True. Internet directories, also known as web directories or link directories, are created and maintained by human editors who search the web and categorize websites based on their content and relevance.
The statement "Internet directories are created by people, not computers, who search the internet and identify sources they believe to be particularly valuable" is generally true. Internet directories, also known as web directories, are curated lists of websites that are organized by topic or category. They are created and maintained by human editors who manually review and add websites to the directory. These editors often search the internet to find new websites to include in the directory and evaluate them based on various criteria such as relevance, quality, and usefulness. While some web directories use automated tools to help with the submission process or to sort websites, the ultimate decision to include a website in the directory is made by human editors.
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Examine the following code: CREATE OR REPLACE PROCEDURE update sal(v emp id NUMBER, v increment NUMBER) BEGIN UPDATE emp SET salary- salary +v increment WHERE employee id-v_emp_iod; END update_sal; CREATE OR REPLACE PROCEDURE do update (b emp id NUMBER, b increment NUMBER) BEGIN update_sal (b emp id, b increment); END do_update; After compiling the two procedures, you invoke the do update procedure using the following code: EXECUTE do update (12, 5000); Which statements are correct with reference to this code? (Choose all that apply.) A. The b _emp id and b_increment parameters are actual parameters for the do update procedure. B. The b emp id and b increment parameters are actual parameters for the update sal procedure. C. The b emp id and b increment parameters are formal parameters for the update sal procedure. D. The v emp id and v increment parameters are actual parameters for the update sal procedure. E. The v emp_ id and v_increment parameters are formal parameters for the update sal procedure.
A, C, and E are correct with reference to the given code. This code has two actual parameters: 12 (b_emp_id) and 5000 (b_increment).
These parameters are passed to the do update procedure and then forwarded to the update sal procedure. The update sal procedure has two formal parameters: v_emp_id and v_increment. These parameters receive the values 12 and 5000 respectively and update the emp table in the database.
In conclusion, A, C, and E are correct with reference to the code. A is correct because the b_emp_id and b_increment parameters are actual parameters for the do update procedure. C is correct because the b_emp_id and b_increment parameters are formal parameters for the update sal procedure.
Lastly, E is correct because the v_emp_id and v_increment parameters are formal parameters for the update sal procedure. So, A, C, and E are correct with reference to the given code.
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Write a SELECT statement that pulls all of the rows from a single field called LAST_NAME in a table called EMPLOYEE.
The following SELECT statement can be used to pull all rows from a single field called LAST_NAME in a table called the EMPLOYEE:
SELECT LAST_NAME
;
FROM EMPLOYEE
WHERE AGE > 25;
Stream processing in a relational data stream management system or the managing data housed in a relational database management system are two uses for the domain-specific language known as a SQL, also known as the structured query language.
The SELECT statement is an very important part of Structured Query Language (SQL). By using SELECT statements, you can pull data from the tables in a a database to meet your needs.
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Recommended three ways learners can find out thier learning styles in order to best revise thier work
the following circuit connects the output of a comparator (u1a) to an led (d1). which of the following condition is correct? g
The following circuit connects the output of a comparator (U1A) to an LED (D1). The condition is correct.
To determine if the condition is correct, we must examine the circuit and the functionality of the components. U1A is a comparator, meaning it takes two inputs and compares them. If the input voltage of U1A is higher than the reference voltage, U1A's output will be high (1). D1 is an LED, meaning when it is activated it will produce light. In this circuit, D1 is connected to U1A's output. Therefore, if U1A's output is high, the LED will be activated, and if U1A's output is low, the LED will not be activated.
To determine if the condition is correct, we must consider the logic of the circuit. If U1A's input voltage is higher than the reference voltage, U1A's output will be high and the LED will be activated. Therefore, the given condition is correct.
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For the CPT code assignment 44970, which of the following coding references can be accessed from the coding summary screen? Select all that apply. Coder's Desk Reference for Procedures CPT CPT Assistant DRG Anesthesia Crosswalk HCPCS
The CPT code assignment 44970 can be accessed from the coding summary screen of the following coding references: Coder's Desk Reference for Procedures CPT, CPT Assistant, DRG Anesthesia Crosswalk, and HCPCS.
