
Based on your code, here is a possible solution:
#include <iostream>
using namespace std;
int main() {
int totalBudget, productCost, remainingBudget;
cin >> totalBudget >> productCost;
remainingBudget = totalBudget % productCost;
cout << "Remaining budget: " << remainingBudget << endl;
return 0;
}
Thus, this is the program for the given scenario.
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4. Create a Java program that asks for the names of three
runners and the time, in minutes, it took each of them to
finish a race. The program should display the names of
the runners in the order they finished.
Answer:
Explanation:
Here's a Java program that asks for the names of three runners and the time, in minutes, it took each of them to finish a race, and then displays the names of the runners in the order they finished:
import java.util.Scanner;
public class RunnerRace {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
// ask for the names of the runners and their race times
System.out.print("Enter the name of runner 1: ");
String runner1 = input.nextLine();
System.out.print("Enter the time it took runner 1 to finish (in minutes): ");
int time1 = input.nextInt();
input.nextLine();
System.out.print("Enter the name of runner 2: ");
String runner2 = input.nextLine();
System.out.print("Enter the time it took runner 2 to finish (in minutes): ");
int time2 = input.nextInt();
input.nextLine();
System.out.print("Enter the name of runner 3: ");
String runner3 = input.nextLine();
System.out.print("Enter the time it took runner 3 to finish (in minutes): ");
int time3 = input.nextInt();
input.nextLine();
// determine the order of the runners based on their race times
String firstPlace, secondPlace, thirdPlace;
int firstTime, secondTime, thirdTime;
if (time1 < time2 && time1 < time3) {
firstPlace = runner1;
firstTime = time1;
if (time2 < time3) {
secondPlace = runner2;
secondTime = time2;
thirdPlace = runner3;
thirdTime = time3;
} else {
secondPlace = runner3;
secondTime = time3;
thirdPlace = runner2;
thirdTime = time2;
}
} else if (time2 < time1 && time2 < time3) {
firstPlace = runner2;
firstTime = time2;
if (time1 < time3) {
secondPlace = runner1;
secondTime = time1;
thirdPlace = runner3;
thirdTime = time3;
} else {
secondPlace = runner3;
secondTime = time3;
thirdPlace = runner1;
thirdTime = time1;
}
} else {
firstPlace = runner3;
firstTime = time3;
if (time1 < time2) {
secondPlace = runner1;
secondTime = time1;
thirdPlace = runner2;
thirdTime = time2;
} else {
secondPlace = runner2;
secondTime = time2;
thirdPlace = runner1;
thirdTime = time1;
}
}
// display the names of the runners in the order they finished
System.out.println("First place: " + firstPlace + " (" + firstTime + " minutes)");
System.out.println("Second place: " + secondPlace + " (" + secondTime + " minutes)");
System.out.println("Third place: " + thirdPlace + " (" + thirdTime + " minutes)");
}
}
The program first asks for the names of the runners and their race times. It then determines the order of the runners based on their race times, using nested if statements to compare the race times. Finally, the program displays the names of the runners in the order they finished, along with their race times.
declare a boolean variable named matchescond. then, read integer valcount from input representing the number of integers to be read next. use a loop to read the remaining integers from input. if all valcount integers are equal to 10, assign matchescond with true. otherwise, assign matchescond with false.
Using a loop, read the remaining integers from the input. If all of the incount integers are equal to 100, set matchescond to true. substitute assign.
How may a Boolean variable be declared in C?To declare a boolean data type in C, the bool keyword must come before the variable name. bool var name: The variable name is var name, and the keyword bool designates the data type. A bool only needs one bit since we only need two different values (0 or 1).
How do you declare a Boolean variable in a program?Only true or false are allowed as values for boolean variables. The word bool is used to declare boolean variables. establishing or dispersing a true An appropriate true or false value is assigned to a Boolean variable.
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to test for any significant difference in the number of hours between breakdowns for four machines, the following data were obtained.
Number of Hours between breakdowns: Machine A: 14, 18, 10, 16; Machine B: 18, 10, 10, 16; Machine C: 12, 8, 12, 8; Machine D: 10, 16, 15, 18.
What is breakdowns?Breakdowns refer to the failure of a system or machine due to a variety of reasons. It can refer to a sudden, unexpected failure, or it can refer to a gradual decline in performance over time.
To test for a significant difference in the number of hours between breakdowns for these four machines, we would need to perform an ANOVA (Analysis of Variance) test. The ANOVA test is used to determine if there is a statistically significant difference between the means of two or more groups. In this case, we would be comparing the means of the four machines to determine if there is a statistically significant difference between the number of hours between breakdowns for the four machines.
