Show a scenario in the optimistic algorithm where a thread is forever
attempting to delete a node.
Hint: since we assume that all the individual node locks are starvation-free, the
livelock is not on any individual lock, and a bad execution must repeatedly add
and remove nodes from the list.
Answers
One thread will successfully complete its modification while the other threads will be forced to retry their modifications from the beginning. This can result in a scenario where a thread is forever attempting to delete a node.
In the optimistic algorithm, a scenario where a thread is forever attempting to delete a node can be demonstrated as follows:
1. Assume there are two threads, Thread A and Thread B.
2. Thread A wants to delete node X from the list, and Thread B wants to delete node Y.
3. Thread A acquires the lock on node X and is about to delete it. However, before it can complete the deletion, Thread B acquires the lock on node Y.
4. Thread A notices the change and releases the lock on node X, restarting its operation. It acquires the lock on node X again and attempts to delete it.
5. Meanwhile, Thread B completes its deletion of node Y and notices the changes made by Thread A. It releases the lock on node Y and restarts its operation.
6. Thread B acquires the lock on node Y and attempts to delete it again, while Thread A is still trying to delete node X.
7. The above steps keep repeating, causing a livelock situation where both threads are forever attempting to delete their respective nodes but unable to complete the operation due to the interference from the other thread. This happens even though individual node locks are starvation-free, as the livelock is not caused by any single lock but rather by the continuous addition and removal of nodes from the list.
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Related Questions
A frequency distribution is a tabulation of n data values into k classes called bins. true. or false
Answers
It's true what is said here. In a frequency distribution, the bin widths are typically equal.
What do bins and classes mean?When displaying numerical data, a histogram divides the data into "bins" of equal width. Each bin is represented graphically by a bar whose height reflects the number of data points it contains. Intervals, classes, and buckets are other names for bins.
What do data bins mean?When grouping values in a chart, bins are single continuous value ranges. Binning data makes data visualisations easier to understand so that users can quickly identify outliers and gain a sense of the distribution of their data.
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Submit a report outlining the steps you will take to obtain digital evidence. In your report you must include the legal requirements, ethical considerations, and the digital sources you will be investigating in hopes of recovering data and collecting evidence to determine who was responsible for the data exfiltration.
For all assignments, remember the following important elements:
Proofread for spelling, grammar, and punctuation.
You may respond in bullet form for this project, but use standard written English. Do not use texting abbreviations or other similar shortcuts.
Answers
The steps you will take to obtain digital evidence.
One has to Respond First. Then a Search and Seizure is ordered.There is the Evidence Collection. There is the Securing of the Evidence. There is Data Acquisition stage.Then there is Data Analysis. Then there is Evidence Assessment. Then there is Documentation and Reporting.The last is expert witness testimony.What is Digital evidence?Digital evidence is known to be a kind of information that is often saved or transmitted in a method that uses binary form that can be relied on in case of court.
Note that it is one that can be found on a computer hard drive, a mobile device such as phone, among other means.
Hence, The steps you will take to obtain digital evidence.
One has to Respond First. Then a Search and Seizure is ordered.There is the Evidence Collection. There is the Securing of the Evidence. There is Data Acquisition stage.Then there is Data Analysis. Then there is Evidence Assessment. Then there is Documentation and Reporting.The last is expert witness testimony.Learn more about digital evidence from
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Select all the correct answers.
Which two tasks does a geologist perform?
prepares scaled drawings of construction sites for clients
operates large machinery to create clothing and rugs
investigates the formation process of rocks
measures earthquakes and tsunamis using seismographs
constructs skyscrapers with the assistance of various contractors
Reset Next
Answers
measures earthquakes and tsunamis
Select the correct answer from each drop-down menu. What are the effects of emerging technology? has brought the internet to almost every location around the world. has led to the proliferation of on-the-go computing. Reset Next
Answers
Answer:
The correct answers are:
Wireless web
Mobile computing
Explanation:
I got it right on the Edmentum test.
Wireless web has brought the internet to almost every location around the world. Mobile computing has led to the proliferation of on-the-go computing.
