Answer:
1. t is a function used to transpose a matrix object. The object is passed as an argument to the function.
2. matplot is a graphical function in R used for data visualization.
3. The c function is used to combine arguments.
4. seq is an R function used to derive a range of numbers, optionally specifying a start, stop and step argument or simply a single numeric argument.
5. legends are used in data visualization to list and define items in the graphical presentation.
6. matrix is a function in R used to create and work with matrix and data frame objects.
7. rownames and colnames are functions used to label the row and columns of a data frame in R.
8. The typeof function return the data type of an object.
Explanation:
The R programming language is a dedicated programming language for data analysis and visualization.
What is generalization error in terms of the SVM? a. How accurately the SVM can predict outcomes for unseen data b. How far the hyperplane is from the support vectors c. The threshold amount of error in an SVM
Answer:
a. How accurately the SVM can predict outcomes for unseen data
Explanation:
Generalization Error in terms of the SVM which is an acronym for Support Vector Machine, that deals with a form of administered learning standard, is a criterion of how accurately the Support Vector Machine algorithm can make a forecast of concluding information for formerly hidden data.
Hence, in this case, the correct answer is option A, which is Generalization error in terms of the SVM is "How accurately the SVM can predict outcomes for unseen data"
It should be noted that generalization error in terms of the SVM base on How accurately the SVM can predict outcomes for unseen data.
Generalization error can be regarded as the error which serves as a measure of how accurately an algorithm is, when predicting outcome values as regards the previously unseen data.
Therefore, option A is correct, generalization error serves as how accurately the SVM can predict outcomes for unseen data.
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Do AirPods Pro have a person say “Low battery” or did I buy fake AirPods?
New Top Level Domains (TLDs) are coordinated by:_______.
A collection of code makes up what
Answer:
In computing, source code is any collection of code, with or without comments, written using a human-readable programming language, usually as plain text.
Explanation:
source code may be interpreted and thus immediately executed.
Create a cell reference in a format by typing in the cell name or
Answer:
D. Create a cell reference in a formula by typing in the cell name or clicking the cell.
Further Explanation:
To create a cell reference in a formula the following procedure is used:
First, click on the cell where you want to add formula.
After that, in the formula bar assign the equal (=) sign.
Now, you have two options to reference one or more cells. Select a cell or range of cells that you want to reference. You can color code the cell references and borders to make it easier to work with it. Here, you can expand the cell selection or corner of the border.
Again, now define the name by typing in the cell and press F3 key to select the paste name box.
Finally, create a reference in any formula by pressing Ctrl+Shift+Enter.
Define foreign key. What is this concept used for?
Answer and Explanation:
The foreign key is a column that has been linked in a relational database such as mysql to a primary key in another table. We use the foreign key to show a relationship between 2 tables or more. Out of these two tables, one would have the primary key and another the foreign key. For these keys to be linked, any value that is in each of the foreign and primary keys must match.
What is the range of possible values for the variable x?
int x = (int)(Math.random() * 10);
Answer:
int number = (int)(Math. random() * 10); By multiplying the value by 10, the range of possible values becomes 0.0 <= number < 10.0
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3. List and explain FIVE (5) types of services performed by
operating system?
you have 2 matching hdds in a system, which you plan to configure as a RAID array to improve performance. Which RAID configuration should you use.
Answer:
I think
Explanation:
RAID 5 improves performance over RAID 1.
Explanation
RAID provides both fault tolerance and improved performance RAID (mirroring) provides only fault tolerance with no performance benefit. Both RAID 5 and RAID 1 can only sustain a loss of one disk in the set. Use multiple disk controllers to provide redundancy for the disk controller.
Write a Java application that reads three integers from the user using a Scanner. Then, create separate functions to calculate the sum, product and average of the numbers, and displays them from main. (Use each functions' 'return' to return their respective values.) Use the following sample code as a guide.
Answer:
import java.util.Scanner;
public class Main
{
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.print("Enter a number: ");
int n1 = input.nextInt();
System.out.print("Enter a number: ");
int n2 = input.nextInt();
System.out.print("Enter a number: ");
int n3 = input.nextInt();
System.out.println("The sum is: " + calculateSum(n1, n2, n3));
System.out.println("The product is: " + calculateProduct(n1, n2, n3));
System.out.println("The average is: " + calculateAverage(n1, n2, n3));
}
public static int calculateSum(int n1, int n2, int n3){
return n1 + n2 + n3;
}
public static int calculateProduct(int n1, int n2, int n3){
return n1 * n2 * n3;
}
public static double calculateAverage(int n1, int n2, int n3){
return (n1 + n2 + n3) / 3.0;
}
}
Explanation:
In the main:
Ask the user to enter the numbers using Scanner
Call the functions with these three numbers and display results
In the calculateSum function, calculate and return the sum of the numbers
In the calculateProduct function, calculate and return the product of the numbers
In the calculateAverage function, calculate and return the average of the numbers
To return the value of the cell D8, the formula should be OFFSETA1=________.
