The tree.tostring() evaluate to after the statement tree. remove(2); is [birch, oak]. The correct option is A.
What is an Array List instance?Java's Array List is used to hold collections of elements that change in size dynamically. An Array List automatically expands in size when new elements are added to it, unlike Arrays, which have a fixed size. Java's collection foundation includes Array List, which implements the List interface.
A comma-separated set of constant expressions encased in braces () serves as an array's initializer. An equal sign (=) is placed in front of the initializer. Not every element in an array needs to be initialised.
Therefore, the correct option is A, [birch, oak].
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in linux and other unix-based operating systems, which of the following is not considered a classification of users in connection with each file?
UNIX is a multi-user operating system, which is a collection of applications that manages a computer and allows users to interact with its hardware and software.
What is Unix is used for?Internet servers, workstations, and mainframe computers all often used UNIX. The key characteristics of UNIX were its portability, multitasking, multiuser, large software library, and hierarchical file system.The original AT&T Unix, whose development began in 1969 at the Bell Labs research centre by Ken Thompson, Dennis Ritchie, and others, is the ancestor of the Unix family of multitasking, multiuser computer operating systems.The Linux operating system is a continuation of the Unix design principles. The most well-known and robust direct descendants of Unix are Linux distributions.According to POSIX, the seven standard Unix file types are regular, directory, symbolic link, FIFO special, block special, character special, and socket.To learn more about UNIX refer :
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Which two methods can be used to delete a table from a query once the user has clicked on the table?
a. right-clicking and selecting Delete, or clicking Delete on the keyboard
b. right-clicking and selecting Remove Table, or clicking Delete on the keyboard
c. right-clicking and selecting Delete, or clicking the space bar on the keyboard
d. right-clicking and selecting Remove Table, or clicking the space bar on the keyboard
The two methods can be used to delete a table from a query once the user has clicked on the table are: "right-clicking and selecting Delete, or clicking Delete on the keyboard" (Option A)
What is a Query?Simply open the table in Datasheet view, pick the fields (columns) or records (rows) you wish to delete, and then hit DELETE. It should be noted that the material in this article is only meant to be used with desktop databases. In Access web applications, you cannot remove or amend queries.
A query is an information or data request from a database table or databases. This data can be generated as Structured Query Language (SQL) outputs or as pictorials, graphs, or more complex results, such as trend analysis, utilizing data-mining tools.
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When creating a time series–based forecast for the amount of soda to be sold in the cafeteria next week, which data sources can you include in your forecasting process?.
We can include "old demand data" data source in the forecasting process while creating a time series–based forecast for the amount of soda to be sold in the cafeteria in the next week.
What is Data Source?
A data source can be the initial location where data is created or where physical information is first digitized, but even the most refined data can serve as a source if another process accesses and uses it. A database, a flat file, live measurements from physical devices, scraped web data, or any of the numerous static and streaming data services available on the internet are all examples of data sources.
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What is the correct port number that should be used with the winscp or cyberduck secure file transfer program?.
Popular FTP and SFTP software for Windows is called WinSCP.
What purposes does WinSCP serve?WinSCP is a Windows SFTP, FTP, WebDAV, S3, and SCP client that is open source and free.File transfers between local and distant computers are its principal purpose.Beyond this, WinSCP provides scripting and fundamental file manager features.Popular SFTP and FTP clients for Windows include WinSCP! Using the file transfer protocols FTP, FTPS, SCP, SFTP, WebDAV, or S3, copy files between a local computer and distant servers.WinSCP allows you to establish connections to servers running SSH (Secure Shell) that support SFTP (SSH File Transfer Protocol), SCP (Secure Copy Protocol), FTP (File Transfer Protocol), HTTP servers that support WebDAV, and storage systems that use the S3 protocol.To learn more about SFTP refer to:
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routers can communicate with each other through dynamic or static routing. a dynamic routing protocol, such as protocol, such as (rip, ospf, bgp, and so on) learns about its directly connected routes and then forwards that information to its directly connected routers, or in more complex environments, to other routers configured in the same process. static routing is performed on the router by a network administrator manually configuring static routes. these routes tell the router which interface or next hop router to use to get to a specific destination network. answer the following question(s): a) given the manual nature of static routing, why would it be used on a network rather than dynamic routing? explain your answer.