For the CPT code assignment 44970, the coding references that can be accessed from the coding summary screen are as follows: CPT, CPT Assistant, and Anesthesia Crosswalk.
The Current Procedural Terminology (CPT) is a medical code set that is used to describe medical, surgical, and diagnostic services performed by healthcare professionals.
The codes are utilized for reimbursement purposes by insurance companies and other third-party payers. CPT codes are regularly updated to reflect new technologies and clinical advancements.
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Q1: Rows of soundwaves in an audio file are:
A. digital audio workspaces.
B. tracks.
C. files.
D. Visualizations.
Q2: Which one of these is NOT a job type commonly performed by a digital media professional?
A. database manager
B. foley artist
C. sound editor
D. production mixer
Answer:
Q1: Rows of soundwaves in an audio file are:
A. digital audio workspaces.
B. tracks.
C. files.
D. Visualizations
ANSWER: B. Tracks.
Q2: Which one of these is NOT a job type commonly performed by a digital media professional?
A. database manager
B. foley artist
C. sound editor
D. production mixer
ANSWER: B. Foley artist
Attempting to write a pseudocode and flowchart for a program that displays 1) Distance from sun. 2) Mass., and surface temp. of Mercury, Venus, Earth and Mars, depending on user selection.
Below is a possible pseudocode and flowchart for the program you described:
What is the pseudocode about?Pseudocode:
Display a menu of options for the user to choose from: Distance, Mass, or Surface Temperature.Prompt the user to select an option.If the user selects "Distance":a. Display the distance from the sun for Mercury, Venus, Earth, and Mars.If the user selects "Mass":a. Display the mass for Mercury, Venus, Earth, and Mars.If the user selects "Surface Temperature":a. Display the surface temperature for Mercury, Venus, Earth, and Mars.End the program.Therefore, the Flowchart:
[start] --> [Display menu of options] --> [Prompt user to select an option]
--> {If "Distance" is selected} --> [Display distance from sun for Mercury, Venus, Earth, and Mars]
--> {If "Mass" is selected} --> [Display mass for Mercury, Venus, Earth, and Mars]
--> {If "Surface Temperature" is selected} --> [Display surface temperature for Mercury, Venus, Earth, and Mars]
--> [End program] --> [stop]
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Marcus recently had his cell phone stolen. All of the following are security features that should help him locate his stolen phone EXCEPT which one?
Introduction to Information Systems
He can use remote wiping to retrace the thief's steps
What is Tracking?Tracking is a method of obtaining data about a marketing campaign that has been conducted, both online and offline.This allows you to not only understand how current campaigns are performing, but also to identify opportunities for improvement, make decisions, and design future strategies. We have tools like Analytics for this.It also enables you to track a user's movements on a website. We can do it with cookies, JavaScript or HTTP codes, or with tools like eye tracking, mouse tracking, or event tracking.Another feature is the ability to compare the movements of different domains using Analytics.To summarise, tracking is used to determine how campaigns generate more sales and whether the resources established generate the expected return on investment.
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Pressure on an object is given by forceApplied/contactArea. Write a program that reads double variables forceApplied and contactArea from the input, respectively, and computes objectPressure using the formula. Then, outputs "Object pressure is " followed by the value of objectPressure to four digits after the decimal point. End with a newline.
Ex: If the input is 1.25 2.0, then the output is:
Object pressure is 0.6250
Select the underlined word or phrase that needs to be changed to make the sentence correct. Some sentences contain no error at all.
Despite the poor weather, I was planning on attending the festival with her. No error
The sentence is already correct. No error is present in the sentence. The sentence has no underlined word or phrase that needs to be changed.
Syntax in grammar refers to the study of the rules governing the structure of sentences. The rules that govern the way words are combined to form phrases and sentences in a language are known as syntax.
The order of words in a sentence, how words function in relation to one another, and how different sentence structures convey meaning are all aspects of syntax. Therefore, syntax is concerned with the grammatical structure of a sentence.
A well-constructed sentence must have the proper subject-verb agreement and proper use of modifiers, pronouns, and tenses, among other things. Sentences that are not constructed properly are said to be grammatically incorrect. It is critical to have good syntax in writing and speaking in order to clearly convey a message.