Answer:
The formula is =OFFSET( A1, 7,3,1,1 )
Explanation:
Microsoft excel is a statistical and analytical tool for data management and analysis. Its working environment is called a worksheet. The worksheets are made up of rows and columns also known as records and fields respectively.
Functions like OFFSET in excel is used to return a cell or group of cells. It gets the position to turn by start getting a starting port, then the number of records below it and the fields after, then the length and width of cells to return.
syntax: =OFFSET( "starting cell", "number of rows below", "number of columns after", "height of cells to return", "width of cells to return" )
During the past decade ocean levels have been rising faster than in the past, an average of approximately 3.1 millimeters per year. Write a program that computes how much ocean levels are expected to rise during the next 15 years if they continue rising at this rate. Display the answer in both centimeters and inches.
Answer:
Program in Python is as follows:
rise = 3.1
for i in range(1,16):
print("Rise in Year "+str(i))
cm = rise * 0.1 * i
inch = rise/25.4 * i
print(str(cm)+" centimetres")
print(str(inch)+" inches")
Explanation:
This line initializes the rise of the ocean level
rise = 3.1
The following iterates from 1 to 15 (which stands for year)
for i in range(1,16):
print("Rise in Year "+str(i))
This calculates the rise in each year in centimetre
cm = rise * 0.1 * i
This calculates the rise in each year in inches
inch = rise/25.4 * i
The line prints calculated ocean rise in centimetres
print(str(cm)+" centimetres")
The line prints calculated ocean rise in inches
print(str(inch)+" inches")
A company has recently learned of a person trying to obtain personal information of employees illegally. According to which act will be the person punished?
I-SPY
CFAA
Digital Millennium Act
SOPA
Answer:
Digital Millennium Act
Explanation:
The Digital Millennium Copyright Act is a United States copyright law that implements two treaties of the World Intellectual Property Organization . The aim of this ACT is to protect the rights of both copyright owners and consumers. The law complies with the World Intellectual Property Organization Copyright. The law has two basic functions. First, it protects copyright owners by providing them with a mechanism to enforce their rights without having to directly sue the infringer
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Which two statements are true about the Data Sync functionality? (Choose two.)
A. Data Sync can create and manage surrogate keys in target tables.
B. Data Sync is the only mechanism available in Oracle Analytics Cloud Standard Edition for loading data into DBaaS tables.
C. To manage extractions and loads from cloud-based sources, Data Sync can invoke the REST APIs of the Oracle Database Cloud Service as well as the Oracle
D. Data Sync cannot load incremental source insertions and updates; only full refresh loads are supported.
B and C are the correct answers
The statements 'Data Sync can create and manage surrogate keys in target tables' and 'Data Sync can invoke the REST APIs of the Oracle Database Cloud Service as well as the Oracle' are TRUE (Option A and C).
Data synchronization (Data Sync) refers to the process of synchronizing data between different devices, as well as the automatic update of the changes.Oracle database cloud service refers to a cloud category that reaps the advantages of Platform as a Service (e.g., subscription-based services, self-service access to different elastic and reliable cloud environments, etc).This service (Oracle Database Cloud Service) can support different Oracle database versions.In conclusion, the statements 'Data Sync can create and manage surrogate keys in target tables' and 'Data Sync can invoke the REST APIs of the Oracle Database Cloud Service as well as the Oracle' are TRUE (Option A and C).
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Some might consider careers in the Construction industry to be quite flexible. Which statement supports this claim? Employees can work for themselves, big companies, or the government. Employers often release their staff when projects end. Employees work outdoors in dirty and dangerous environments. Employers can train staff so they work in both Design and Maintenance.
Answer:
The answer is probably A.
Employees can work for themselves, big companies, or the government.