What is technology?Technology, or as it is sometimes referred to, the modification and manipulation of the human environment, is the application of scientific knowledge to the practical goals of human life.
A catchall phrase for unrestricted access to the Internet and other services like email and messages.
The wireless Web is made up of public and private hotspots, cellular Internet access, and all other fixed or mobile wireless access services.
In human-computer interaction known as mobile computing, a computer is expected to be carried around while being used, allowing for the transmission of data, speech, and video.
Mobile hardware, mobile software, and mobile communication are all components of mobile computing.
Thus, these are the effects of emerging technology.
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What is the keyboard shortcut for the Undo command?
Choose the answer.
CTRL+X
CTRL+Z
CTRL+U
CTRL+V
Answers
Answer:
CTRL+Z is Undo
Explanation:
CTRL+X: Cut
CTRL+Z: Undo
CTRL+U: Underline
CTRL+V: Paste
(a) What are the three essential elements of a security context? (b) How does situation, or Si, fit in to Manunta's definition Download Manunta's definition of the security context?
Answers
The three essential elements of a security context are subject, object and environment. he concept of situation, or Si, fits into Manunta's definition of the security context by capturing the dynamic and evolving nature of security.
(a)
Subject:
The subject refers to the entity or individual that requires security protection or is involved in security-related activities. It can be a person, organization, system, or any other entity for which security measures are implemented.Object:
The object represents the target or asset that needs to be protected or secured. It can be physical assets such as buildings, equipment, or data and information stored in computer systems or networks. Objects are the resources that subjects interact with or have a stake in.Environment:
The environment refers to the external factors and conditions that influence the security context. It includes the physical surroundings, social aspects, legal and regulatory frameworks, technological landscape, and any other relevant contextual elements that impact the security of the subject and object.(b)
Situation refers to the specific circumstances, events, or conditions that occur within the security context and can impact the security posture or requirements.
Situation or Si is a component of Manunta's definition that refers to the broader setting in which the information system operates. The situation describes the environment's social, political, cultural, and technological aspects that have an impact on information system security.
The situation can include economic, organizational, and social factors that impact how the system is used, the value of its data, and the level of risk it faces.
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What is the system software that manages and controls the computer's activities called?
Answers
The software that manages and controls the computer's activities is called the operating system (OS).An operating system (OS) is system software that manages and controls the hardware and software resources of a computer system. It is a software layer that sits between applications and the computer hardware, handling system calls and resource allocation, and overseeing file systems and input/output operations.
The operating system's primary objective is to make computer hardware and software accessible to application developers while providing users with a platform to run applications.There are various types of operating systems available in the market, including Windows, macOS, Linux, Unix, Android, iOS, and others. The operating system must interact with the hardware of the computer to execute applications and enable users to communicate with the computer. It is responsible for the computer's overall functioning, such as memory management, file management, task scheduling, input/output (I/O) management, and security. It also ensures that the computer's various hardware components work together and communicate effectively.
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A two-in-one computer combines a tablet with a detachable ________ to make a relatively powerful, yet mobile computer.
Answers
A two-in-one computer is a device that combines the features of a tablet and a laptop. This device is designed to be both portable and powerful, making it an excellent choice for those who need to work on the go.
A two-in-one computer combines a tablet with a detachable keyboard to make a relatively powerful, yet mobile computer. This design is meant to provide users with the convenience of a tablet while still giving them the power and functionality of a laptop. The detachable keyboard is typically connected to the tablet through a series of magnetic or mechanical connectors.
When the keyboard is detached, the device can be used as a tablet, allowing users to work or play on the go. When the keyboard is attached, the device functions like a traditional laptop, providing users with a full-size keyboard and trackpad for more productive work. Overall, the two-in-one computer is an excellent choice for those who need a versatile device that can adapt to their needs.
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What is variable? What are the rules followed for naming a variable?
Answers
The rules and conventions for naming can be summarized as follows: Variables names are case-sensitive. A variable's can be any legal identifier -an unlimited-length sequence of Unicode letters and digits, beginning with a letter, the dollar sign "$", or the underscore character "_".
how many host addresses are available on the network 172.16.128.0 with a subnet mask of 255.255.252.0?
