write a recursive function that receives as input an integer n and returns the answer 2n. you can assume n 0 int pow2(int n) {
Answers
Using the knowledge of computational language in C++ it is possible to write a code that write a recursive function that receives as input an integer n and returns the answer 2n.
Writting the code:#include <iostream>
using namespace std;
int pow2(int n)
{
if (n != 0)
//calling the function recursively untill n is not equal to 0
return (2*pow2(n-1));
else
//if n is equal to 0
return 1;
}
int main()
{
int n;
cout << "Enter power number: ";
//taking input from user
cin >> n;
//displaying the output
cout <<"2^" << n << " = " << pow2(n);
return 0;
}
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Related Questions
true or false? in an incremental backup, you start with a full backup when network traffic is light
Answers
Achieve safety for everybody. Having everyone safe is the first important step in a disaster recovery strategy. The second stage is responding to the disaster before moving forward with recovery, and the third and final step is carrying out the DRP, which includes getting in touch with all parties involved.
In terms of incremental backup, which of the following statements is true?
The solution is to only save newly modified files. Solution: This technique allows you to create backups of system files or data that have recently changed or been added since the last backup. Option C is the right choice, so.
What phrase best defines the risk that remains after an organization has implemented all intended controls and countermeasures?
Risk that still exists after controls are taken into consideration is known as residual risk. It is the danger that still exists even after your company has adopted the necessary safety measures.
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assume a stack-oriented processor that includes the stack operations push and pop. arithmetic operations automatically involve the top one or two stack elements. begin with an empty stack and consider the following program push 4 push 7 push 8 add push 10 sub mul push 40 push 4 div add a) show the resulting stack after each operation is performed. b) write an expression using normal infix notation that is equal to the calculation just performed using this stack machine.
Answers
Answer:
Sequence of popped values: h,s,f.
State of stack (from top to bottom): m, d
Explanation:
what is a function? a function is a subprogram designed to perform a particular task. a function is used to signal an event in your code.
Answers
The Correct answer is a) A function is a subprogram designed to perform a particular task
What is function ?A big programme can be broken down into the fundamental components known as function in C. The group of code blocks denoted by are present in the function. The C programme can be reused and made modular by calling a function numerous times. In other terms, we may say that a programme is made up of a group of functions. In some programming languages, the function is also known as a process or a subroutine.Function announcement In order to inform the compiler of the function name, function parameters, and return type, a function must be declared globally in a c programme.Using a function Throughout the programme, functions can be invoked from anywhere. Function declaration and function calling cannot have different parameter lists. We have to pass exactly as many functions as it does.To learn more about function refer to:
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your laser printer keeps printing vertical black lines on its output pages. what is the most likely cause of the problem?
Answers
A used-up toner cartridge or a worn-out drum unit are the typical culprits for streaking. Drum units are consumables that only require replacement after 3 or 4 toners have been used. A separate toner and drum unit is not utilized by all printers.
What is a laser printer's drawback?
Unlike inkjet printers, which can print on a variety of papers, laser printers cannot. You can't put anything that is heat-sensitive through them. Simple graphics may be printed on home laser printers, but clean pictures are difficult. Choose an inkjet printer if you wish to print images.
Why would you use a laser printer?
Popular computer printers like laser printers use non-impact photocopier technology, which avoids damaging the paper with keys. A laser beam uses electrical charges to "draw" a document on a drum covered in selenium when a document is supplied to the printer.
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the two main techniques to extract the color from the floating cap during the making of red wine are:
Answers
Answer:Punching - down and Pumping - over.
in step 5 of this activity, you created a data frame onlineta city hotels v2. what is the lead time in the first row created in this data frame?
Answers
Note that in order to identify the Lead Time of the first row of a data frame, you need to use the iloc[] attribute.
What is the rationale for the above?
You can use the iloc[] property in the Pandas library to select specific rows or columns from a DataFrame. For instance, you can use iloc[0] to retrieve the first row of a DataFrame as a Pandas Series.
A DataFrame is a data structure that organizes data into a table with rows and columns. It is similar to a spreadsheet and is widely used in data analytics because it is easy to work with and allows for flexible data storage and manipulation.