Explanation:
Answer:
The answer is A
Explanation:
I took the test on edgenuity
1) Create the following 2D array in one instruction: {{1,2,3,4,5}, {1,2,3,4,5}, {1,2,3,4,5}} // your code goes below:
2) Create the above 2D array using a for loop and the below method: public static int[] simpleArray(int n) { int[] result = new int[n]; for (int i=0; i
Answer:
1)
int[][] a2dArray = {{1,2,3,4,5},{1,2,3,4,5},{1,2,3,4,5}};
2)
public class Main
{
public static void main(String[] args) {
int[][] a2dArray2 = new int[3][5];
for (int i=0; i<3; i++) {
a2dArray2[i] = simpleArray(5);
}
for (int i=0; i<a2dArray2.length; i++) {
for (int j=0; j<a2dArray2[i].length; j++){
System.out.print(a2dArray2[i][j] + "");
}
System.out.println();
}
}
public static int[] simpleArray(int n){
int[] result = new int[n];
for (int i=0; i<n; i++) {
result[i] = i+1;
}
return result;
}
}
Explanation:
1) To create a 2D array you need to write the type, two brackets and the name on the left hand side. Put the values on the right hand side.
2) Declare the array. Since there will be 3 rows and 5 columns, put these values in the brackets on the right hand side.
Create a for loop that iterates 3 times. Call the method simpleArray inside the loop so that each row of the a2dArray2 array will be set. Be aware that simpleArray method takes an integer as parameter and creates a 1D array, the numbers in the array starts from 1 and goes to the parameter value. That is why calling the method simpleArray (with parameter 5) 3 times will create a 2D array that has 3 rows and 5 columns.
Then, use a nested for loop to display the 2D array.
9
of
Thich
the following Controls the process of
system? 6) User interface (b) Language Translator
c) platform (d) Screen Saver
teraction between
Answer:
I'm sorry the answer is really difficult to understand, could you explain?
Explanation:
What is one characteristic of a logic problem? A). a problem that can have three solutions B). a problem that can be solved in a methodical manner C). a problem that can have ill-defined steps D). a problem that can be solved using a chart
Answer:It can be solved in methodical manner
Explanation:
Because
The characteristic of a logic problem are, a problem that can be solved in a methodical manner. Option B is the correct option.
What is a logic problem?A logic problem is the type of logic puzzle or problem which is solved by the help of deduction technique.
Characteristic of a logic problem are listed below;
Logic problems can be solved in a methodical manner.Logic problems should be solved in a well specified steps.The puzzle of logic problems should be well-defined.Thus, the characteristic of a logic problem are, a problem that can be solved in a methodical manner. Option B is the correct option.
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What is the quickest way to remove filters from a worksheet?
Answer:If you want to completely remove filters, go to the Data tab and click the Filter button, or use the keyboard shortcut Alt+D+F+F.
The quickest way to remove filters from a worksheet is to Alt+D+F+F.
What is a worksheet?Worksheets often refer to a paper that is blank with workouts or questionnaires on it that students must accomplish & record their responses on. They are utilized in most courses to some extent, and there are two main varieties in the lesson plan where things are often used.
Choose the Sort & Filter group, then click the Refine button. Click Clear Filter after selecting the tab. Removal of All Filters while selecting the worksheet. Designate Clear Filter after clicking each filter.
Columns in a spreadsheet allow you to enter facts and do calculations. Columns and rows have been used to arrange the cells. A textbook is where a workbook always is kept. Many worksheets may be found in a workbook.
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what is the different between ethical and legal issues?
Answer:
Ethical issue is anything that a person believes to be right or wrong that generally comes down based on personal opinion or a persons belief or philosophy while legal issue is any act done by a person whether he/she thinks it is right or wrong, whether it conforms to the law and needs legal expertise.
Explanation:
declare a variable to store 1009.87 in computer
Answer: float n1=1009.87;
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what is the function of control unit? in computer.
Answer:
The control unit of the central processing unit regulates and integrates the operations of the computer. It selects and retrieves instructions from the main memory in proper sequence and interprets them so as to activate the other functional elements of the system at the appropriate moment…
The central processing unit's control unit regulates and integrates the computer's operations.
What is central processing unit?The central processing unit (CPU) of a computer is basically the component that retrieves as well as executes instructions. A CAD system's CPU is essentially its brain.
It is comprised up of an arithmetic along with logic unit (ALU), a control unit, and a number of registers. The CPU is frequently referred to simply as the processor.
The processor, also referred to as the CPU, provides the instructions and processing power required by the computer to perform its functions.
The control unit (CU) is a component of the central processing unit (CPU) of a computer that directs the processor's operation.
It instructs the computer's memory, arithmetic/logic unit, and input and output devices how to respond to the instructions of a program.
Thus, this is the main function of control unit.
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Words or symbols that help you narrow down your search are called:
a) search tools
b) filters
c)
search operators
d) hashtags
Answer:
c) search operators
Explanation:
Words or symbols that help you narrow down your search are called search operators. This ultimately implies that, search operators are commands and special characters (words or symbols) which help users to filter and refine their search engine results by making the search more precise and specific in nature. Thus, search operators only provide search engine results that are relevant to what a user is searching for or it narrow down the focus of a search.