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FILL IN THE BLANK to use a field list to add a field to a report, click the ___ button on the format tab to display a field list.
Clicking the Add Existing Fields button on the format tab will display a field list, which may be used to add a field to a report.
How do you add a field list to a query using the Query Tool Design tab's Add Field List button?Click the table or query that includes the field under Tables/Queries. To add a field to the list of Selected Fields, double-click it under Available Fields. The button with the two right arrows (>>) should be clicked if you want to include all fields in your query.
What does an Excel field mean?A field is a type of element where a single piece of data is held, like the received field. Typically, a table's columns carry the values of just one row.
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FILL IN THE BLANK. We label the data in a file that is not the primary data but describes the primary data in that file: ____ data.
a.) extensible
b.) relative
c.) virtual
d.) meta
e.) header
We label the data in a file that is not the primary data but describes the primary data in that file: Meta data. Therefore the correct option is option D.
Meta-data is a term used to describe data about other data in computing. The word "meta" means "about" or "along with." The computer's file system, databases, and other computer systems all use meta-data to store information about other data in the system.
This data may also be utilized to keep track of changes and to verify that the original data has not been tampered with. Metadata in digital imaging is data that describes the nature, characteristics, or content of a data item.
It is often utilized in digital cameras and other photo devices to offer information about the camera's settings, such as exposure, white balance, and image size.
In digital cameras, meta-data is used to store image resolution, color depth, exposure, contrast, and other technical details of the photograph.
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Which of the following statements about the use of an organization's code of ethics is not true? a. The code of ethics must continually be applied to a company's decision-making processes and emphasized as an important part of its culture. b. Breaches in the code of ethics must be identified and dealt with appropriately O c. An effective code of ethics helps ensure that employees abide by the law, follow necessary regulations, and behave in an ethical manner d. An organization's code of ethics applies to its executives, managers, and hourly employees, but not its board of directors, who are often senior executives in other companies.
An effective code of ethics helps ensure that employees abide by the law, follow necessary regulations, and behave in an ethical manner. The code of ethics applies to all individuals in the organization, including board of directors.
An organization's code of ethics applies to its executives, managers, and hourly employees, but not its board of directors, who are often senior executives in other companies.
A code of ethics outlines the values, principles, and conduct standards that govern an organization's behavior. The purpose of a code of ethics is to establish a foundation of ethical behavior for all members of the organization to follow.
Therefore, it must apply to all members of the organization including the board of directors. It is not true that an organization's code of ethics applies to its executives, managers, and hourly employees, but not its board of directors, who are often senior executives in other companies.
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PLEASE HELP!
Given integer variables seedVal and sidesVal, output two random dice rolls. The die is numbered from 1 to sidesVal. End each output with a newline.
Ex: If sidesVal is 6, then one possible output is:
1
5
how would I code this in c++?
Answer:
Explanation:
Here's an example code in C++ that generates two random dice rolls based on the input sidesVal:
#include <iostream>
#include <cstdlib>
#include <ctime>
using namespace std;
int main() {
int seedVal, sidesVal;
cout << "Enter seed value: ";
cin >> seedVal;
cout << "Enter number of sides: ";
cin >> sidesVal;
// Seed the random number generator with the user-input seed value
srand(seedVal);
// Generate two random numbers in the range of 1 to sidesVal
int roll1 = rand() % sidesVal + 1;
int roll2 = rand() % sidesVal + 1;
// Output the results
cout << roll1 << endl;
cout << roll2 << endl;
return 0;
}
This code prompts the user to enter a seed value and the number of sides on the die. It then seeds the random number generator with the user-input seed value, generates two random numbers using rand() % sidesVal + 1 to ensure the numbers fall within the range of 1 to sidesVal, and outputs the results on separate lines with a newline character.
An essential component of an information system, _____, is defined as facts or observations about people, places, things, and events.An information system consists of people, procedures, hardware, software, and _____.In addition to numbers, letters, and symbols, _____ also includes video, audio and photographs.
An essential component of an information system data is defined as facts or observations about people, places, things, and events.