Answers
1022 host addresses are available on the network 172.16.128.0 with a subnet mask of 255.255.252.0.
A mask of 255.255.252.0 corresponds to a prefix of/22. A /22 prefix allocates 22 bits to the network and leaves 10 bits for the host. The 10 bits in the host part will produce 1022 valid IP addresses (210 - 2 = 1022).
The network address is used to determine the subnet where the computer or device is situated, whereas the host address is used to locate the computer or device within the subnet. A subnet is formed when a large computer network is partitioned into smaller units.
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"How
to find salary using HLookup
how to find rate using HLookup
how to find commission HLookup
Answers
To find salary, rate, or commission using HLOOKUP, you would need a table or range where the desired values are arranged in a row or rows, with the lookup value located in the top row.
HLOOKUP is a function in Excel that allows you to search for a specific value in the top row of a table or range and return the corresponding value from a specified row. To find salary, rate, or commission using HLOOKUP, you would need a table or range where the desired values are arranged in a row or rows, with the lookup value located in the top row.
In HLOOKUP, you would specify the lookup value (such as an employee name or ID) and the range of cells that contains the table. The function would then search for the lookup value in the top row of the table and return the corresponding value from a specified row.
For example, if you have a table with employee names in the top row, salaries in the second row, rates in the third row, and commissions in the fourth row, you can use HLOOKUP to find the salary, rate, or commission for a specific employee by specifying the lookup value and the appropriate row index.
In the HLOOKUP formula, the lookup value would be the employee name or ID, the table range would include the top row containing the employee names, and the row index would be specified to determine which row of the table to retrieve the desired value from (e.g., 2 for salary, 3 for rate, 4 for commission). The HLOOKUP function will then return the corresponding value based on the specified lookup value and row index.
It's important to note that for HLOOKUP to work correctly, the lookup value should match exactly with the value in the top row of the table, and the table should be sorted in ascending order based on the lookup values. If an exact match is not found, HLOOKUP can use approximate matching with the help of the optional fourth argument, but this requires the table to be sorted in ascending order.
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What are the four different orchestral instrument families?
Name five string orchestral string instruments.
What are the most common brass instruments used in an orchestra?
Name four percussion instruments.
Name two different categories of orchestra.
HELP PLEASE
sorry btw i dont see a music subject
Answers
Answer:
Gutair
Violen
cello
Double Brass
Harp
Explanation:
Question #4
Multiple Select
Which of the following statements are true when addressing feedback? Select 3 options.
Most negative feedback should be ignored.
The feedback loop is not closed until action is taken to address the feedback.
Negative feedback that is addressed correctly can help build customer loyalty.
Analytics and other new technologies help developers evaluate feedback.
All feedback should be prioritized equally.
Answers
Answer:
Negative feedback that is addressed correctly can help build customer loyalty..
Analytics and other new technologies help developers evaluate feedback.
The feedback loop is not closed until action is taken to address the feedback.
Explanation:
Feedbacks are simply complaints, abuses, praise which service providers do get when customers allowed to respond or give commebts on the services rendered. It is an essential channel for consumers to channel Thor grievances and well as praise while also allowing service providers take adequate note of shortcomings and areas which could be improved upon in their products or service offering. Proper evaluation of feedbacks with regards to sensitivity and humor goes a long in molding good customer relationship and loyalty.
Prioritization of negative feedbacks by angry customers should be handled carefully and noted in other to proffer adequate fix and foster good future relationship.
can someone tell me why it says that and how i can fix it pls
Answers
View the image below for the answer.
LAB: Word frequencies - methods Define a method named getWordFrequency that takes an array of strings, the size of the array, and a search word as parameters. Method getWordFrequency() then returns the number of occurrences of the search word in the array parameter (case insensitive). Then, write a main program that reads a list of words into an array, calls method getWordFrequency() repeatedly, and outputs the words in the arrays with their frequencies. The input begins with an integer indicating the number of words that follow. Assume that the list will always contain less than 20 words.
