Answer:
My research suggests that it is before and after.
You should contact your references before and after a job interview.
What is Interview?A planned interaction in which one party asks questions and the other responds is known as an interview. A one-on-one chat between an interviewer and an interviewee is referred to as a "interview" in everyday speech.
The interviewee answers the interviewer's questions by typically supplying information. Other audiences may utilize or receive that information right away or later.
This characteristic is common to many different types of interviews; even though there may not be any other people present during a job interview or an interview with a witness to an occurrence, the answers will still be given to other people later on in the hiring or investigative process.
Therefore, You should contact your references before and after a job interview.
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Manual analysis of logs is preferred, as it is more likely to identify abnormal activity
a. True
b. False
False manual log analysis is favored since it is more likely to spot unusual activities.
Does the system have access to this user's identify for security purposes?A security principal or security group can be identified specifically using a security identifier. Security principals can represent any entity that the operating system is capable of authenticating, including user accounts, computer accounts, and processes that are active within the security context of these accounts.
Which of the following does not constitute a good way to create a strong password?A term that is preceded or followed by a single number, or a single word, should be avoided. Hackers will try to guess your password using word lists and passwords that are frequently used.
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calculate the information gain when splitting on a and b. which attribute would the decision tree induction algorithm choose?calculate the gain in the gini index when splitting on a and b. which attribute would the decision tree induction algorithm choose?entropy and the gini index are both monotonously increasing on the range [0, 0.5] and they are both monotonously decreasing on the range [0.5, 1]. is it
By deducting the gain ratio of the splitting from the index of both the parent node, it is possible to determine the increase in the gain coefficient when dividing on a and b.
What is algorithm?
An algorithm is a set of instructions or steps that are designed to solve a problem or accomplish a task. It is an effective way of performing a task that can be repeated, with the same results each time. Algorithms are commonly used in computer programming and can range from simple to complex. They can be used to solve simple tasks such as sorting a list, to complex tasks such as playing a game of chess. Algorithms are also used in everyday life, such as when a person follows a recipe or drives to a destination. Algorithms help to make tasks easier and more efficient by breaking them down into smaller, manageable steps.
The information gain when splitting on a and b can be calculated by subtracting the entropy or gini index of the split from the entropy or gini index of the parent node. The attribute with the highest information gain would be chosen by the decision tree induction algorithm. The gain in the gini index when splitting on a and b can be calculated by subtracting the gini index of the split from the gini index of the parent node. The attribute with the highest gain in the gini index would be chosen by the decision tree induction algorithm. Yes, entropy and the gini index are both monotonously increasing on the range [0, 0.5] and monotonously decreasing on the range [0.5, 1].
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Intranets are private corporate networks extended to authorized users outside the organization. O False O True
"Intranets are private corporate networks extended to authorized users outside the organization" is false.
What are the corporate networks extended?Corporate networks vary from the group in that they retain formal relationships with one another through contracts (franchises, concessions, etc.) between both business units rather than through the use of financial linkages.
With an extended network, you are linked to another carrier's tower to receive service because your network does not contain any towers in that region.
Simply switch off Airplane Mode after a short period of time while keeping your smartphone in that mode.
"Intranets are private corporate networks extended to authorized users outside the organization" is false.
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What are the examples of desktop computer?
Workstations, personal computers, and networking equipment all fall under the category of desktop computing devices.
What is desktop computing devices?Desktop computers, mobile computers, and mobile handheld devices can all connect to the network. Regarding computational power, memory capacity, storage space, size, display area, and energy consumption, these devices have a wide range of requirements and constraints.Workstations, personal computers, and networking equipment all fall under the category of desktop computing devices. When linked to a fixed network, a workstation or desktop computer has few resource limits. Large processor power, memory capacity, disk drive size, and display space are all possible features of these systems. The main limitation for this kind of computer is the distant network connection, which is normally a modem when the system is utilized from a fixed remote location.The low cost and upkeep of a network computing (NC) device are its defining features. Because of this, the computer is lacking a CD-ROM drive, floppy disk drive, and hard disk. A standard desktop system's processing capacity is constrained, and memory sizes range from 16 MB to 128 MB in order to keep costs down. A network connection between the system and the server is required. For local use, the NC downloads the operating system and programs. These systems are priced between $500 and $1500. As of right now, NCs are produced by Intel/Microsoft, IBM, Oracle, and Sun [37].To Learn more About desktop computing devices refer to:
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Which of the following can be used to define which programs are allowed or disallowed in the system?
a.Software restriction policies
b.AppLocker
c.A network zone
d.Local policies
The programs that are permitted or prohibited on the system can be specified using AppLocker.