What is Data?Data can be in three different states: at rest, in motion, and in use. In most circumstances, data in a computer moves in parallel. In most circumstances, data travelling to or from a computer moves as serial data. An analog-to-digital converter can convert analogue data from a device, like a temperature sensor, to digital data. Data that a computer uses to conduct operations on amounts, letters, or symbols is saved and recorded on magnetic, optical, electronic, or mechanical storage media and sent as digital electrical or optical signals. Peripheral devices are used by computers to transfer data in and out.A physical computer memory element consists of a storage byte or word and an address.
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Given the following values of arr and the mystery method, what will the values of arr be after you execute: mystery()? private int[] arr - (-17, -14, 3, 9, 21, 34); public void mystery() for (int i = 0; i < arr.length / 2; i += 2) arr[i] = arr[i]. 2;
A. {-34, -28, 6, 18, 42, 68}
B. {-17, -14, 3, 18, 21, 34}
C. {-34, -28, 6, 9, 21, 34)
D. {-34, -14, 6, 9, 21, 34}
E. {-34, -14, 6, 9, 42, 34}
The final value of arr will be {-8, -14, 1, 9, 10, 34}, which is closest to option B: {-17, -14, 3, 18, 21, 34}. Therefore, the answer is option B.
The mystery method is dividing the length of the array by 2 and iterating over the array by incrementing i by 2 in each iteration. In each iteration, it's updating the value at index i to be half of its current value.
Starting with the given values of arr: {-17, -14, 3, 9, 21, 34}
In the first iteration, i = 0, and arr[0] will be updated to -8.5, but since it's an integer array, it will be rounded down to -8.
After the first iteration: {-8, -14, 3, 9, 21, 34}
In the second iteration, i = 2, and arr[2] will be updated to 1.5, but since it's an integer array, it will be rounded down to 1.
After the second iteration: {-8, -14, 1, 9, 21, 34}
In the third iteration, i = 4, and arr[4] will be updated to 10.5, but since it's an integer array, it will be rounded down to 10.
After the third iteration: {-8, -14, 1, 9, 10, 34} Option B.
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which of the following is an example of a relative reference in excel? question 4 options: b$7 b7 $b7 $b$7
In Microsoft Excel, a relative reference is a cell reference that changes when you copy the formula to another location. Among the given options, the example of a relative reference in Excel is "b7".
When you copy a formula with a relative reference, the reference will change relative to the new location of the formula. For instance, if you copy the formula "=B72" from cell A1 to cell A2, the formula in A2 will change to "=B82" because the reference in the formula is relative to the new location of the formula. In contrast, an absolute reference remains constant regardless of where the formula is copied. To make a reference absolute, you can add a dollar sign ($) before the column and row reference
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14.
(05.03 MC)
Which example of the always secure design principle states that the resiliency of software and devices against attacker attempts depends heavily on the protection of its at risk components? (5 points)
Psychological acceptability
Complete mediation
Separation of privilege
Weakest link
15.
(05.03 LC)
Which principle states that the confidentiality of a system should remain even when availability is interrupted? (5 points)
Failsafe defaults
Complete mediation
Open design
Weakest link
16.
(05.03 LC)
Which principle states that if the design is highly complex, chances are good that security vulnerabilities increase? (5 points)
Open design
Weakest link
Economy of mechanism
Failsafe defaults
17.
(05.03 LC)
Which key soft skill involves evaluating evidence with an open mind? (5 points)
Critical thinking
Communication
Teamwork
Enthusiasm
18.
(05.03 LC)
Darren was assigned a big project planning a new network for his company. The network will connect several computers throughout a building. Which type of hard skill will he need in this situation? (5 points)
Virtual private network
Local area network
Wide area network
Private area network
19.
(05.03 LC)
What is one method attackers might use to smuggle hidden messages within an unsuspecting file? (5 points)
Copyright
Encoding
Network steganography
Digital encryption
20.
(06.01 MC)
Jackson just started working for a large technology company and received a list of rules that must be followed. He must sign an agreement that he will follow these rules before he can start his job. Which term best describes this agreement? (5 points)
Methods
Procedures
Regulations
Recommendations
21.
(06.01 LC)
________ is the government agency responsible for creating and monitoring safe workspaces in the United States. (5 points)
FDA
DOE
OSHA
USDA
22.