Ex: If the input is: 5 hey Hi Mark hi mark the output is: hey 1 Hi 2 Mark 2 hi 2 mark 2 Hint: Use the equalslgnoreCase() method for comparing strings, ignoring case. Hint: Use the equalslgnoreCase() method for comparing strings, ignoring case. The program must define and call a method: public static int getWordFrequency(String[] wordsList, int listSize, String currWord).
Answers
The program is an illustration of loops, functions and conditional statements
Loops are used for repetitionFunctions are used to group related code statements in a blockConditional statements are used to make decisionsThe program in JavaThe program written in Java, is as follows:
import java.util.Scanner;
public class Main {
public static int getFrequencyOfWord(String[] wordsList, int listSize, String currWord) {
int wordFreq = 0;
for (int i=0; i<listSize; i++){
if (wordsList[i].compareToIgnoreCase(currWord)==0){
wordFreq++;
}
}
return wordFreq;
}
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
int N = input.nextInt();
String myArr[] = new String[N];
for (int i=0; i<N; i++){
myArr[i] = input.next();
}
for (int i=0; i<N; i++){
String searchWord = myArr[i];
int freqCount = getFrequencyOfWord(myArr,N,searchWord);
System.out.println(searchWord + " " + freqCount);
}
}
}
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50 POINTS
in Java
A palindrome is a word, phrase, or sequence that reads the same backward as forward, e.g., madam or nurses run.
In this program, ask the user to input some text and print out whether or not that text is a palindrome.
Create the Boolean method isPalindrome which determines if a String is a palindrome, which means it is the same forwards and backwards. It should return a boolean of whether or not it was a palindrome.
Create the method reverse which reverses a String and returns a new reversed String to be checked by isPalindrome.
Both methods should have the signature shown in the starter code.
Sample output:
Type in your text:
madam
Your word is a palindrome!
OR
Type in your text:
hello
Not a palindrome :(
Answers
import java.util.Scanner;
public class JavaApplication52 {
public static String reverse(String word){
String newWord = "";
for (int i = (word.length()-1); i >= 0; i--){
newWord += word.charAt(i);
}
return newWord;
}
public static boolean isPalindrome(String word){
if (word.equals(reverse(word))){
return true;
}
else{
return false;
}
}
public static void main(String[] args) {
Scanner scan = new Scanner(System.in);
System.out.println("Type in your text:");
String text = scan.nextLine();
if (isPalindrome(text) == true){
System.out.println("Your word is a palindrome!");
}
else{
System.out.println("Not a palindrome :(");
}
}
}
I hope this works!
A company notices their software is prone to buffer overflow attacks. They choose a popular development environment, Microsoft Visual Studio, to help avoid future attacks. What development environment feature would most help the company avoid future buffer overflows
Answers
Answer:
Compiler Option
Explanation: These help prevent buffer overflow attacks
(C
What is the most effective way to demonstrate being prepared for an interview?
O Ask to speak to people at the company whom you have met with before.
O Send a list of your references to the interviewer before the interview.
Mention something you learned about the company during the interview.
O Prepare a short speech about your strengths and weaknesses.
Answers
Answer:
I think it is send a list of your.............
Answer:
its B drop a like
Explanation:
your company purchases several windows 10 computers. you plan to deploy the computers using a dynamic deployment method, specifically provision packages. which tool should you use to create provisioning packages?
Answers
To create provisioning packages for deploying Windows 10 computers using a dynamic deployment method, you should use the Windows Configuration Designer tool.
Windows Configuration Designer (formerly known as Windows Imaging and Configuration Designer or Windows ICD) is a powerful graphical tool provided by Microsoft to create provisioning packages. It allows you to customize and configure various settings, policies, and applications to be applied during the deployment process.
Using Windows Configuration Designer, you can create provisioning packages that define the desired configurations for Windows 10 computers. These packages can include settings such as network configurations, security settings, regional preferences, installed applications, and more.
The tool provides an intuitive interface that guides you through the process of creating the provisioning package. You can select the desired configuration options, customize settings, and preview the changes before generating the package.