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what type of method provides a safe way for code outside a class to retrieve the values of attributes, without exposing the attributes in a way that could allow them to be changed by code outside the method?
Answers
Accessor is the type of method provides a safe way for code outside a class to retrieve the values of attributes.
What is an accessor method?An instance method that acquires or sets the value of a property of an object is called an accessor method.A mutator method in computer science is a technique for managing modifications to a variable. They're also frequently referred to as setter methods. A getter, which returns the value of the private member variable, is frequently used in conjunction with a setter.Accessor methods in Java return the contents of a private variable. Without having direct access to the variable itself, this allows other classes to access the value that is stored in the variable. Accessor methods have a return type that is the same as the type of the variable they are accessing and no arguments.Learn more about accessor method refer to :
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Which command can an administrator issue on a Cisco router to send debug messages to the vty lines?answer choices- terminal monitor- logging console- logging buffered- logging synchronous
Answers
These messages must be sent to the terminal lines using the terminal monitor command.
What do you meant by terminal monitor ?On the VTYSH session, the terminal monitor is utilized to dynamically display a selection of logs. Only the live or active logs are seen when the switch's terminal monitor capability is activated. On the SSH session or console session, these logs are visible.
Description. For the current terminal session (i.e., VTY or asynchronous line), this command permits the display of debugging messages and system error messages.
The command no logging console can be used to turn off console logging; it does not apply to the console itself. How do I access Ubuntu Monitor from the terminal? Simply enter any name for System Monitor followed by the command gnome-system-monitor, apply. As soon as you click disabled, select any keyboard shortcut, such as Alt + E. Pressing Alt + E will quickly launch System Monitor.
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is the programming language for client-side programs.which syntax is used for a function to return a value?
Answers
The answer to the question is that client-side programs are written in JavaScript.
In plain English, what is a programming language?A scripting language is a language and grammar system used to give instructions to a computer or other computing equipment so that it can carry out particular activities. • High-level languages like BASIC, C, C++, Fortran, Java, Assembler, Ada, and Pascal are referred to as programming languages.
Why do we use programming?Today's environment is highly automated, making computer programming essential. The relationship between individuals and machines needs to be under human control. We utilize computer coding to harness such computational power because computers and machines can perform tasks so precisely and effectively.
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Which programming language is often used for embedded programs in electronic devices?
Answers
Answer:
So, programmers often use C or C++ in those devices. C or C++ are frequently used in microcontrollers and in embedded devices that use real operating systems. Those systems also demand the speed and efficiency that C and C++ provide. You'll also find C and C++ in several other embedded systems
Explanation:
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widely used in the areas of business-to-business (b2b) electronic commerce and supply chain management (scm), what term is used to describe a network that connects parts of the intranets of different organizations and enables business partners to communicate securely over the internet using virtual private networks (vpns)?
Answers
The term used to describe this network is a Virtual Extranet.
What is network?Network is a system of computers or other devices connected to each other, usually via cables or wireless technology, that can communicate and share data. It allows users to access, store and exchange information, resources and services. Networks can be local or wide area, private or public, and can range from a single connection between two computers to millions of connected devices spanning the globe. Networks are used for a variety of purposes, including file sharing, streaming audio and video, video conferencing, online gaming and more.
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you have a microsoft 365 subscription. all computers are enrolled in microsoft intune enterprise mobility security (ems). you have business requirements for securing your windows 10 devices. you need to lock any device that has a high windows defender advanced threat protection (atp) risk score. which device configuration profile type should you use to accomplish this task?
Answers
To lock a device that has a Windows Defender Advanced Threat Protection (ATP) risk score using Microsoft Intune, you can use the Compliance Policy device configuration profile type.
To create a Compliance Policy profile in Microsoft Intune:
Sign in to the Microsoft Endpoint Manager admin center.Go to Devices > Configuration profiles > Create profile.Select Windows 10 and later as the platform.Select Compliance Policy as the profile type.In the Settings section, click Add to add a new setting.Select Windows Defender ATP > Require ATP security risk level to be above a certain level > Configure.Set the required ATP security risk level and choose whether to block or allow access to the device based on the risk level.Click OK to save the setting.Click Create to save the Compliance Policy profile.Assign the Compliance Policy profile to the relevant group of devices through the Assignments tab.This will enforce the specified security risk level for the devices and lock any device that has a risk score above the specified level.