What kind of permissions are regarded as the most fundamental level of data security?The most fundamental data security measure in Windows 7 is the NTFS permissions. Users who are logged in are prevented from accessing files and directories they do not have read or write permission to by NTFS permissions. When you have physical access to the computer, getting around NTFS permissions is quite simple.
What security process logs particular operating system events in the security log?The security procedure known as auditing logs particular operating system events in the Security log as they occur.
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Who is responsible for applying CUI markings and dissemination instruction?
A. Authorized common access card (CAC) holder
B. Authorized NIPRnet (Non-classified Internet Protocol Router (IP) Network) system
C. Authorized system access administrator
D. Authorized holder of the information at the time of creation
Authorized holder of the information at the time of creation. is responsible for applying CUI markings and dissemination instruction
What is CUI?
A CUI (common user interface) is a user interface designed to provide a consistent way of interacting with a computer system, regardless of the underlying hardware or software technology. It is a graphical user interface (GUI) that provides a unified look and feel across all programs and devices, allowing users to easily access and use them. The CUI also simplifies the process of learning how to use a computer by providing a unified, intuitive way for users to interact with the system. The CUI can include windows, menus, buttons, icons, and other graphical elements that allow users to access and manipulate data.
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Describe the major components of a data warehouse.
Answer:
source system
Explanation:
source system
Does the FCC regulate the Internet?
No, The FCC does not regulate online content. However, The FCC does place some restrictions and duties on broadcasters.
What is FCC?The Federal Communications Commission (FCC) is a separate branch of the U.S. government that regulates all domestic and international communications. In order to safeguard the interests of both consumers and businesses, the FCC maintains standards and uniformity across media platforms and communication channels.
Cellular and wireless access are distributed, mergers and acquisitions (M&A) of media companies are governed, intellectual property rights are safeguarded, and distribution and content standards are regulated for all media companies doing business in the United States.
The Federal Communications Commission, an independent body that reports to the American government, is mentioned above. The Communications Act, a piece of legislation that governs both domestic and international wire and radio communications, included it when it was first established in 1934.
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What is primary and secondary value chain activities?
The value chain's core functions include inbound logistics, operating outbound logistics, marketing and sales, and service.
What are the two types of value chain activities? Infrastructure management, human resource management, and purchasing are examples of secondary or support tasks. Inbound logistics, operation outbound logistics, marketing and sales, and service are among the value chain's key tasks.Infrastructure for the business, management of the human resources, and purchasing are considered secondary or support operations.The value chain's core functions include inbound logistics, operating outbound logistics, marketing and sales, and service. Inbound logistics, operations, outbound logistics, marketing and sales, and services are the five major (main) activities that produce increased earnings.Plan, Source, Make, Deliver, and Return are the five processes that make up the model's top level and are also referred to as its five supply chain management components.To learn more about chain activities refer
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What role does the mass media play in the US political system ?
The mass media monitors government actions as watchdogs and gives people, a platform for political expression.
What is the role of mass media in the US political system ?The government places no limits on the ability of the media to disseminate information and viewpoints. The media serves as a watchdog on government and political actors' acts, as well as serving as a forum for candidates, legislators, and members of the public to debate current political problems and events. The news media is where people learn about politics, current affairs, government policy, political candidates, and political parties.In order to publish news in the public interest, journalists look for accuracy, the confirmation of their sources, eyewitnesses to events, and reliable organizations. The motivation of for-profit media is to write/cover news that audiences demand mostly like dramatic or conflicting issues. Minority voices struggle to get their opinions out there since a single firm controls so many influential and well-known media outlets.To learn more about Mass media, refer:
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which layer 1 troubleshooting issue can occur from not carefully ensuring compatibility with cable type and wavelength in use?
If the compatibility with the cable type and wavelength in use is not carefully checked, transmitter mismatch layer 1 troubleshooting issues may develop.
What are the initial three measures you take to resolve an Internet-related problem?If you are having trouble with your internet signal, you should restart your modem and router right away. Do not omit this phase! Since it frequently resolves the issue, this is nearly always what tech support will advise you to try first.