Once the provisioning package is created using Windows Configuration Designer, it can be applied during the deployment process to configure multiple Windows 10 computers with consistent settings and configurations. The provisioning package can be installed manually or through automated deployment methods like Windows Autopilot or System Center Configuration Manager (SCCM).
In summary, to create provisioning packages for deploying Windows 10 computers using a dynamic deployment method, you should use the Windows Configuration Designer tool. It enables you to customize settings and configurations, which can be applied during the deployment process to ensure consistent and efficient provisioning of Windows 10 computers.
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Which statement is not true for a good algorithm?
A. It is clear and cannot be interpreted in more than one way by
different people or machines.
B. It successfully solves the desired problem or performs the desired
task.
C. It can perform a task or solve a problem even if various inputs are
involved.
O D. It uses more resources and more time than it needs to.
Answers
Answer:
D. It uses more resources and more time than it needs to.
Explanation:
A, B, and C each show the workload of an algorithm in positive light. However, D shows it using more resources and time than it needs to; something a "good" algorithm would not do.
30 POINTS
Which of the following adjusts the thickness or type of line that borders a shape or image?
a
Fill
b
Opacity
c
Stroke
d
Texture
Answers
c) Stroke adjusts the thickness or type of line that borders a shape or image.
In computer graphics and design software, the stroke refers to the line that outlines the shape or image.
It determines the thickness, color, and style of the border surrounding the shape or image.
By adjusting the stroke properties, you can modify the thickness or type of line that borders a shape or image.
For example, you can increase or decrease the thickness of the stroke to make the border appear thicker or thinner.
You can also change the color of the stroke to match your design preferences.
Additionally, you can apply different styles such as dashed, dotted, or solid lines to the stroke, altering the visual appearance of the border.
Adjusting the stroke properties provides flexibility and control in creating and customizing the borders of shapes and images, allowing you to achieve the desired visual effect in your designs.
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Stocks in my portfolio are as follows:
Adobe INC ADBE original stock price in first lesson $318.39 current price is 338.12
Microsoft Corp MSFT original stock price in 1st lesson $159.00 current price is 173.47
Procter & Gamble PG original stock price in 1st lesson $115.00 current price 121.08
United Airline Holdings UAL original stock price in 1st lesson $30.77 current price is 30.90.
Using an Excel spreadsheet show your calculation of your gain or loss for each security for the week. Make sure you show a dollar return calculation and a percentage return calculation. Be especially careful on the computation of the gain/loss on the stock you purchased on margin. If you wish, you may sell none, one, or two (but no more) of your holdings.
-Please replace any stocks you sell on the same terms (long or short). In an accompanying 1–2- page Word document, address the checklist items below.
Checklist:
Discuss why you took the actions you did in your Portfolio, with special attention to your reasoning behind holding or selling specific stocks.
Make special note of any observations you made when analyzing your calculations.
In addition, invest in one mutual fund and one exchange traded fund this week, again limiting your investment in each to $50,000. Include in your report this week, the price of the investments made including the $25 commission and your justification for the purchases. Incorporate these buys in your spreadsheet.
Analysis:
Show a dollar return calculation and a percentage return calculation.
Provide the computation of the gain/loss on the stock you purchased on margin
Discuss why you took the actions you did in your Portfolio, with special attention to your reasoning behind holding or selling specific stocks and buying the funds.
**Risk capacity is not needed for this problem**
This does need a portion of it to be solved using excel. please just paste in a snippet of the excel portion.
Answers
The task involves calculating the gain or loss for each security in the portfolio, including a dollar return and a percentage return calculation.
To complete the task, an Excel spreadsheet is used to calculate the gain or loss for each security in the portfolio. The dollar return and percentage return calculations are performed to assess the performance of each stock. The computation of gain/loss on the stock purchased on margin takes into account any interest or fees associated with the margin investment.
The reasoning behind holding or selling specific stocks depends on various factors such as market trends, company performance, and individual investment goals. The decision to hold or sell a stock is influenced by factors like profitability, growth potential, and risk assessment.