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you receive an e-mail to reset the online banking username and password. when you attempt to access the link the url appearing in the browser does not match the link. what is this known as?
Answers
An attempt was made to open the link. The link does not correspond to the URL displayed in the browser. It's called phishing.
What is phishing?Phishing attacks are counterfeit communications that appear to come from a trustworthy source but which can compromise all types of data sources. Attacks can facilitate access to your online accounts and personal data, obtain permissions to modify and compromise connected systems--such as point of sale terminals and order processing systems--and in some cases hijack entire computer networks until a ransom fee is delivered.Sometimes hackers are satisfied with getting your personal data and credit card information for financial gain. In other cases, phishing emails are sent to gather employee login information or other details for use in more malicious attacks against a few individuals or a specific company. Phishing is a type of cyber attack that everyone should learn about in order to protect themselves and ensure email security throughout an organization.
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true/false: the update expression of a for loop can contain more than one statement, e.g. counter , total
Answers
A for loop's update expression may include more than one statement, if the statement in question is true, according to the answer.
What is a for loop used for?Iterating through a sequence is done using a for loop (that is either a list, a tuple, a dictionary, a set, or a string). This operates more like an iteration method available in other object-oriented programming languages and differs from other programming languages' for keyword in that regard.
Why is it known as a "for loop"?The word "for" is the origin of the term "for-loop." In many programming languages, for is used as the keyword to start a for-loop.
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a data analyst uses the annotate() function to create a text label for a plot. which attributes of the text can the analyst change by adding code to the argument of the annotate() function? select all that apply.
Answers
The attributes of the text that the analyst can change by adding code to the argument of the annotate() function are: A. Modify the text's font style.B. Adjust the text's size.C. Modify the text's colour.
What is the tag's attribute?Examples of characteristics that specify additional properties or qualities of the element are the width and height of an image. Attributes are always provided in the start tag (also known as the opening tag). Name-value pairs are the most common format for them. Always use quotation marks when referring to attribute values.As a result, "text attributes" refers to all of the font, style, alignment, and other formatting aspects related to a particular character or string of characters.The attributes of the text that the analyst can change by adding code to the argument of the annotate() function are: A. Modify the text's font style.B. Adjust the text's size.C. Modify the text's colour.To learn more about tag's attribute refer to:
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How to solve if the timeout period elapsed prior to obtaining a connection from the pool. this may have occurred because all pooled connections were in use and max pool size was reached?
Answers
Explanation:
If the timeout period elapsed prior to obtaining a connection from the connection pool, it may mean that all pooled connections are in use and the maximum pool size has been reached. This can occur when there are too many concurrent connections to the database and the connection pool is unable to accommodate them.
There are several ways to resolve this issue:
Increase the maximum pool size: By increasing the maximum pool size, you can allow the connection pool to accommodate more concurrent connections. However, this may not be a feasible solution if the database is already experiencing high levels of traffic.
Optimize database queries: If the connection pool is being overwhelmed by inefficient database queries, optimizing the queries can help reduce the number of concurrent connections and allow the connection pool to function more effectively.
Implement connection pooling: If the application is not already using connection pooling, implementing it can help reduce the number of concurrent connections and improve the performance of the database.
Use a load balancer: If the database is experiencing high levels of traffic, using a load balancer can help distribute the load across multiple database instances, reducing the number of concurrent connections and improving performance.
Use a cache: Implementing a cache can help reduce the load on the database by storing frequently accessed data in memory, reducing the need for database queries.
By taking one or more of these actions, you can help resolve the issue of the timeout period elapsed prior to obtaining a connection from the connection pool.
while conducting a wireless site survey, susan discovers two wireless access points that are both using the same mac address. when she attempts to connect to each, she is sent to a login page for her organization. what should she be worried about?
Answers
What incident response tool ought Kai to create ahead of time to guarantee that personnel can get in touch with crucial responders when required. For her incident response team, Laura must develop secure messaging capabilities.
Is Susan a name that dates back?