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Consider the following code segment, which is intended to create and initialize the 2D array words where the length of each word corresponds to the product of the indices of the row and the column it resides in. string[][] words = /*missing code */; Which of the following initializer lists could replace /*missing code*/ so that the code segment works as intended? {{"", "a", "as"}, {"", "b", "be"}, {"", "d", "don"}} O {{"a", "as", "ask"}, {"b", "be", "bet"}, {"d", "do", "don"}} O ""}, {"", "b", "be"}, {"", "do", "dont"}} O {{"a", "a", "a"}, {"", "b", "be"}, {"d", "do", "dont"}} O ""}, {"", "b", "be"}, {"", "d", "do"}}
Where the above code segment is given, the initializer lists that could replace /*missing code*/ so that the code segment works as intended is:
{{"", "", ""}, {"", "a", "as",}, {"", "as", "asas"}}
What is the rationale for the above response?This will create a 2D array with 3 rows and 3 columns, where the length of each word corresponds to the product of the indices of the row and the column it resides in.
For example, the word in the first row and first column will have a length of 00 = 0, which is an empty string (""). The word in the second row and third column will have a length of 12 = 2, which is "as". And the word in the third row and second column will have a length of 2*1 = 2, which is "as".
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When using for loops to iterate through (access all elements of a 2D list), the outer
loop accesses the ______.
When using for loops to iterate through a 2D list, the outer loop accesses the rows.
What is the rationale for the above response?The outer loop iterates over each row of the 2D list, while the inner loop iterates over each element in that row.
This allows you to access and manipulate each element of the 2D list one at a time, making it easier to perform operations or calculations on the data in the list.
By iterating through the rows first, you can ensure that each element of the list is accessed in the correct order and that all data is processed or analyzed correctly.
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Answer:rows
Explanation:This should be the answer if am wrong please tell me so i can correct it
Given a 10-v power supply, would a 20-ohm resistor and a 5-ohm resistor need to be arranged in parallel or in series to generate a current of 2. 5 a? how much current would move through each resistor? in 3-4 sentences, answer each question and explain your answers.
A 2.5A current can only be produced by connections the two resistors in parallel. The 20 ohm and the 5 ohm resistors will both be carrying 2.5A as each resistor in a parallel circuit is subject to the same current flow.
A 2.5A current can only be produced by connecting the two resistors in parallel. This is because current always follows the route of least resistance, and a parallel circuit comprises two or more branches in which the same current is flowing. The 20 ohm and the 5 ohm resistors will both be carrying 2.5A as each resistor in a parallel circuit is subject to the same current flow because each resistor has a different resistance, the voltage drop across each will change. Due to the 20 ohm resistor's larger resistance the voltage drop across it will be greater than the voltage drop across the 5 ohm resistor.
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write a loop to print all elements in hourly temperature. separate elements with a -> surrounded by spaces. sample output for the given program with input: '90 92 94 95' 90 -> 92 -> 94 -> 95 note: 95 is followed by a space, then a newline. code writing challenge a
The programme serves as an example of how to employ loops or iterative statements. Repetitive tasks are carried out using loops and iterations.
Why are loops and iterations used in programming?A loop is described as a section of code that runs repeatedly. The procedure in which a code fragment is run just once is referred to as iteration. One iteration is one round of a loop. A loop may run through numerous iterations.
temperature hourly = input ().
split()
# Display elements in hourly temperatures with the "->" separator: print(temp, "->", end=" ")
# Finish the sentence by printing a newline.
Sample of the output from the input "90 92 94 95"
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PillCam, an ingestible camera from Given Imaging, is an example of which type of device?
pointing
display
human interface device
special-purpose input
Correct Answer is Human interface device
Human Interface Devices (HID) is a device class definition to replace PS/2-style connectors with a generic USB driver to support HID devices such as keyboards, mice, game controllers, and so on. Prior to HID, devices could only utilize strictly-defined protocols for mice and keyboards.
Can you say me are robots going to play an important role in our lives in future and why?
It appears that you are asking to know whether or not robots are going to play an important role in our lives in the future. The answer is yes. Robots going to play an important role in our lives in future.
What is the rationale for the above response?Advancements in robotics technology have made it possible to develop machines that are more intelligent, versatile, and adaptable to different environments.
Robots can be used to perform tasks that are dangerous, difficult, or tedious for humans, which can improve productivity and efficiency in various industries. Also, robots can provide assistance and support for people with disabilities and elderly individuals, which can enhance their quality of life.