Regarding the new investments in mutual funds and exchange-traded funds, the choices are made based on their performance, diversification benefits, and alignment with the investor's overall investment strategy.
Observations made during the calculations may include notable trends in stock prices, differences in returns among securities, and the impact of margin trading on overall portfolio performance.
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A robot is designed to deliver snacks to patients in the hospital, allowing nurses to spend more time on skilled care. The robot needs to be able to navigate the hallways, avoiding patients who may be walking or using wheelchairs. What element of sensors addresses this concern?
security
communication
mobility
power source
Answers
Answer:
mobility
Explanation:
since it needs to move around people and navigate the hallways
MOBILITY
you welcome
what forms of static analysis exist (including but not limited to)?group of answer choicesautomated program analysis, formal verification, dynamic program analysisprogram modeling, model checking, model simulation, model verificationthere are no different forms.formal verification, model checking, automated program analysis
Answers
There are several forms of static analysis that exist, including but not limited to automated program analysis, formal verification, dynamic Program analysis, program modeling, model checking, model simulation, and model verification.
However, in this answer, I will focus on formal verification, model checking, and automated program analysis.Formal verification is a type of static analysis that uses mathematical techniques to prove the correctness of a software system. It involves defining the system in a formal language and then applying mathematical rules to prove that the system satisfies a set of properties.Model checking, on the other hand, is a technique that involves exhaustively checking all possible states of a software system to ensure that it satisfies a set of properties. It involves constructing a model of the system and then systematically checking all possible states of the model to ensure that it behaves as intended.Automated program analysis is a type of static analysis that involves automatically analyzing the source code of a software system to detect potential issues or defects. It uses techniques such as data flow analysis, control flow analysis, and symbolic execution to identify issues such as memory leaks, buffer overflows, and null pointer dereferences.Overall, each of these forms of static analysis can be useful in detecting potential issues in a software system and ensuring that it behaves as intended. However, the specific technique or combination of techniques used will depend on the nature of the system being analyzed and the specific properties that need to be verified.
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What phase of a batch job using a Batch scope must contain at least one message processor?
- Input
- Load and Dispatch
- Process Records
- On Complete
Answers
The "Process Records" phase of a batch job using a Batch scope must contain at least one message processor.
In a batch job using a Batch scope, the "Process Records" phase must contain at least one message processor.
The Batch scope is a powerful Mule component that enables the processing of large amounts of data in a batch.
When a batch job is executed, it is divided into several phases, which include the "Input" phase, the "Load and Dispatch" phase, the "Process Records" phase, and the "On Complete" phase.
The "Process Records" phase is where the actual processing of each record takes place.
It is in this phase where you can define the specific message processors that will be used to perform the desired processing tasks.
At least one message processor is required in this phase, as it is the core of the batch processing logic.
Without a message processor in this phase, the batch job will not be able to process any records.
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______ software is an application that enables users to enter typed text or handwritten comments on a page.
Answers
Note taking software is an application that enables users to enter typed text or handwritten comments on a page.
What is a software?A software can be defined as a set of executable instructions that is typically used to instruct a computer system on how to perform a specific task and proffer solutions to a particular problem.
The types of software.Generally, there are three main types of software and these include:
Application softwareUtility softwareSystem softwareIn Computer programming, a note taking software is an application that is designed and developed to enable users in entering typed text or handwritten comments on a page.
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What genre do games that involve physical challenges and make use of hand-eye coordination, speed, accuracy, and precision fall into?
adventure
action
simulation
puzzle
Answers
Answer:
flexiblity
feedback
playin outdoor game
Answer:
I think simulation not 100% sure though.
Write the class definition for a Student class that contains four private data members: An int studNum to store the student number. A string studFirstName to store the student’s first name. A string studSurname to store the student’s surname. A one dimensional array subjectCode of type string that hold the five subjects that the student is registered for. A parallel array to the subject code array called finalMark that holds the final mark that the student obtained for the subject stored in the subject code array. A double overallAverage that will hold the overall average that the student has obtained for all the subjects that he/she is registered for. The class has the following methods: A default constructor that sets the data members to appropriate default values for all data members, including the arrays. A setStudent method that receives parameters for the student number and name, as well as an array of type string and an array of type double for the subjects code and final mark respectively. A determineOverallAve that calculates and returns the overall average of the student for the five tests he/she is registered for. displayStudent that displays the student number, student surname concatenated with the first name with a space and comma in between (i.e. Meintjes, Maria), followed by the overall average on the screen.