The meaning of the Hebrew baby girl's name Susan is "lily." Though most modern parents would prefer Susanna or Susanannah, Susan had her heyday from the 1930s through the 1960s, is currently popular among moms and new grandmothers, and we have detected some flickers of interest in a resurrection.
Can Susan also be a boy's name?
Depending on the culture it is used in, it may or may not be a masculine name, although in Italy, it ends in "o" rather than "a." The ancient standards, however, are no longer as rigid because many names are now used for both male and female kids.
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all dual core or higher processors and all motherboards sold today support what technology capable of enhancing the processor support for virtual machines?
Answers
Hardware-assisted is the technology capable of enhancing the processor support for virtual machines.
Hardware-assisted
Hardware-assisted virtualization is a platform virtualization technique used in computing that enables effective full virtualization with the use of hardware resources, primarily the host processors. When an unmodified guest operating system (using the same instruction set as the host machine) functions in a full virtualization, the entire hardware environment, or virtual machine, is emulated. In 2005, 2006, and 2010, x86 processors (Intel VT-x, AMD-V, or VIA VT) adopted hardware-assisted virtualization.
Accelerated virtualization is another name for hardware-assisted virtualization, which is also referred to as native virtualization by Virtual Iron and hardware virtual machine (HVM) by Xen.
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Choose the correct term for each type of software.
software manages the hardware and software on a computer. Without this software, the computer
would not be functional.
software allows users to complete tasks and be productive. Examples of this software include
browsers, word processors, and video editors.
software allows programmers to create the software and utilities used on computers.
Answers
The correct term for each type of software may include is as follows:
An operating system is a type of software that manages the hardware and software on a computer. Without this software, the computer would not be functional.System software is a type of software that allows users to complete tasks and be productive. Examples of this software include browsers, word processors, and video editors.Application software allows programmers to create the software and utilities used on computers.What do you mean by Software?Software may be defined as a set and collection of instructions, data, or programs that are used to operate computers and execute specific tasks.
It is the opposite of hardware, which describes the physical aspects of a computer. Software is a generic term used to refer to applications, scripts, and programs that run on a device.
An operating system is software that controls and coordinates the computer hardware devices and runs other software and applications on a computer. It is the main part of system software and a computer will not function without it.
Therefore, the correct term for each type of software may include is well-mentioned above.
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how can an algorithm be described in which the work it does grows as a function of the square of the problem size?
Answers
The algorithm be described as : quadratic
About Time-Complexity:
Your program is functional, but it runs too slowly. Or perhaps your neat little piece of code is running just fine, but slower than that other, longer one. In computer science, the Big-O notation is frequently used to describe the efficiency or complexity of an algorithm. Practically speaking, it serves as a gauge to determine whether your function is effective and whether it needs to be improved.
As you continue your education, time-complexity will play a bigger role in your development environment. You'll eventually be able to evaluate your software and determine which programs fit into which time complexity categories (constant, linear, quadratic, exponential, logarithmic). To better understand how Time-Complexity works in your code and in real life, we'll be breaking down the fundamentals in this guide.
O(N²) — Quadratic Time:
An algorithm with quadratic time complexity has performance that is squarely correlated with the size of the input data set (think of Linear, but squared). This temporal complexity will appear in our applications anytime we nest over numerous iterations in the data sets.
Let's look at the cards again. How to eliminate all the cards with the same number if, for example, you chose the first card in the deck. You would need to go through the deck and eliminate any duplicate cards. You would repeat the process with the next card, the next, and so on until you reached the last card in the deck after you were certain that all the duplicates had been eliminated. An illustration of quadratic time complexity is this.
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which of the following statements is true? tcp is connection-oriented and is reliable; udp is not connection-oriented and is reliable. tcp is connection-oriented and is reliable; udp is not connection-oriented and is unreliable. tcp is not connection-oriented and is reliable; udp is not connection-oriented and is not reliable. tcp is connection-oriented and is unreliable; udp is not connection-oriented and is reliable.
Answers
Tcp protocol is correlation. It will only deliver information to customers that are waiting for it. While data is continually transferred, the connection is maintained using a three-way handshake protocol.
How does TCP function? What is it?Often expressed as TCP/IP, TCP helps to communicate between a software application and the Internet Protocol. To transport data using TCP, an application does not require other means for sending data, such as packet breakage on the transmission media.