For networks with more constant or static routing patterns, static routing can be used. Dynamic routing methods do not require regular updating of routing tables, which might be time-consuming.
How does protocol work?
The most common type of protocol employed in the planning and execution of an experiment is a set based on what works. Every time it is desirable to standardize a laboratory procedure to ensure effective replication of results by additional labs within the same facility or in other institutions, protocols are written. Protocols also gain from facilitating peer review, which is another method for assessing the results of studies. Protocols will include detailed guidance, equipment, and equipment in addition to study objectives, a description of the experiment, the selection of large samples, and safety measures.
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assume that you work in a company with a firewall configured to protect the internal network from the outside internet. ask your students whether they recommend installing and configuring personal firewalls on all company workstations. why or why not?
Yes, it is recommeded to install and configure personal firewalls on all company workstations.
Computer network security breaches are frequently in the news, and those that are victims must pay millions of dollars. It's crucial to protect your assets and system. However, it can be challenging to comprehend how to secure a network effectively, particularly for small- and medium-sized businesses without a full-time IT staff.
To secure their data and create more impenetrable defense against hackers and viruses, company owners can fortunately deploy firewall as one of the best practices for computer network security today.
A firewall is designed to prevent unauthorized access to networks and computers. A firewall is essentially a set of rules that regulates both incoming and outgoing network traffic. Access is provided to computers and networks that comply with these criteria, while those that don't are walled off.
The most recent firewalls are integrated network security solutions, which include a variety of strategies and encryption techniques to guard against breaches and malicious activities. Firewalls are evolving along with hackers' sophistication.
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which element did the wi-fi developers create to use as another level of naming to apply to the bss or ibss to help the connection happen?
Service Set Identifier (SSID) is the element that the wi-fi developers create to use as another level of naming to apply to the bss or ibss to help the connection happen.
What is a wi-fi?To connect computers, tablets, smartphones, and other devices to the internet, Wi-Fi is a wireless technology that is used.
Wi-Fi refers to a radio signal that is transmitted from a wireless router to a nearby device, which then converts the signal into information that can be seen and used. To the router, which is wired or connected via cable to the internet, the device sends a radio signal back.
In a nutshell, a Wi-Fi network is just a wireless router that distributes an internet connection to a number of devices in a building or home. The router, which is directly connected to your internet modem, serves as a hub to disseminate the internet signal to all of your Wi-Fi capable devices. As long as you are in your network's service area, this gives you the freedom to stay connected to the internet.
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Open the TotalFees query in Design View. Modify the query by creating a calculated field that sums the total of RegistrationFee, GuestFee, and WorkshopFee. Use TotalFees as the name of the calculated field. Save the query. Open the query in Datasheet View and then close it.
In the query, our eventual task is to get the GPA for each of the students. This will be Sum(PointValue*CreditHours)/Sum(CreditHours)
What are the steps needed?Simply follow these steps to add a calculated field to a table.
In Design View, create a new table or open an existing one.
In the first empty row of column names, enter a name for your calculated field.
For this new column, select the Calculated data type. Access should now automatically launch the Expression Builder. The following steps are only necessary if you closed the Expression Builder before finishing entering the expression.
Find the line Expression in the Field Properties, tab General. Select the button with three dots.
Create the expression needed for your calculation using the Expression Builder dialog.
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which type of communication path-sharing technology do all 802.11 standards for wireless networking support?
Path sharing in 802.11 standards is accomplished via the Ethernet protocol and CSMA/CA.