Note that robots are currently assisting humans in various ways, such as in manufacturing, healthcare, and customer service industries, performing tasks like assembly, surgery, and data processing.
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As observed in the electromagnets lab, doubling the number of coils has this effect on the strength of the electromagnet:.
The electromagnet overcurrent gets stronger as the number of coils is doubled because a stronger magnetic field results from more coils.
The power of an electromagnet doubles with every additional coil .This is because the number of coils controls how much current flows through the electromagnet, and the stronger the magnetic field produced by the electromagnet, the more current that flows. The magnetic field's strength grows according to the number of coils, therefore doubling the coil count doubles the magnetic field's intensity. The electromagnet will be able to retain its strength for a longer period of time since adding coils lengthens the time it takes for the current to dissipate .An electromagnet's strength may be effectively increased by doubling the number of coils.
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Construct a histogram and stats for November - December 2020 and compare this to those from November - December 2021 in a markdown cell below the histogram and statistics. time1 = ... # Seconds since epoch time2 = .. # Seconds since epoch Late2020 = .. Late2020
Histograms are commonly used in data analysis to visualize the distribution of a dataset.
What is a Histogram?A histogram is a graphical representation of the distribution of a set of numerical data. It is a bar graph-like structure that displays the frequency of data values within specific intervals, which are called bins or classes.
The height of each bar represents the frequency of data values within that bin.
They allow us to quickly see the shape of the distribution, including the center, spread, and any outliers or gaps in the data.
They are especially useful for large datasets, as they can easily condense a large amount of data into a single, easy-to-understand visual representation.
P.S: Your question is incomplete as you did not provide a set of values, so a general overview about histogram is given above.
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In Access a (n) _____ query permanently removes all the records from the selected table(s) that satisfy the criteria entered in the query.- Delete
- update
- parameter
- make-table
Data in a database can be added, edited, or deleted using an action query. Using criteria that you define, an add query is used to automatically update or modify data.
What is the query that permanently removes all the records?A database could offer inaccurate information, be challenging to use, or even stop working altogether. The majority of these issues are caused by two poor design elements termed redundant data and anomalies.
As a result, poor database architecture can cause a variety of issues down the road, including subpar performance. The inability to adapt to new features, and low-quality data that can be expensive in terms of time and money as the application develops.
Therefore, In Access, an (n) Increased data errors and inconsistencies query permanently removes all the records from the selected table(s) that satisfy the criteria entered the query.
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Motherboards are used by both general-purpose and special-purpose computers.
True
False
Answer:
true
Explanation:
you work as the it administrator for a small business and are responsible for the corporate network. until now, the network has consisted only of workstations accessing the internet through a consumer-grade switch. you have convinced management that adding a server would ease your administrative burden. as a result, you are testing various configurations of the windows server 2016 operating system. corpserver currently has two volumes. you want to create a volume that is easy to move to another server. in this lab, your task is to create a volume using a vhd file that meets the following parameters: create a new vhd file using the following parameters: location: c: drive filename: myvhd size: dynamically expanding up to 100 gb create a new volume using the vhd file using the following settings: use the entire disk for the volume. assign v as the drive letter. format the drive with ntfs. assign vhd vol as the volume label.
Set a System (C:) disk mirror copy on Disk 1 to boost error checking. To better results & uptime in Files 2, 3, & 4, set up a fresh disk with the given setup. R like the disk update, 2 TB disk: File size label in NTFS.
What is the role of a administrator?An administrator is essential to the efficient operation of a firm and provides office support for a single individual or a team. They might be in charge of answering phones, welcoming and guiding guests, word processing, making spreadsheets & presentations, and filing.
What makes a good administrator?You need to be deadline-driven and well organized in order to be an effective administrator. A good administrator can manage several duties at once and delegate as needed. Planning and the aptitude for strategic thought are key abilities that advance administrators' careers.
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list down seven categories of virus
Answer:
DNA viruses, RNA viruses, retroviruses, enveloped viruses, non-enveloped viruses, ssDNA viruses, and ssRNA viruses.
Cedric has a table listing customer data, including the date of their purchase. He can sort the Date data in descending order to quickly find customers with recent purchases. true or false?
True, Finding consumers with recent purchases would be simple if the Date data were sorted in descending order, showing the most recent purchases first.
How will you arrange the data so that it is sorted descendingly?Just one cell must be selected in the desired column. Click Sort A to Z to sort a list in ascending order. (From A to Z or smallest to biggest number). Click Sort Z to A to display the items in decreasing order. (Z to A, or from largest to smallest)
How can you use a query to order the data in a table in ascending and descending order?With SQL's ORDER BY clause, you can use ascending order to arrange your table's contents. SELECT table columns, ordering them by column.