Why is the TCP port used?Port numbers serve as universal standards for designating particular processes or categories of network services. Similar to how you would decide where to ship from and where to have something arrive before sending something abroad,
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on what page in the wgu student portal can you find a list of the courses you must complete for your degree program?
Answers
Your Degree Plan is a tab on the home page. It lists out all of the courses you are required to complete to earn your degree on a standard path.
Define portal?A portal is a popular website that offers a variety of products, services, and vendor links. By choosing the content sources and compiling them into an easy-to-use interface that can be customized, it serves as a value-added middleman before being presented to the end user.A portal is a phrase, typically synonymous with gateway, for a World Wide Web site that serves as, or is intended to serve as, a significant entry point for users when they connect to the Internet or that people frequently use as an anchor site. The two types of portals are general and specialized.A portal is any frequently visited website that acts as a point of access to the Internet and typically has several connections to a range of sources of data, information, resources, and services.To learn more about portal refer to:
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assuming the size of the packets is equal, why the efficiency of pure aloha is worse than slotted aloha? a. because packets can collide partially without time boundaries in pure aloha, resulting in more collisions. b. because nodes in slotted aloha can detect collisions. c. because pure aloha has more empty slots without time synchronization.
Answers
The size of the packets is equal, the efficiency of pure aloha is worse than slotted aloha because packets can collide partially without time boundaries in pure aloha, resulting in more collisions
What is pure aloha?The original intent behind the ALOHA System was to offer radio communications with a systematically distinct designer engagement. With the use of this substitute technique, the system may decide when and where radio communications are more advantageous than wired ones. It made various networks' accessibility possible and made communication methods practicable.The initial implementation of ALOHA utilised a hub architecture with two separate frequencies, with the hub machine broadcasting packets to all clients on the outgoing channel and the various client computers transmitting data packets to the hub on the inbound channel. If the hub correctly received the data, a brief acknowledgment packet was delivered to the client; if the client did not get the acknowledgment after a brief delay, the client machine would automatically retransmit.To learn more about pure aloha refer to:
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ambrose is testing his it department's new firewall deployment. he is using a collection of applications that employ a brute-force technique to craft packets and other forms of input directed toward a target. what is this collection of tools called?
Answers
Packet Filtering Firewall is responsible for filtering the packets based on the IP addresses source and destination port numbers and also the source and destination protocols.
What is information security?Information security can be defined as a preventive practice which is typically used to protect an information system (IS) that use, store or transmit information, from potential theft, attack, damage, or unauthorized access, especially through the use of a body of technologies, encryption, firewalls, frameworks, processes and network engineers.A firewall can be defined as a network security protocol that monitors and controls inbound and outbound traffic based on set aside security rules.In Computer technology, a firewall is used to control access to a computer or network, as it creates a barrier between a computer or a network and the internet in order to protect against unauthorized access.Therefore, the other functionality which would influence a decision to deploy a stateless, rather than stateful, firewall are:Block TCP portsAllow network protocols.
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When sending a group email how do you ensure that one or several recipients cannot see the names?
Answers
Blind Carbon Copy method is the most common approach to sending emails to multiple recipients without showing all the email addresses.
Blind Carbon Copy
A message's sender can hide the recipient they have listed in the Bcc field from other receivers by using the blind carbon copy (abbreviated Bcc) feature. This idea originally pertained to written correspondence on paper and is currently applicable to email.
When typing a paper letter, the typist may need to take extra care to hide the names of some receivers from the other recipients.
The typist has a few options to get there:
Without using carbon paper, add the names to each duplicate in a subsequent stage.Set the ribbon so that it won't smear the paper and remove the names from the top copy (but may leave letter impressions on the paper)Email addresses can be found in any of these three fields, and are used to identify the recipients of a message:
From: Initial recipients
Cc: Carbon copy to further recipients and parties that may be interested
Bcc: Send a message with a blind carbon copy to any secondary recipients. The tertiary recipients are invisible to the primary and secondary recipients. The email addresses of all primary and secondary receivers may be visible to tertiary recipients, but they won't be able to view any other tertiary recipients, depending on the email client being used.