(06.02 LC)
Sarah has ambition and drive to create innovative products and set her own working hours. What type of career opportunity should Iris consider? (5 points)
Mentorship
Leadership
Practicum
Entrepreneurship
23.
(06.03 LC)
Peter has some job experience, but he took some time off to travel and visit friends. Which résumé format should he avoid using due to gaps in his employment history? (5 points)
Video
Combination
Chronological
Functional
24.
(06.03 LC)
Which résumé format would be a good fit for individuals with little to no work experience? (5 points)
Chronological
Video
Functional
Combination
25.
(06.03 LC)
Amy abbreviated the date as 10.27.21 in her business letter. After proofreading her letter, she realized the date format was incorrect. What is the correct format for the date? (5 points)
problem 35 write a query to display the number of products in each category that have a water base, sorted by category (figure p7.35
To display the number of products in each category that have a water base, sorted by category, you can use the following SQL query:
SELECT Category, COUNT(*) AS NumOfWaterBasedProductsFROM ProductsWHERE Base = 'Water'GROUP BY CategoryORDER BY Category;This query uses the SELECT statement to retrieve the Category column and the count of the number of products with a water base for each category. The COUNT(*) function is used to count the number of rows returned by the WHERE clause, which specifies that only products with a water base should be included.The GROUP BY clause is used to group the results by Category, so that the count is calculated for each category separately. Finally, the ORDER BY clause sorts the results by Category in ascending order.This query will return a table showing the number of products with a water base in each category, sorted by category.
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Given integer variables seedVal, smallestVal, and greatestVal, output a winning lottery ticket consisting of three random numbers in the range of smallestVal to greatestVal inclusive. End each output with a newline.
Ex: If smallestVal is 30 and greatestVal is 80, then one possible output is:
65
61
41
how do i code this in c++?
Answer:
Explanation:
Here's an example code in C++ that generates a winning lottery ticket consisting of three random numbers in the range of smallestVal to greatestVal:
#include <iostream>
#include <cstdlib>
#include <ctime>
using namespace std;
int main() {
int seedVal, smallestVal, greatestVal;
cout << "Enter seed value: ";
cin >> seedVal;
cout << "Enter smallest value: ";
cin >> smallestVal;
cout << "Enter greatest value: ";
cin >> greatestVal;
// Seed the random number generator with the user-input seed value
srand(seedVal);
// Generate three random numbers in the range of smallestVal to greatestVal
int lottery1 = rand() % (greatestVal - smallestVal + 1) + smallestVal;
int lottery2 = rand() % (greatestVal - smallestVal + 1) + smallestVal;
int lottery3 = rand() % (greatestVal - smallestVal + 1) + smallestVal;
// Output the winning lottery ticket
cout << lottery1 << endl;
cout << lottery2 << endl;
cout << lottery3 << endl;
return 0;
}
This code prompts the user to enter a seed value, the smallest and greatest values for the range of the lottery numbers. It then seeds the random number generator with the user-input seed value, generates three random numbers using rand() % (greatestVal - smallestVal + 1) + smallestVal to ensure the numbers fall within the range of smallestVal to greatestVal, and outputs the results on separate lines with a newline character.
FILL IN THE BLANK The ___ utility is used to edit the type of errors that are logged and where the messages are displayed
The Log Utility is used to edit the type of errors that are logged and where the messages are displayed.
Log Utility is a feature that allows users to manage their logs by deleting old logs and grouping similar logs. It's a Windows utility that displays information about important events that have occurred on your computer.
Applications and system processes can generate these events in the form of error messages, warning messages, and informational messages. You can use the Event Viewer log to display the logs generated by applications and the operating system.
This utility is especially useful when troubleshooting issues with an application or the operating system. Event Viewer log allows users to diagnose problems, track security violations, and analyze system health over time.
Delete: This feature is used to delete logs. You can delete logs that are no longer needed or that contain sensitive information.
Clear Log: This feature is used to clear a log. You can clear a log if you want to start over with a clean log.
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which of the following disk maintenance utilities locates and disposes of files that can be safely removed from a disk?