Answers
The displayStudent method displays the student number, student surname concatenated with the first name with a space and comma in between (i.e. Meintjes, Maria), followed by the overall average on the screen.
The class definition for the Student class would contain four private data members:
- An int studNum to store the student number.
- A string studFirstName to store the student’s first name.
- A string studSurname to store the student’s surname.
- A one-dimensional array subjectCode of type string that holds the five subjects that the student is registered for.
- A parallel array to the subject code array called finalMark that holds the final mark that the student obtained for the subject stored in the subject code array.
- A double overallAverage that will hold the overall average that the student has obtained for all the subjects that he/she is registered for.
The class would have the following methods:
- A default constructor that sets the data members to appropriate default values for all data members, including the arrays.
- A setStudent method that receives parameters for the student number and name, as well as an array of type string and an array of type double for the subjects code and final mark respectively.
- A determineOverallAve method that calculates and returns the overall average of the student for the five tests he/she is registered for.
- A displayStudent method that displays the student number, student surname concatenated with the first name with a space and comma in between (i.e. Meintjes, Maria), followed by the overall average on the screen.
Here is the class definition for the Student class:
```
class Student {
private:
int studNum;
string studFirstName;
string studSurname;
string subjectCode[5];
double finalMark[5];
double overallAverage;
public:
Student() {
studNum = 0;
studFirstName = "";
studSurname = "";
for (int i = 0; i < 5; i++) {
subjectCode[i] = "";
finalMark[i] = 0;
}
overallAverage = 0;
}
void setStudent(int num, string firstName, string surname, string code[], double mark[]) {
studNum = num;
studFirstName = firstName;
studSurname = surname;
for (int i = 0; i < 5; i++) {
subjectCode[i] = code[i];
finalMark[i] = mark[i];
}
overallAverage = determineOverallAve();
}
double determineOverallAve() {
double sum = 0;
for (int i = 0; i < 5; i++) {
sum += finalMark[i];
}
return sum / 5;
}
void displayStudent() {
cout << studNum << " " << studSurname << ", " << studFirstName << ": " << overallAverage << endl;
}
};
```
The default constructor sets all data members to appropriate default values, including the arrays.
The setStudent method receives parameters for the student number and name, as well as an array of type string and an array of type double for the subjects code and final mark respectively. It then assigns these values to the corresponding data members and calculates the overall average using the determineOverallAve method.
The determineOverallAve method calculates and returns the overall average of the student for the five tests he/she is registered for.
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which invention allowed computers to become smaller in size?
Answers
The invention that allowed computers to become smaller in size is the integrated circuit (IC) or microchip.
Before the development of integrated circuits, computers relied on individual transistors, resistors, and capacitors that were large and bulky. The invention of the integrated circuit in the late 1950s and its subsequent refinement made it possible to integrate multiple electronic components onto a single chip.
An integrated circuit is a small semiconductor device that contains a complex network of electronic components, such as transistors, diodes, and resistors, all etched onto a single piece of semiconductor material.
Today, advancements in integrated circuit technology, such as the development of microprocessors and System-on-Chip (SoC) designs, continue to drive the miniaturization of computers, enabling the creation of increasingly smaller and more powerful devices.
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tabitha is assigning initial values to each variable in her program. which term describes the process of assigning an initial value to a variable? question 12 options: initializing storing valuing declaring
Answers
The term that describes the process of assigning an initial value to a variable is "initializing." (Option a)
Why is initializing important in programming?Initializing variables is important in programming because it sets an initial value for a variable before it is used in computations or operations.
This helps avoid unexpected behavior or errors caused by using uninitialized variables.
Initialization ensures predictable and consistent behavior, promoting code reliability and preventing potential bugs or issues.
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