What is the first and simplest action you can take to fix the majority of computer issues?Check the cables frequently: An easy first step to take if you're experiencing issues with a particular piece of computer hardware, such your keyboard or monitor, is to make sure all linked cables are in good condition. They are suitably linked. Restart the computer: Restarting the computer is a solid option to attempt if all else fails.
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Question:
Which Layer 1 troubleshooting issue can occur from not carefully ensuring compatibility with cable type and wavelength in use?
A) Transceiver mismatch
B) Crosstalk
C) dB loss
D) Opens and shorts
india and china have the largest number of internet users overall, so there is a big opportunity.
Answer:
India and China are indeed two of the countries with the largest number of internet users in the world. According to data from the International Telecommunication Union (ITU), as of 2021, India had about 560 million internet users, making it the second-largest market for internet users after China, which had about 904 million internet users.
The large number of internet users in these countries presents a significant opportunity for businesses, as it means that there is a large potential market for products and services that are offered online. Companies that are able to effectively reach and engage with these users can potentially see significant growth in their businesses.
However, it's important to note that just because a country has a large number of internet users doesn't automatically mean that it is a good market for a particular product or service. Companies need to carefully consider the specific needs and preferences of the target market in each country and adapt their offerings accordingly.
Explanation:
rachel has taken over as a systems administrator of creative network, which has a network of 300 computers in two different domains. rachel has been instructed by the ceo to ensure all employees have access to a certain set of folders on the server. the individual workstations may have the personal data of employees in a particular folder. she was informed that there have been previous instances where employees misused the machines. what policy should rachel be setting in individual user machines and servers? a. rachel should set the least functionality for the server to the users and administrative control on individual desktops. b. rachel should set administrative functionality for the server to the users and least functionality on the individual desktops. c. rachel should set the least functionality for both servers and user desktops. d. rachel should set no access for the server and set administrative rights on desktops.
The policy that Rachel should set in individual user machines and servers is that Rachel should set the least functionality for both servers and user desktops.
Rachel should set the least functionality for both servers and user desktops in order to protect the network and its users. Setting the least functionality means setting the lowest level of access and permissions that are necessary for users to perform their tasks. This helps to prevent users from accidentally or intentionally accessing or modifying sensitive data or system settings.
Option a. Rachel should set the least functionality for the server to the users and administrative control on individual desktops is incorrect because it would give users too much control over the server.
Option b. Rachel should set administrative functionality for the server to the users and the least functionality on the individual desktops is incorrect because it would give users too much control over the server and the workstations.
Option d. Rachel should set no access for the server and setting administrative rights on desktops is incorrect because it would deny users access to the server, which would likely be necessary for them to perform their tasks. It would also give users too much control over the workstations.
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Question 2
The following spinner is used in a game. The region labeled "blue" represents of the spinner. The regions labeled "orange" and "purple" are equal in size.
orange
Which of the following code segments can be used to simulate the behavior of the spinner?
Select two answers.
IF RANDOM 4-E
DISPLAY "blue"
blue
purple
Answer:
blue
Explanation:
the code has DISPLAY which means show and then blue so, it will show blue
Blue. The code has DISPLAY which means show and then blue so, it will show blue.
What is the behavior of spinner?A chic wheel spinner with many features and customizability. Simply enter your inputs, turn the wheel, and receive your random outcome.
Picker Wheel is a simple random picker that just requires three primary actions. Put inputs in, let the wheel spin, and get the outcome. It contains a lot of features that make making decisions enjoyable.
Your inputs are simply entered, and the spinning wheel produces a random response. The sophisticated algorithm that powers the wheel spinner will provide you with the most equitable result.
Therefore, Blue. The code has DISPLAY which means show and then blue so, it will show blue.
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Is desktop better than computer?
Only desktop PCs have the highest level of performance. And you should expect to pay substantially more for the same performance if you want a laptop with specifications comparable to those of a desktop.
What Is it better to have a laptop or desktop?Computing equipment are still often categorized according to their intended use: Users who are constantly on the run should use laptops. They provide hours of battery life in addition to the performance and responsiveness needed to enable immersive experiences that keep you working wherever you are. For heavy users, desktops are best.The capabilities and capability of desktop computers are greater. The cost and difficulty of upgrading desktop PCs are lower. The overall cost of desktop computers is typically lower and they are a better bargain. The mouse and keyboard on desktop computers are far more user-friendly.The answer is that desktop computers typically use full-size parts that are frequently more powerful than equivalent components made for laptops. In terms of CPUs and total computer speed, it stands out in particular.To Learn more About desktop PCs refer to:
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which term describes a method that enables an administrator to limit access to a network based on the physical addresses of wireless nics?