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JAVA program
1) Design a Contact class that has name and phoneNum as type String instance
variables. Follow the standard Java conventions.
2) Add one or more instance variables to Contact.
3) Create two constructors for Contact class, one with a null parameter list.
4) Create mutators and accessor methods for instance variables in Contact class.
5) Have one static variable in Contact called school. This implies that all of your contacts attend the same school
6) Create an accessor and mutator for school.
7) Create 5 or more instances of Contact manually inside main(), or prompt the user to
give you contact information.
8) Use the this reference at least once.
9) Print your contact information utilizing toString().
Answer:to hard
Explanation:
AnimalColony is a class with one int* and one double* data member pointing to the population and growth rate of the animal colony, respectively. An integer and a double are read from input to initialize myAnimalColony. Write a copy constructor for AnimalColony that creates a deep copy of myAnimalColony. At the end of the copy constructor, output "Called AnimalColony's copy constructor" and end with a newline.
Ex: If the input is 20 1.00, then the output is:
Called AnimalColony's copy constructor
Initial population: 20 penguins with 2.00 growth rate
Called AnimalColony's copy constructor
After 1 month(s): 60 penguins
After 2 month(s): 180 penguins
Custom value interest rate
20 penguins with 1.00 growth rate
#include
#include
using namespace std;
class AnimalColony {
public:
AnimalColony(int startingPopulation = 0, double startingGrowthRate = 0.0);
AnimalColony(const AnimalColony& col);
void SetPopulation(int newPopulation);
void SetGrowthRate(double newGrowthRate);
int GetPopulation() const;
double GetGrowthRate() const;
void Print() const;
private:
int* population;
double* growthRate;
};
AnimalColony::AnimalColony(int startingPopulation, double startingGrowthRate) {
population = new int(startingPopulation);
growthRate = new double(startingGrowthRate);
}
void AnimalColony::SetPopulation(int newPopulation) {
*population = newPopulation;
}
void AnimalColony::SetGrowthRate(double newGrowthRate) {
*growthRate = newGrowthRate;
}
int AnimalColony::GetPopulation() const {
return *population;
}
double AnimalColony::GetGrowthRate() const {
return *growthRate;
}
void AnimalColony::Print() const {
cout << *population << " penguins with " << fixed << setprecision(2) << *growthRate << " growth rate" << endl;
}
void SimulateGrowth(AnimalColony c, int months) {
for (auto i = 1; i <= months; ++i) {
c.SetPopulation(c.GetPopulation() * (c.GetGrowthRate() + 1.0));
cout << "After " << i << " month(s): " << c.GetPopulation() << " penguins" << endl;
}
}
int main() {
int population;
double growthRate;
cin >> population;
cin >> growthRate;
AnimalColony myAnimalColony(population, growthRate);
AnimalColony myAnimalColonyCopy = myAnimalColony;
myAnimalColony.SetGrowthRate(growthRate + 1.0);
cout << "Initial population: ";
myAnimalColony.Print();
SimulateGrowth(myAnimalColony, 2);
cout << endl;
cout << "Custom value interest rate" << endl;
myAnimalColonyCopy.Print();
return 0;
}
Copying a savings account to another. This assumes that the copy function Object() { [native code] } of the savings account class takes a reference to another savingsaccount object as its parameter.
What is the code to make copy function Object?The code to make a deep duplicate of a savings account object using the copy function Object() { [native code] } might resemble this, assuming the class definition for savings account has previously been established with the relevant data members and methods are scss and Code copy.
double growthRate;
cin >> population;
cin >> growthRate;
AnimalColony myAnimalColony(population, growthRate);
AnimalColony myAnimalColonyCopy = myAnimalColony;
Therefore, Copying a savings account to another. This assumes that the copy function Object() { [native code] } of the savings account class takes a reference to another savingsaccount object as its parameter.
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which of the following tools can be used to conduct a distributed denial-of-service (ddos) attack? [choose all that apply]
They include the DNS server, the NTP, the SNMP, and Memcached (used to accelerate database and web-based transactions). Network Devices: Examples of network devices are switches and routers.
Which of the following tools can be used to carry out a DDoS assault against a distributed network?SLOWLORIS. One of the most popular DDoS attack tools is SLOWLORIS. Even with limited bandwidth, it sends valid HTTP requests to overwhelm a server.
Which of the following techniques is employed in a DDoS attack?DoS assaults usually take one of two routes: they either flood services or they crash services. Flood attacks occur when a server cannot handle the volume of incoming traffic, which causes the system to become sluggish and eventually stop.
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