The disk maintenance utility that locates and disposes of files that can be safely removed from a disk is called a disk cleaner. A disk cleaner searches your computer for temporary and unnecessary files, such as temporary internet files, cookies, recently viewed files, and unused files in the Recycle Bin.
Then allows you to remove them. Removing these files can help free up disk space and improve system performance.
The disk maintenance utility that locates and disposes of files that can be safely removed from a disk is Disk Cleanup.Disk Cleanup is a built-in Windows utility that locates and eliminates unneeded files and folders from your hard drive to free up space.
You can use Disk Cleanup to reclaim space on your hard drive by getting rid of temporary files, offline web pages, installer files, and other types of system files that are no longer needed. It's also a good idea to use Disk Cleanup to get rid of files from applications that you're no longer using. By freeing up disk space, you may help your computer run more smoothly.
To open Disk Cleanup on a Windows computer, follow these steps:Open File ExplorerRight-click the drive you want to clean (usually the C: drive) and select Properties. Click the "Disk Cleanup" button on the General tab. In the Disk Cleanup window, select the files you want to delete, and then click OK.
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Given integer variables seedVal, smallestVal, and greatestVal, output a winning lottery ticket consisting of three random numbers in the range of smallestVal to greatestVal inclusive. End each output with a newline.
Ex: If smallestVal is 30 and greatestVal is 80, then one possible output is:
65
61
41
how do I code this in c++?
Answer:
Explanation:
Here's an example code in C++ that generates three random numbers within the range of smallestVal and greatestVal inclusive, using seedVal as the random seed:
#include <iostream>
#include <cstdlib>
#include <ctime>
using namespace std;
int main() {
int seedVal, smallestVal, greatestVal;
// get input values for seedVal, smallestVal, greatestVal
// set the random seed
srand(seedVal);
// generate three random numbers and output them
for (int i = 0; i < 3; i++) {
int randNum = rand() % (greatestVal - smallestVal + 1) + smallestVal;
cout << randNum << endl;
}
return 0;
}
In this code, the srand() function is used to set the random seed to seedVal, so that each time the program is run with the same seedVal, the same set of random numbers will be generated. The rand() function is then used to generate a random number within the range of smallestVal and greatestVal, and the result is output to the console using cout. The loop is used to generate three random numbers.
Which of the following lists the measuring devices that are needed to determine the change in momentum of the cart? Timer, mass balance, and meterstick.
Option-A : The measuring devices that are needed to determine the change in momentum of the cart are Timer, Motion Sensor, and Cart.
Momentum is the product of an object's mass and its velocity. It is denoted by the letter p and is expressed in units of kilogram-meters per second (kg · m/s). Momentum is a vector quantity, which means that it has both magnitude and direction. The direction of the momentum is the same as the direction of the velocity.The change in momentum of an object is determined by applying the principle of conservation of momentum.
According to the principle, if two objects interact, their combined momentum will remain constant as long as no external forces act on them. In other words, the total momentum of the system remains constant in the absence of external forces. Therefore, the momentum of one object can be used to determine the momentum of another object after a collision.The measuring devices that are needed to determine the change in momentum of the cart are Timer, Motion Sensor, and Cart. Thus,the correct answer is option-A:Timer.
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Identify the correct syntax to create a linked list of Integer values.
Group of answer choices
LinkedList<> linkedList = new Integer LinkedList;
LinkedList linkedList = new LinkedList (Integer);
LinkedList linkedList = new LinkedList();
Integer LinkedList linkedList = new LinkedList();
This statement creates a new LinkedList object that stores Integer values. LinkedList linkedList = new LinkedList().
How should a linked list be created using the correct code?Structure and pointers can be used to implement a linked list in C. struct LinkedList *next, struct LinkedList int data, and; Each node in the list is made using the aforementioned definition. The element is stored in the data field, and the following is a pointer to the address of the following node.
How is a linked list with values declared?Initially, a LinkedList of type String is declared. Next, to add values to the LinkedList, we utilise different iterations of the add method, such as add, andFirst, addLast, addAll, etc. Thus, we may add the component right.
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true/false. ubnet masks tell computers what part of an IP address is to be used to determine whether a destination is in the same subnet or in a different subnet.