Using a method called MAC address filtering, a network administrator can limit access to a network based on the physical addresses of wireless NICs.
What is MAC address filtering?An administrator can restrict access to a network based on the physical addresses of wireless NICs using a technique known as MAC address filtering.
MAC filtering is typically located in the settings under Advanced Settings, Security, Access Control, or a section that is similar to these.
The precise location will depend on the router's brand.
There are two filtering options available for you to select from inside: Use a blacklist to block access to particular MAC addresses.
A MAC address filter gives the illusion of security but offers no true protection.
Therefore, it ought to be regarded as dangerous.
Use WPA2 to restrict access to certain devices if necessary.
Therefore, using a method called MAC address filtering, a network administrator can limit access to a network based on the physical addresses of wireless NICs.
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An algorithm is a guiding rule used to solve problems or make decisions.
true
false
Answer:
False
Explanation:
An algorithm is NOT a guiding rule used to solve problems or make decisions.
rafael needs to run a query that will show the name and city of all his clients. which of the following phrases will determine which fields are returned in the query? a. from name, city b. select name, city c. values name, city d. where name, city
The phrase that will determine which fields are returned in the query is select name, city. The correct option is b.
What is a query in a database?A query might ask your database for data results, a specific action to be taken with the data, or both.
A query can add, alter, or remove data from a database, conduct computations, integrate data from other databases, and answer simple questions.
When organising vast amounts of complicated and varied data, non-relational databases are frequently used. Select name, city is the expression that will determine which fields are returned by the query.
Thus, the correct option is b.
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due to a coding problem at the phone company, jane m's name keeps getting added to the no call list when she should not be there. write a method that will check to see if jane m is in the map. if she is, remove her from the map. otherwise, do nothing.
In programming, a method is a self-contained block of code that performs a specific task. It is typically defined as part of a class
What is method in programming ?Methods are often used to implement reusable pieces of code that can be called multiple times from different parts of a program, which helps to make the code more modular and easier to maintain. In most programming languages, methods can accept parameters and return values, which allows them to be customized and to provide information to the caller.This method accepts a Map object that contains the phone numbers and names of the people on the no call list. If the Map contains an entry for "Jane M", the method will remove that entry from the Map. If "Jane M" is not in the Map, the method will do nothing.public void removeJaneM(Map<String, String> phoneList) {
if (phoneList.containsKey("Jane M")) {
phoneList.remove("Jane M");
}
}
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What are some examples of removable media?
Some examples of removable media are USB flash drives, memory cards, and external hard drives. These types of media can be easily removed or inserted into a computer or other device, allowing users to transfer data or files from one device to another.
which policy provides guidance to network components in regard to conceptual design, utilization and support, phase-out, and disposal?
The system life cycle is used to guide network component conceptual design, use and support, phase-out, and disposal.
What is the System life cycle?A conceptual model for project management known as the systems development life cycle (SDLC) details the phases of an information system development project, from the early phase of a feasibility study to the ongoing maintenance of the finished application.
Both technical and non-technical systems can use SDLC.
Network components are guided by the system life cycle in terms of conceptual design, use and support, phase-out, and disposal.
A system can be made up of only software, only hardware, or a combination of both, hence the systems development life cycle idea is applicable to a variety of hardware and software combinations.
Requirement analysis, design, development and testing, implementation, documentation, and assessment are the typical six phases of this cycle.
Therefore, the system life cycle is used to guide network component conceptual design, use and support, phase-out, and disposal.
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Bergamot Urgent Care Clinic
FORMATTING WORKBOOK TEXT AND DATA
GETTING STARTED
Open the file NP_EX19_2a_FirstLastName_1.xlsx, available for download
Save the file as NP_EX19_2a_FirstLastName_2.xlsx by changing the "1" to a "2".
If you do not see the .xlsx file extension in the Save As dialog box, do not type it. The program will add the file extension for you automatically.
With the file NP_EX19_2a_FirstLastName_2.xlsx still open, ensure that your first and last name is displayed in cell B6 of the Documentation sheet.