Where is Ethernet protocol used?Ethernet is still a widely used type of network connection and is used to link devices in a network. Ethernet is utilized for local networks because of its high speed, security, and dependability in places where it is specifically needed, including corporate offices, campuses of educational institutions, and hospitals.The common LAN technology is the Ethernet protocol. Local area networks based on standard Ethernet can send data at up to 10 Mbps per second. With data transmission speeds up to 100 Mbps, new Ethernet cards known as Fast Ethernet represent high-speed LAN technology.To learn more about Ethernet refer,
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after reviewing your pie chart, you realize that it could be improved. how do you make this chart more effective? 1 point write a longer title to add more detail about the data the pie chart contains remove the labels for the number of miles per charge consumers will require before purchasing an electric vehicle add an x-axis and y-axis to provide additional explanation about the data resize the pie segments so they visually show the different values
After reviewing your pie chart, you realize that it could be improved. The way that you can make this chart more effective is option B: Resize the pie segments so they visually show the different values
How should a pie chart be explained?A graphical representation method known as a pie chart shows data as a graph with a circular form. It is a static composite chart that performs best when there are few variables. Pie charts are frequently used to display sample data, where each data point represents a mix of various categories.
Therefore, by resizing the above situation, you should resize the pie segments in this graph to more clearly illustrate the various values. The audience will be wonder if the segments are all the same size but represent various values.
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After creating data visualizations about the current state of the electric vehicle market, you turn to projections. You want to communicate to stakeholders about the importance of longer vehicle battery range to consumers.
Your team analyzes data from a consumer survey that investigated the importance of longer battery range when choosing whether to purchase an electric car. The current average battery range is about 210 miles. By 2025, that distance is expected to grow to 450 miles per charge.
You create the following pie chart:
After reviewing your pie chart, you realize that it could be improved. How do you make this chart more effective?
Single Choice Question. Please Choose The Correct Option ✔
A
Add an x-axis and y-axis to provide additional explanation about the data
B
Resize the pie segments so they visually show the different values
C
Write a longer title to add more detail about the data the pie chart contains
D
Remove the labels for the number of miles per charge consumers will require before purchasing an electric vehicle
are seen as the driving forces of motivating a client toward certain activities and provide an individual's fundamental sense of identity, according to ltcc model.
Core goals are seen as the driving forces of motivating a client toward certain activities and provide an individual's fundamental sense of identity, according to LTCC model.
What is LTCC model?LTCC technology uses ceramic substrate tapes or sheets to create multilayer circuits. Each sheet or tape is coated with the appropriate conductive, dielectric, and resistive pastes before being laminated together and fired (often in a carefully regulated oven or kiln) in one step.
The end result is a monolithic, hermetic structure. A typical LTCC model is made up of multiple dielectric layers, low-loss conductors that have been screen-printed or photographed, baluns, resistors, and capacitors that are embedded, as well as viaholes for connecting the various layers.
Before firing, each layer can be checked to replace any circuits that are damaged, increasing yield.
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which of the following is true about subtype entities? group of answer choices all subtypes must be exclusive. all subtypes must be inclusive. if subtypes are exclusive, one supertype can relate to one or more subtypes. a subtype entity is a special case of a supertype entity.
The option that is true about subtype entities is option B: All subtypes of a supertype must have the same attributes.
What are the characteristics required for subtypes?
The Definitions must be used to support subtypes and supertypes. Attributes can exist for both supertypes and subtypes. Subtypes are given properties specific to them; common attributes are also given to those subtypes.
Hence, one should know that a supertype's subtypes must share the same characteristics. Subtypes might not coexist. To prevent a situation where some properties must be null, subtypes are employed.
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Which of the following is not true about subtype entities?
The supertype and subtypes will have the same identifier.
All subtypes of a supertype must have the same attributes.
Subtypes may be exclusive.
Subtypes are used to avoid a situation in which some attributes are required to be null.
Which network device would be the most appropriate to provide stateful packet filtering, email filtering, and vpn services?
A Universal Threat Management (UTM) device is a multipurpose security tool that may act as a VPN connection point for remote users as well as a firewall, proxy filter, email filter, and network access control service provider.
In the past, businesses have used a variety of point security technologies to counteract particular cybersecurity threats. A company might have a separate firewall, antivirus software, etc. Because a UTM solution can handle a variety of network security tasks in a single appliance, it reduces the requirement for this group of independent solutions.