The statement "subnet masks tell computers what part of an IP address is to be used to determine whether a destination is in the same subnet or in a different subnet" is true because a subnet mask is a sequence of numbers that serves as a border for network and host sections of an IP address.
To compare network and host information, IP addresses and subnet masks are frequently utilized. They're normally shown in "dotted decimal" format, such as 255.255.255.0, which signifies that the first three segments of an IP address are used to identify the network, while the final segment is used to identify the host.
IP addresses with the same network number are in the same network, according to the concept of subnets, which are separate networks that exist within a larger network.
The subnet mask is used to specify the network number and host number parts of the IP address. When a computer receives a packet from another computer on the same subnet, it recognizes that the packet came from a device on the same network because of the subnet mask.
When a packet is received from another computer on a different subnet, the computer sends the packet to the default gateway for forwarding.
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Given the following singly-linked list, what will be the value of the curNode's data after the second while loop iteration? students head dalom data Sam a null b. Tom c. Sam d. Tim 45) Which of the following is a linked list with a dummy node? I a head data: mul next data:ips data: Pasta net b. menu head null null list head data: 0 next data: 23 data: 12 met d. menu thead tail data Pina data Chips data Pasta
To answer this question, let's first look at what a singly-linked list is. It is a data structure where each element of the list contains a pointer to the next element in the list.
Here is an example of a singly-linked list:head -> A -> B -> C -> null Each element of the list is represented by a node. The first node in the list is called the head, and the last node in the list points to null. Each node contains a piece of data and a pointer to the next node in the list.Now let's look at the given linked list:head -> a -> null -> b -> Sam -> c -> Sam -> d -> Tim -> null We can see that the list contains four nodes: a, b, c, and d. The value of the cur Node's data after the first while loop iteration is "a", and after the second while loop iteration, it will be "b". This is because we are iterating through the list and checking each node's data against a given value. When we find a node with the given value, we delete it from the list. In the first iteration, we delete the node with the value "Sam", which is the second node in the list. After this deletion, the list looks like this:head -> a -> null -> b -> c -> Sam -> d -> Tim -> nullIn the second iteration, we delete the node with the value "Sam" again, which is the fifth node in the list. After this deletion, the list looks like this:Head -> a -> null -> b -> c -> d -> Tim -> null Therefore, the value of the cur Node's data after the second while loop iteration is "c". Now let's look at the second part of the question. A linked list with a dummy node is a linked list that contains a special node called a dummy node or a sentinel node. This node is not used to store any data, but it is used as a placeholder to simplify the code for certain operations. Here is an example of a linked list with a dummy node:head -> dummy -> A -> B -> C -> null The dummy node is the first node in the list, and it contains no data. Its purpose is to simplify the code for certain operations, such as deleting the first element in the list or inserting an element at the beginning of the list.for more such question on iteration
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during the shaping process, you closer steps to a target behavior and previous steps:
During the shaping process, steps are taken to move closer to the desired target behavior and away from the previous steps. Shaping is an operant conditioning technique used to gradually train a behavior.
In this process, a reward is given for behavior that approximates the desired behavior. Over time, the response is shaped into the desired behavior. For example, if an animal is trying to learn to jump, they can be rewarded for hopping up and down. Then, they can be rewarded for jumping higher.
Finally, the animal is rewarded for jumping over the obstacle. Each step brings the behavior closer to the desired outcome, the target behavior. When shaping, it is important to use reinforcement. Reinforcement helps to strengthen desired behaviors and should be used strategically.
Rewards should be given as soon as the desired behavior is demonstrated. The reward can be a treat, a toy, or a gesture like petting. Reinforcement helps the animal understand what behavior is desired and helps the animal move closer to the target behavior.
Shaping is a useful training technique that allows a behavior to be molded into the desired target behavior. Through the use of reinforcement and the gradual shaping of the behavior, the target behavior can be reached.
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Which of the following events or actions has a chance to call an IT security risk with business impact? O a. Infection of computers with a computer virus O b. Putting off antivirus software O c. Sharing a critical business password- encryption O d. All
Answer:
Explanation:
All of the options listed have a chance to call an IT security risk with business impact.
(a) Infection of computers with a computer virus can lead to the loss of data or system functionality, which can disrupt business operations and result in financial losses.