If cell B6 does not display your name, delete the file and download a new copy from the SAM website.
PROJECT STEPS
Jennifer Williams is the business manager at the Bergamot Urgent Care Clinic. Jennifer is adding formatting to the workbook she uses to track statistics on patient visits to make it easier to read and use. Change the theme of the workbook to Office.
Switch to the Visits worksheet and then format the headings. Merge and Center the range A1:H1.
Apply the Heading 1 style to the range A1:H1.
Merge and Center the range A2:H2.
Next, Jennifer needs to format the report dates. Change the background color of the range A4:B5 to Gray, Accent 3, Lighter 80% (7th column, 2nd row of the Theme Colors palette).
Format the range A4:A5 as bold.
Format the range B4:B5 to use a date format with a two-digit month, a two-digit day, and a two-digit year (e.g., 09/26/21).
She also wants to format the table headings. Format the range A7:H8 as italic.
Apply horizontal centering to the contents of each cell in the range A7:H8.
Change the background color of the range A7:H7 to Orange, Accent 2, Lighter 60% (6th column, 3rd row of the Theme Colors palette).
Change the background color of the ranges B8:D8 and F8:H8 to Orange, Accent 2, Lighter 40% (6th column, 4th row of the Theme Colors palette).
Merge and Center the range A7:A8 and then center the contents of the merged cell vertically.
Merge and Center the range E7:E8 and then center the contents of the merged cell vertically.
Merge and Center the range B7:D7 and then Merge and Center the range F7:H7.
Jennifer would like to spruce up the table data. Change the background color of the range A10:H10 to White, Background 1, Darker 5% (1st column, 2nd row of the Theme Colors palette) and then repeat for the range A12:H12.
In the range F9:H12, apply the Percentage number format with zero decimal places.
Use the Highlight Cells Rules conditional formatting to format cells in the range G9:G12 with a value less than 6% using Light Red Fill with Dark Red Text.
For the merged range A17:A23, rotate the cell contents to 0 degrees and then change the indent to 2.
Find and replace all instances of the text "Ins" with Insurance, not including any punctuation. (Hint: You should find and replace two instances.)
Finally, she needs to format the workbook for printing. Insert a page break to start a new page at row 14.
Set the margins to Narrow.
Set rows 1 and 2 as print titles.
Create a custom footer for the worksheet. In the left footer section, display the current page number using a Header and Footer element. In the center footer section, display the Sheet Name using a Header and Footer element.
Save your changes, close the workbook, and then exit Excel.
To change the header or footer, select Custom Header or Custom Footer. To add the header or footer information you desire in the Left, Center, or Right section, click the Left, Center, or Right section box, followed by any of the buttons.
What Sheet Name using a Header and Footer element?Click Custom Header or Custom Footer in the Page Setup dialog box's Header/Footer tab. Select the Left section, Center section, or Right section boxes to determine where you want the page number to appear in the header or footer. In the chosen section, the placeholder &[Page] appears.
Therefore, Then select Header and Footer from the Insert menu. Depending on where you want the date or time to appear, click in the Left, Center, or Right areas of the Header or Footer.
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Which of the following commands will send 4 ICMP echo requests to a remote host named server1 to determine the round trip time it takes a packet to travel?
a. ping -4 server1
b. ping server1 ping
c 4 server1 ping
d. n 4 server1
With the ping -4 server1 command, you may find out how long it takes a packet to go around the world by sending 4 ICMP echo requests to server1, a distant site.
Data is divided into tiny units known as packets as it leaves your computer. In essence, these packets are tiny envelopes that transport data via the Internet.
The events that take place while one of these packets travels from one side of the Internet to the other will be explained in this article series. We'll examine every component and procedure a packet goes through as it traverses the Internet.
We'll look at some background data on each individual aspect of network communication first. After that, we'll examine each function's specific gadgets in more detail. Then, as we examine everything that occurs for communication to occur between two computers with various linked devices, we will tie everything together.
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fossil fuels form in what type of environments? selected answer will be automatically saved. for keyboard navigation, press up/down arrow keys to select an answer. a oxygenated b aerobic c anaerobic d semi-aerobic
Fossil fuels form in this type of environments: C. anaerobic.