Hence, search operators comprises of commands and special characters (words or symbols) such as AND, OR, NOT, "", -, +, *, .., :, etc used for narrowing down search engine results.
For instance, typing "file.mp3" in a search engine would only present results that are in mp3 formats.
which is a legal term which indicates an idea process or physical creation that come from the work of the mind
Answer:
copy right
Explanation:
don't copy right any major companys
Answer:
Intellectual property
Explanation:
Define a constructor as indicated. Sample output for below program:Year: 0, VIN: -1Year: 2009, VIN: 444555666// ===== Code from file CarRecord.java =====public class CarRecord {private int yearMade;private int vehicleIdNum;public void setYearMade(int originalYear) {yearMade = originalYear;return;}public void setVehicleIdNum(int vehIdNum) {vehicleIdNum = vehIdNum;return;}public void print() {System.out.println("Year: " + yearMade + ", VIN: " + vehicleIdNum);return;}// FIXME: Write constructor, initialize year to 0, vehicle ID num to -1./* Your solution goes here */}// ===== end ===== //===== Code from file CallCarRecord.java =====public class CallCarRecord {public static void main (String args) {CarRecord familyCar = new CarRecord();familyCar.print();familyCar.setYearMade(2009);familyCar.setVehicleIdNum(444555666);familyCar.print();return;}}// ===== end =====
Answer:
public CarRecord(){
yearMade = 0;
vehicleIdNum = -1;
}
Explanation:
A constructor is used to initialize an object instantly. It does not have a return type and has the same name as class.
Create a constructor and set the year as 0 and vehicleIdNum as -1.
This constructor is the default constructor, initializes the default values for the variables, for this class.
A constructor is a block of code that is called and executed each time an object is created.
The constructor in Java is as follows:
public CarRecord(){
yearMade = 0;
vehicleIdNum = -1;
}
A constructor would have the same name as the class.
The class of the program is CarRecord; so the constructor name is CarRecord()
From the question, variables year and vehicles ID are to be initialized to 0 and -1 respectively.
So, the variable initialization is:
yearMade = 0;
vehicleIdNum = -1;
Hence, the complete code segment is:
public CarRecord(){
yearMade = 0; vehicleIdNum = -1;
}
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Which of these are examples of a Single Sign-On (SSO) service?
A. Kerberos.
B. Relying Parties.
C. OpenID.
D. Tokens.
It should be noted that examples of a Single Sign-On (SSO) service are
Kerberos.OpenID.According to the question, we are to discuss the examples of Single Sign-On (SSO) service and how it works in term of the user experience.
As a result if this , we can explain Single sign-on (SSO) as session that is required when authentication service us been need by the user, it helps the user have one set of login credentials
Therefore, examples of a Single Sign-On (SSO) service is OpenID.
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List at least three kinds of information stored in a computer.
Answer:
1)Numbers
2)Text
3) Graphics
Explanation:
three kinds of information stored in a computer are
1)Numbers
2)Text
3)Graphics
briefly summarize two examples of cybercrime stories.
quick pleaseeee
A cyber-crime is a crime that involves computers. For example, the computers could be breached, threaten someone, steal money, etc. Some examples of cyber-crime in real life include:
Former amazon employee breaches Capital One and steals private data.Visa Cards were able to be bypassed without contacts.ASCO received an attack that was ransomware.Best of Luck!
Which of the following forms of identity theft involves posing as a legitimate researcher to ask for personal information?
research spoofing
cyberstalking
phishing
pretexting
Answer:
Phishing.
Explanation:
Phishing is a form of internet fraud. It consists of defrauding people by luring them to a fake bank website, which is a copy of the real website, to have them log in there - unsuspectingly - with their login name and password or their credit card number. This gives the fraudster access to this data with all the associated consequences. The fraudster poses as a trusted body, such as a bank. Most forms of phishing are done via e-mail, as the mail contains a link to the false website.
Although the original BBS system was simple, it increased people's ability to communicate
across multiple lines
across analog lines
with multiple messages
across long distances
Answer:
across long distances.
Explanation:
BBS is an acronym for bulletin board system and it can be defined as an application or computer system which is typically used for the sharing and dissemination of user informations or data such as messages or files over a network. It is generally considered to be an alternative to the world wide web (www) in the 1980s and early 1990s before the advancement of the internet.
Hence, the bulletin board system (BBS) was typically accessed using a Telnet or a dial-up modem.
Although the original BBS system was simple, it increased people's ability to communicate across long distances because users didn't have to be physically present to exchange messages or files.