At the network perimeter, unified threat management tools are set up to scan all incoming and outgoing data. The UTM system gains the required visibility into network packets via deep packet inspection (DPI), allowing it to identify inbound threats and deny web requests to inappropriate or dangerous websites. A security team can also control each of these aspects using a single dashboard that UTM offers.
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What questions should be considered when evaluating the reliability of a website? (site 1).
what can be configured to allow secure remote connections to web applications without requiring a vpn? 1 point
Without a VPN, a reverse proxy server can be set up to allow secure remote connections to online applications.
VPN: What is it?
The term "Virtual Private Network," or VPN, refers to the chance of creating a secure network connection when utilizing public networks. VPNs hides your online identity and encrypt your internet traffic. This makes it more challenging for outside parties to monitor your online activities and steal data. Real-time encryption is employed. Your online data traffic is concealed by a VPN connection, which also shields it from prying eyes. Anyone with access to network and the desires to view it can access unencrypted data.
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what is the term used to describe the connections and bonds people have with those in their social networks?
question 2 according to the mccandless method, what is the most effective way to first present a data visualization to an audience?
The McCandless method recommends giving an audience an overview of the information first, such as an elevated summary or a list of the main points, before providing a visualization tool.
How does visualization work?
The graphic depiction of data and information is the focus of the multidisciplinary topic of data and information visualization. When interacting with large amounts of data or information, like a time series, it is especially effective. In order to improve cognition, different aspects of abstract data are also being studied. Both non-numerical and numerical data, including such text and geospatial information, are included in the abstract data.
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when republishing your content, how can you make sure the republished post stands out in contrast to your original post in search engine result listings?
When republishing your content, the way that you can make sure the republished post stands out in contrast to your original post in search engine result listings is option A: Update the headline.
What is republishing your content about?A unique title is required for each piece of content that is republished. Simply changing one word can accomplish this, making each post stand out, especially in various web searches.
There are a number approaches for deciding which content to republish, however they mostly fall into two categories: Finding content that is interesting to and likely to be shared among your readers can be done using email conversion data and social media performance. Find the pages on your website that have a lot of internal links.
Therefore, the use of option A will help in republishing your content.
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See options below
Update the headline.
Use a new author.
Add sub-headings to each section.
All of the above.
with streaming stored multimedia applications, the user can pause, fast forward, skip ahead the audio/video.
The statement "with streaming stored multimedia applications, the user can pause, fast-forward, skip ahead the audio/video" is false.
What are multimedia applications?Interactive software that integrates several media at once to inform a viewer is known as a multimedia application. You can utilise a variety of media formats, such as text, images (photographs, illustrations), and audio (music, sounds).
The entertainment industry is one of the most important and well-known places where multimedia is used. Special effects and animations, like VFX, are increasingly used to create movies, commercials, and short clips.
Therefore, the statement is false.
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The question is incomplete. Your most probably complete question is given below:
True/false
which of the following is true about a null attribute? group of answer choices if the column is not null, entering the data for that field is optional if the column is null, entering the data for that field is required. it indicates whether or not the value of the column can be null. a primary key can be null
A null attribute value is often the same as nothing, it indicates whether or not the value of the column can be null.
What is a null attribute?However, since there are several ways to describe nothing, it's critical that we utilize exact language: There is a value for a property that represents emptiness (null) Despite existing, a characteristic is worthless (empty) A property doesn't exist (missing)
A certain condition of an attribute denotes emptiness (null) A certain value of an attribute denotes emptiness (for example, -999). it indicates whether or not the value of the column can be null.
Therefore, the null attribute value is often the same as nothing, it indicates whether or not the value of the column can be null.
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what is a pcv? what does pcv stand for? what is another name for pcv? describe the procedure for obtaining a pcv.