What is non-renewable resource?In Science, a non-renewable resource can be defined as an energy source that generally takes a very long time to be created or an energy source whose creation happened a long time ago and isn't likely to happen again in the future.
Additionally, a non-renewable resource simply refers to an energy source that is both inexhaustible and irreplaceable such as the following:
UraniumCoalFossil fuelCrude oil (petroleum)In conclusion, fossil fuels typically forms during the anaerobic decomposition of buried dead organisms, which comprises organic molecules that are created through photosynthesis.
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3. Read the following scenarios carefully. Select a suitable storage device for each
situation. Make sure to justify your choice by talking about the characteristics of your
chosen storage device such as Capacity, Speed, Portability, Durability and
Reliability.
(b) "A school is planning a new 30 desktop PC computer suite. The school has limited
funds available. The PCs will have a lot of different software installed as well as an
operating system and multiple students' profiles."
Answer:
use ssd
Explanation:
ssd is fast
if you have limited fund
then hard drive is good not for speed but for data capacity
Subscripting always starts with ________.
it is an Arraysize-1 index that always starts at zero. If arrasize is 100, the range of the array's index or subscript is 0 to 99. Most languages, including C, C++, Java, C#, etc., adhere to this norm.
Using subscripts to provide table references is known as subscripting. A subscript is a positive integer whose value identifies the quantity of times a table element appears in the table.
Any qualifiers for the name of the table element are written after the subscripts, which are wrapped in parentheses. Such a reference must have an equivalent number of subscripts as there are dimensions in the table whose element is being referred. In other words, every OCCURS clause in the hierarchy that contains the data-name, including the data-name itself, must have a subscript.
When more than one subscript is necessary, they are expressed in the order of the data organization's increasingly less inclusive dimensions. Considering a multidimensional table as a collection of stacked
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In a data warehouse that uses a dimensional design, a studentid column is found in which table?
A dimension table is a table in a data warehouse's star schema. A dimension table keeps the dimensions or qualities that define the items in a fact table. In data warehousing, a dimension is a group of references data about a quantifiable event.
What exactly do a fact table and a dimension table do?A dimension table contains information on the various ways the fact table's data can be studied, while a fact table contains the data that will be evaluated.
An explanation of Type 2 dimension tablesBecause it allows you to track historically important features, type 2 is the most popular sort of slowly changing dimension.
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challenge program:
Create a class called MathTrick in the newly created project folder.
Complete the static methods in the starter code.
Utilize Math.random() and any other methods from the Math class as needed.
Utilize .substring() where appropriate.
Each method should return a value of the correct data type.
Call the completed static methods in the main method to complete a program that does the following:
Generate a random 3-digit number so that the first and third digits differ by more than one.
Now reverse the digits to form a second number.
Subtract the smaller number from the larger one.
Now reverse the digits in the answer you got in step c and add it to that number (String methods must be used to solve).
Multiply by one million.
Subtract 733,361,573.
Hint: since replaceLtr is expecting a String, you should use String.valueOf(number) to create a String variable from the integer variable before step g.
Then, replace each of the digits in your answer, with the letter it corresponds to using the following table:
0 --> Y
1 --> M
2 --> P
3 --> L
4 --> R
5 --> O
6 --> F
7 --> A
8 --> I
9 --> B
Now reverse the letters in the string to read your message backward.
Open the StarterCode407.java(shown below) file to begin your program.
Notice that these instructions double as pseudocode and including pseudocode in a program provides documentation.
/**
* This Math trick and many more can be found at: http://www.pleacher.com/handley/puzzles/mtricks.html
*
*/
public class MathTrick {
// Step 1) Creates a random 3-digit number where the first and third digits differ by more than one
// Hint: use modulus for the last digit and divide by 100 for the first digit.
public static int getRandomNum()
{ int num = 0;
int firstDigit = 0;
int lastDigit = 0;
// complete the method
return num;
}
// Step 2 & 4) reverse the digits of a number
public static int reverseDigits (int num) {
// complete the method
}
// Step 7) replace characters in a string according to the chart
public static String replaceLtr(String str)
{
// complete the method
}
// Step 8) reverse the letters in a string
public static String reverseString(String str) {
// complete the method
}
public static void main(String[] args)
{
// 1. Generate a random 3-digit number so that the first and third digits differ by more than one.
// 2. Now reverse the digits to form a second number.
// 3. Subtract the smaller number from the larger one.