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a data analyst is creating a dashboard using tableau. in order to layer objects over other items, which layout should they choose? 1 point layered tiled itemized floating
Answers
Since the data analyst is creating a dashboard using tableau. in order to layer objects over other items, the layout that they choose is option D: floating layout.
What does the idea of floating mean?When the weight force on an object is countered by the water's upward push, the thing floats. Water exerts an upward force proportional to the volume of the submerged object; water depth or volume have no bearing on this upward force.
Therefore, one can say that the float attribute was created to enable web designers to make straightforward layouts with an image floating inside a text column and text wrapping to the left or right of it.
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PLEASE ANSWER FAST IM TIMED
A WYSIWYG editor will save time and make the process of Web site design an artistic practice rather than a ------- practice.
Answers
This open source software helps you either create a website through code, or design it with the help of templates and facile customizations.
What is the difference between HTML and WYSIWYG?A WYSIWYG editor shows you a rendered web page as you edit the page. You do not see the actual HTML. When using manual coding, you see the HTML, but you must load the document in a web browser to view the rendered page.
Is WYSIWYG easy to use?An efficient free WYSIWYG Editor comes with an easy-to-use toolbar, keyboard shortcuts, and other features that allow you to easily add or edit content, images, videos, tables, or links. A WYSIWYG editor saves time and makes web content creation quick and easy.
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Answer:
Programming
Explanation:
WYSIWYG (sometimes pronounced "wizzy wig") is an acronym that stands for "What You See Is What You Get." It is a phrase that was coined when most word processing, desktop publishing, and typesetting programs were text and code based. HTML, at its code level, is much like the early interfaces on this sort of software. A WYSIWYG editor saves time and makes the process of website design an artistic practice rather than a programming practice.
discuss whether or not the following devices/processes are open-loop or closed-loop. if they are closed-loop, please explain the sensing mechanism. (a). traffic light; (b). washing machine; (c). toaster; (d). aircraft autopilot; (e). temperature regulation in human body.
Answers
A sensor is used at traffic lights to identify the presence of automobiles. Either a closed loop or an open loop can exist.
How do open and closed loops differ?
An open-loop control system, commonly referred to as a non-feedback system, solely bases its actions on the input; the control action is unaffected by the output. A closed-loop control system, commonly referred to by the term review system, examines the power capacity and modifies it to produce the desired condition.
What distinguishes an open loop from a closed loop?
The open network and a closed loop system are fundamentally different from one another in that the former can self-correct while the latter cannot. As a result, components are quite often known as non-feedback controls, whereas closed-loop systems are frequently referred to as feedback-controlled systems.
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a user calls the help desk. each time he creates a new text file, permissions of 640 are applied to the file, and he must use chmod to set them to 644. what command should you enter in the user's profile to set the default permission for newly created files to 644? answer umask 640 umask -640 umask 0022 umask 0027
Answers
Since the user calls the help desk. each time he creates a new text file, the command that he or she should enter in the user's profile to set the default permission for newly created files to 644 is option C: umask 0022.
How do I make a brand-new file?A method for making a text file is to right-click a blank space on the desktop, choose New, then Text Document from the pop-up menu. This launches your default text editor and creates a new blank text file on your desktop.
Therefore, to do so:
Open Go ogle Docs, Sheets, or Slides on your Android smartphone or tablet.Tap Create in the bottom right.Select whether to make a new file or use a template. The program will start a fresh file.Learn more about command from
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true or false. priority queue can be implemented using an array, a linked list, a heap data structure, or a binary search tree.
Answers
True, priority queue can be implemented using an array, a linked list, a heap data structure, or a binary search tree.
What is the best way to set up a priority line?Binary trees, heaps, linked lists, and arrays are examples of typical data structures that may be used to build priority queues. The list is set up such that the item with the highest priority is always at the top. According to priority, the items are listed in descending order.
Is a priority queue a tree?A heap data structure, a linked list, an array, or a binary search tree can all be used to build a priority queue.
It is a full tree. Because of this characteristic, Binary Heaps are appropriate for array storage. A binary heap can be either a minimum or maximum heap. A Min Binary Heap requires that the root key be the least important among all other keys.
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