Answer:
Explanation:
1) PCV = percentage of whole blood made up of erythrocytes
2) PCV stands for Packed Cell Volume
3) Another name = hematocrit
4) Procedure = 1. collect blood in hematocrit tube 3/4 full from EDTA tube, 2. add clay sealant at bottom of tube, 3. centrifuge tube for 2-5 minutes, 4. read PCV from card reader
could not find the recovery environment insert your windows installation or recovery media and restart your pc with the media
Enable windows recovery environment in the steps given below is one of the ways for the question could not find the recovery environment insert your windows installation or recovery media and restart your pc with the media
What are the ways to enable windows recovery environment?
1. In the Windows search box, type "CMD," then click Enter. Find the Command Prompt in the list of results, then right-click it and choose "Run as administrator."
2. Enter "reagentc /info" (without the quotations).
3. To enable it again if it has been disabled, simply type "reagentc /enable."
Other way is to fix corrupted file:
The Windows recovery sector is typically where you may find the Winre.wim file. Because it lacks a drive letter, Windows File Explorer is unable to display it. You must use Disk Management or Diskpart.exe to give the recovery partition a drive letter in order to view the Winre.wim file.
On your system disc, there may occasionally be no recovery partition. The Winre.wim file is then typically found in the hidden subdirectory C:Recovery.
You can search the file on your computer to find the Winre.wim file. To find the Winre.wim file on the C: disc, enter the following command into an elevated Command Prompt:
Hence to conclude if the windows recovery is done we can find the recovery environment to insert windows
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describe two ways that two factor authentication restrict user access to computer systems
Answer:
1. Requiring a Token or Authentication Code
2. Requiring Biometric Authentication
Explanation:
1. Requiring a Token or Authentication Code: This method requires users to provide an additional form of verification (usually a code sent to their phone or email) when logging into a system.
2. Requiring Biometric Authentication: This method requires users to provide biometric data such as fingerprints, a retinal scan, or voice recognition when logging into a system. This data is unique to each individual and provides an extra layer of security.
what are two reasons why some people resist the brain-computer analogy, and how does hinrichs counter those objections?
Information is sent by chemicals in the brain, as opposed to electricity in computers.They both transfer data.
What people resist the brain-computer analogy?In other words, the metaphor of the brain as a computer represents a reductionist view of cognition, which holds that all cognitive functions—such as perception, decision-making, motor control, etc.—are shared by all members of the animal kingdom.
According to Hinrichs, the brain, which gave rise to the mind, is a computer. The brain is a computational device, but it is not like a computer; it is a different kind of computer.
Therefore, It is actually made up of simple cognitive processes, similar to those used by educated people to perform calculations.
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which of the hash table collision-handling schemes could tolerate a load factor above 1 and which could not?
The hash table collision-handling schemes could tolerate a load factor above 1 and which could not is option A: Hash Tables need to deal with collisions. Which of the hash table collision- handling schemes could tolerate a load factor above 1 and which could not a. Hint: Think about which of the schemes use the array supporting the hash table exclusively and which of the schemes use additional storage external to the hash table
What purposes serve hash tables?A hash table is a type of data structure that allows for constant-time direct access to its components while storing data in key-value format. Associative hash tables are those where each key only appears once in the data, thus the name.
Therefore, one can say that It is a type of abstract data that associates values with keys. An array of buckets or slots are used in a hash table to provide an index, also known as a hash code, from which the requested data can be retrieved. The key is hashed during lookup, and the resulting hash shows where the relevant value is kept.
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Hash Tables need to deal with collisions. Which of the hash table collision- handling schemes could tolerate a load factor above 1 and which could not? a. Hint: Think about which of the schemes use the array supporting the hash table exclusively and which of the schemes use additional storage external to the hash table. b. Assume you want to hash the keys 12, 44, 13, 88, 23, 94, 11, 39, 20, 16, 5 and store them in a hash table. Implement linear probing, and double hashing to handle collision. Print out the positions of keys stored. Hash functions for linear probing and double hashing as described as follows. Linear probing: h(k) (3k+5) mod 11 Double hashing: hi(k) (3k+5) mod 11, h2(k)-7 (k mod 7)
Write a loop that inputs words until the user enters DONE. After each input, the program should number each entry and print in this format:
#1: You entered _____
When DONE is entered, the total number of words entered should be printed in this format:
A total of __ words were entered.