// 4. Now reverse the digits in the answer you got in step 3 and add it to that number.
// 5. Multiply by one million.
// 6. Subtract 733,361,573.
// 7. Then, replace each of the digits in your answer, with the letter it corresponds to using the table in the instructions.
// 8. Now reverse the letters in the string to read your message backward.
} // end main
} // end class
Here is the solution to the MathTrick program:
public class MathTrick {
// Step 1) Creates a random 3-digit number where the first and third digits differ by more than one
// Hint: use modulus for the last digit and divide by 100 for the first digit.
public static int getRandomNum() {
int num = 0;
int firstDigit = 0;
int lastDigit = 0;
// complete the method
firstDigit = (int)(Math.random() * 9) + 1; // generates a random number from 1 to 9
lastDigit = (firstDigit + (int)(Math.random() * 3) + 2) % 10; // generates a random number from 2 to 4 more than firstDigit, and takes the modulus to ensure it is a single digit
num = Integer.parseInt(String.valueOf(firstDigit) + "0" + String.valueOf(lastDigit)); // concatenates the first and last digits to form a 3-digit number
return num;
}
// Step 2 & 4) reverse the digits of a number
public static int reverseDigits (int num) {
// complete the method
String numStr = String.valueOf(num); // convert num to a string
numStr = new StringBuilder(numStr).reverse().toString(); // reverse the string using a StringBuilder
return Integer.parseInt(numStr); // convert the reversed string back to an integer and return it
}
// Step 7) replace characters in a string according to the chart
public static String replaceLtr(String str) {
// complete the method
str = str.replace('0', 'Y');
str = str.replace('1', 'M');
str = str.replace('2', 'P');
str = str.replace('3', 'L');
str = str.replace('4', 'R');
str = str.replace('5', 'O');
str = str.replace('6', 'F');
str = str.replace('7', 'A');
str = str.replace('8', 'I');
str = str.replace('9', 'B');
return str;
}
// Step 8) reverse the letters in a string
public static String reverseString(String str) {
// complete the method
return new StringBuilder(str).reverse().toString(); // reverse the string using a StringBuilder
}
public static void main(String[] args) {
// 1. Generate a random 3-digit number so that the first and third digits differ by more than one.
int num1 = getRandomNum();
// 2. Now reverse the digits to form a second number.
int num2 = reverseDigits(num1);
// 3. Subtract the smaller number from the larger one.
int result = Math.max(num1, num2) - Math.min(num1, num2);
// 4. Now reverse the digits in the answer you got in step 3 and add it to that number.
result += reverseDigits(result);
// 5. Multiply by one million.
result *= 1000000;
// 6. Subtract 733,361,573.
The MathTrick program is a program that generates a random 3-digit number where the first and third digits differ by more than one, then reverses the digits to form a second number. It then subtracts the smaller number from the larger one, reverses the digits in the answer and adds it to that number, multiplies the result by one million, and finally subtracts 733,361,573. It also includes methods to replace the digits in the final result with letters according to a given chart, and to reverse the letters in a string. The program is meant to demonstrate the use of various methods from the Math class and the String class in Java.
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1. describe an algorithm that takes as input a list of n distinct integers and finds the location of the largest even integer in the list or returns 0 if there are no even integers in the list.
We call the algorithm "largesteven2" and the input is a list of n integers.
What is integers?An integer is the number zero, a positive natural number or a negative integer with a minus sign. The negative numbers are the additive inverses of the corresponding positive numbers. In the language of mathematics, the set of integers is often denoted by the boldface Z or blackboard bold \mathbb {Z}.An integer (pronounced IN-tuh-jer) is a whole number (not a fractional number) that can be positive, negative, or zero. Examples of integers are: -5, 1, 5, 8 etc..To learn more about fractional numbers refer to:
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What is the effect that occurs when moving from one slide to another in a presentation
The effect that occurs when moving from one slide to another in a presentation is known as Slide transition. Thus, the correct option for this question is C.
What is a Slide presentation?Slide presentation may be defined as a series of presentations of photographic slides, or images on a transparent base, placed in a projector and viewed sequentially on a screen.
A slide transition is a visual effect that occurs when you move from one slide to the next during a presentation. You can control the speed, add sound, and customize the look of transition effects.
Therefore a slide transition is an effect that occurs when moving from one slide to another in a presentation. Thus, the correct option for this question is C.
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