(b) Putting off antivirus software can increase the risk of malware infections, which can lead to data breaches, theft of sensitive information, and other security incidents.
(c) Sharing a critical business password without proper encryption can compromise the confidentiality and integrity of sensitive data, potentially resulting in data breaches and other security incidents.
Therefore, all of these actions have the potential to cause IT security risks with business impact, and organizations should take appropriate measures to mitigate these risks.
PLEASE DO THIS WITH PYTHON 3
Lab 4-2: Computing Tax
The United States federal personal income tax is calculated based on filing status and taxable income. There are four filing statuses: single filers, married filing jointly, married filing separately, and head of household. The tax rates vary every year. Table 3.2 shows the rates for 2009. If you are, say, single with a taxable income of $10,000, the first $8,350 is taxed at 10% and the other $1,650 is taxed at 15%. So, your tax is $1,082.5.
Table 1
2009 U.S. Federal Personal Tax Rates
Marginal Tax Rate
Single
Married Filing Jointly or Qualified Widow(er)
Married Filing Separately
Head of Household
10%
$0 – $8,350
$0 – $16,700
$0 – $8,350
$0 – $11,950
15%
$8,351– $33,950
$16,701 – $67,900
$8,351 – $33,950
$11,951 – $45,500
25%
$33,951 – $82,250
$67,901 – $137,050
$33,951 – $68,525
$45,501 – $117,450
28%
$82,251 – $171,550
$137,051 – $208,850
$68,525 – $104,425
$117,451 – $190,200
33%
$171,551 – $372,950
$208,851 – $372,950
$104,426 – $186,475
$190,201 - $372,950
35%
$372,951+
$372,951+
$186,476+
$372,951+
You are to write a program to compute personal income tax. Your program should prompt the user to enter the filing status and taxable income and compute the tax. Enter 0 for single filers, 1 for married filing jointly, 2 for married filing separately, and 3 for head of household.
Here are sample runs of the program:
Sample 1:
Enter the filing status: 0
Enter the taxable income: 100000
Tax is 21720.0
Sample 2:
Enter the filing status: 1
Enter the taxable income: 300339
Tax is 76932.87
Sample 3:
Enter the filing status: 2
Enter the taxable income: 123500
Tax is 29665.5
Sample 4:
Enter the filing status: 3
Enter the taxable income: 4545402
Tax is 1565250.7
Here's a Python 3 program that prompts the user to enter the filing status and taxable income, and computes the personal income tax based on the 2009 U.S. Federal Personal Tax Rates in Table 1:
# define the tax rates
tax_rates = [
[0.10, 0.15, 0.25, 0.28, 0.33, 0.35], # Single filers
[0.10, 0.15, 0.25, 0.28, 0.33, 0.35], # Married filing jointly
[0.10, 0.15, 0.25, 0.28, 0.33, 0.35], # Married filing separately
[0.10, 0.15, 0.25, 0.28, 0.33, 0.35] # Head of household]
# define the tax brackets
tax_brackets = [
[8350, 33950, 82250, 171550, 372950], # Single filers
[16700, 67900, 137050, 208850, 372950], # Married filing jointly
[8350, 33950, 68525, 104425, 186475], # Married filing separately
[11950, 45500, 117450, 190200, 372950] # Head of household]
# get input from user
filing_status = int(input("Enter the filing status: "))
taxable_income = float(input("Enter the taxable income: "))
# compute the tax
tax = 0
i = 0
while taxable_income > tax_brackets[filing_status][i]:
if i == 0:
tax += tax_brackets[filing_status][i] * tax_rates[filing_status][i]
else:
tax += (tax_brackets[filing_status][i] - tax_brackets[filing_status][i-1]) * tax_rates[filing_status][i]
i += 1
tax += (taxable_income - tax_brackets[filing_status][i-1]) * tax_rates[filing_status][i]
# display the tax
print("Tax is", format(tax, ".2f"))
The program defines the tax rates and tax brackets for each filing status as lists. It prompts the user to enter the filing status and taxable income. It then computes the tax by iterating through the tax brackets and adding the appropriate tax based on the tax rate for each bracket. Finally, it displays the tax.
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