Sample Run
Please enter the next word: cat
#1: You entered the word cat
Please enter the next word: iguana
#2: You entered the word iguana
Please enter the next word: zebra
#3: You entered the word zebra
Please enter the next word: dolphin
#4: You entered the word dolphin
Please enter the next word: DONE
A total of 4 words were entered.
Answer:
def main():
word = input("Please enter the next word: ")
count = 0
while word != "DONE":
count += 1
print("#{}: You entered the word {}".format(count, word))
word = input("Please enter the next word: ")
print("A total of {} words were entered.".format(count))
main()
write a program that reads in the name and salary of an employee. here the salary will denote hourly wage, such as $9.25. then ask how many hours the employee worked last week. be sure to accept fractional hours. compute the pay. any overtime work (over 40 hours per week) is paid at 150 percent of the regular wage.
The program that reads in the name and salary of an employee will be:
name = input("Enter name : ")
wage = float(input("Enter wage : "))
hours = int(input("Enter hours : "))
if hours <= 40:
tpay = hours * wage
else:
nhours = hours - 40
tpay = 40 * wage
nhours += nhours * 1/2
tpay += nhours * wage
print("Total pay is : $%s" % tpay)
What is a program?A program is a specific set of ordered operations that a computer can perform. It contains a one-at-a-time sequence of instructions that the computer follows. Typically, the program is saved in a location accessible to the computer.
A computer program is a set of instructions written in a computer programming language that instructs the computer to perform a specific task. The above program illustrates the salary.
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hich compatibility issues can be fixed for an app by using the capabilities included in windows 10? (choose all that ap
These compatibility issues can be fixed for an app by using the capabilities included in windows 10 are:
required to right-click and run as administratorodd colors issue, when the color depth is greater than 16 bits.When the screen resolution is 1920 X 1024, the display quality on full screen is poor.What is compatibility issues in Windows 10?
Some functions' implementations may change as the Windows operating system evolves to support new technology and functionality. This might cause issues for some applications that rely on original-implementation. You can avoid compatibility issues by creating a specific application fix for a specific version of an application using the Microsoft Windows Application Compatibility (Compatibility Fix) infrastructure.
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motor programming involves a pattern of feedback, control, and modification of movements. specifically, proprioceptive sensory information is sent to the , which then sends corrective feedback to the cerebral nuclei and cortex, so the movements can be adjusted.
Motor programming involves a pattern of feedback, control, and modification of movements. Specifically, proprioceptive sensory information is sent to the cerebellum, which then sends corrective feedback to the cerebral nuclei and primary motor cortex, so the movements can be adjusted.
What is a feedback loop?In Science, a feedback loop can be defined as a biological process through which the output of a system either inhibits (negative feedback) or amplifies (positive feedback) the body system, depending on the surrounding conditions.
Under motor programming, there are several patterns of feedback, control, and modification of movements such as the transmission of proprioceptive sensory information to the cerebellum, which is saddled with the responsibility of sending or transmitting corrective feedback to the cerebral nuclei and then, the primary motor cortex, in order to make it possible for the movements of a living organism to be adjusted.
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Complete Question:
Motor programming involves a pattern of feedback, control, and modification of movements. Specifically, proprioceptive sensory information is sent to the _____________, which then sends corrective feedback to the cerebral nuclei and _____________ cortex, so the movements can be adjusted.
service desks that recognize information as a resource and try to prevent incidents and prepare for the future are known as
Proactive service desk is kind of service desks that recognize information as a resource and try to prevent incidents and prepare for the future. A service desk is the main contact point between users/service providers, handling issues, refunds, and more.
Proactive customer service refers to send what customers require before they know they need it. It's going one step more away than what the customer would expect, solving help, advice, or education to assist customers before they create a request or complain. Service desk refers to the particular point of contact between the service provider and the users. A kind of service desk manages incidents and service requests, and also handles communication with the users.
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