If the last line in a file is not terminated with \n, the readline method will return the line without \n.
a. True
b. False
True, the readline function will return the line without a \n if the last line of a file doesn't end with one.
Linux comes with a built-in text editing tool called Sed. "Stream editor" is what the name "sed" means. Despite its name, sed isn't a standalone text editor. Instead, it accepts text as input, modifies it in different ways as directed, and then outputs the result.
Sed's entire name provides us a clue as to how it operates. The text input is treated as a "stream" by Sed. Anywhere, including a text file or standard output, can provide the text (STDOUT). Sed processes the input line by line after taking it.
We'll use the sed "d" command to remove a line. Keep in mind that you must specify which line to remove. If not, sed will remove every line.
Sed may remove a selection of lines.
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1. Payroll Program with Input Validation Design a payroll program that prompts the user to enter an employee's hourly pay rate and the number of hours worked. Validate the user's input so that only pay rates in the range of $7.50 through $18.25 and hours in the range of 0 through 40 are accepted. The program should display the employee's gross pay.
The payroll program that prompts the user to enter an employee's hourly pay rate and the number of hours worked is made with the help of Do While loop.
What is Program?A sequence or set of instructions written in a programming language for a computer to follow is called a computer program. Software includes documentation and other intangible components in addition to computer programs. Source code is the human-readable version of a computer program. Because computers can only execute their own native machine instructions, source code must be executed by another computer program.
Given to make a payroll program,
Program is made with Do While loop,
A condition and a process symbol make up the do while construct. First, the block's code is executed. After that, the situation is looked at. The block's code is executed once more if the condition is met. This continues until the condition is true.
The program code is,
Do While payRate > 7.5 AND payRate < 18.25
Display "Enter hourly pay rate: "
Input payRate
End While
Do While hoursWorked > 0 AND hoursWorked < 40
Display "Enter number of hours worked: "
Input hoursWorked
End While
grossPay = payRate * hoursWorked
Display "The employee gross pay is " + grossPay
Hence code is as follows.
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What is the role of the media and why is it important in a democracy?
Political parties now have the means to inform a wide audience about important topics, from policies to elections, through the media. The media can be considered as promoting democracy.
What kind of political tool can social media be utilized for?Because there are so many ideas, thoughts, and opinions floating about on the social media platform, social media is a persuasive communication tool that frequently works to alter or influence beliefs, especially when it comes to political views.Political parties now have the means to inform a wide audience about important topics, from policies to elections, through the media. The media can be considered as promoting democracy; more informed voters would result in a more trustworthy administration.To learn more about Media refer to:
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the amount of space you will allow from the edge of the doorframe to the inside edge of the casing is called what
Door frame manufacturers then add standard spacing to these dimensions to arrive at what is called the reveal size. The reveal size is the actual opening in the frame that the door fits into. So for a 2040 x 920 mm door, the standard reveal size is 2055 x 924 mm.
What is the bottom of a door frame called?
The door threshold is at the bottom of the frame and rests flat on the floor.
What do you call the piece of metal behind the door?
A door sweep is a long piece of metal that holds a gasket made of materials such as neoprene, silicone, or nylon brush. This long piece of metal is the surface attached to the bottom of the door.
Please tell me how to replace the lower sill panel.
Remove the old door sill under the door frame. Place the old door sill over the new sill and draw around it. Cut the new door sill trim and chamfer the outside edges. Install the new door sill under the door frame.
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which of the following statements best summarizes the author’s predictions for how humans will meet the future nutritional needs of a growing population using current agricultural technology?
The best summarizes the author’s predictions for how humans will meet the future nutritional needs of a growing population using current agricultural technology is humans have maximized the crop yield with improving technology and the implementation of modern genetic techniques to further increase crop productivity and resilience in order to meet the demand.
What is agricultural technology?Аgriculturаl technology or аgrotechnology is the use of technology in аgriculture, horticulture, аnd аquаculture with the аim of improving yield, efficiency, аnd profitаbility. Аgriculturаl technology cаn be products, services or аpplicаtions derived from аgriculture thаt improve vаrious input/output processes.
To аddress these forces poised to further roil the industry, аgriculture must embrаce а digitаl trаnsformаtion enаbled by connectivity. These new technologies cаn upgrаde decision mаking, аllowing better risk аnd vаriаbility mаnаgement to optimize yields аnd improve economics.
Your question is incomplete, but most probably your full question was
Which of the following statements best summarizes the author's predictions for how humans will meet the future nutritional needs of a growing population using current agricultural technology?
A) The effects of global climate change will decrease as farmers employ advanced technological methods to agriculture.
B) Less-developed countries must change from a meat-based protein diet to a more grain-based diet. This will allow the global population to continue to meet the agricultural demands of a growing population.
C) Humans have maximized the crop yield with improving technology and the implementation of modern genetic techniques to further increase crop productivity and resilience in order to meet the demand.
D) The only way to meet the agricultural demand of a growing world population is to convert more grassland and forests into working agricultural land. Genetically modified foods are no longer nutritious, and the nutrients in the forest and grassland soil will increase yield and nutrition.
Thus, the correct answer is C.
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a music production company needs to save music at the highest quality possible they would like to make use of compression. The company has tried compressing a 10 MB file with 2 different methods. Method 1 is a lossy compression that reduces the file to 1MB Method 2 is a lossless compression that reduces the file to 5MB. Explain why the company has chosen to use method 2
Answer:
Explanation:
write a program that first reads in the name of an input file and then reads the file using the csv.reader() method. the file contains a list of words separated by commas. your program should output the words and their frequencies (the number of times each word appears in the file) without any duplicates. ex: if the input is: input1.csv and the contents of input1.csv are: hello,cat,man,hey,dog,boy,hello,man,cat,woman,dog,cat,hey,boy
High-level, all-purpose programming languages like Python are available. With the usage of extensive indentation, its design philosophy places an emphasis on code readability.
What is meant by Python?High-level, all-purpose programming languages like Python are available. With the usage of extensive indentation, its design philosophy places an emphasis on code readability. Garbage collection and dynamic typing are features of Python.It supports a number of programming paradigms, such as functional, object-oriented, and structured programming. Python is a computer programming language that is frequently used to create software and websites, automate processes, and perform data analysis. Because Python is a general-purpose language, it may be used to develop a wide range of programs and isn't tailored for any particular issues. Python is a great language for experienced programmers as well. Perhaps due to how simple it is to learn for novices, it is one of the most widely used programming languages in the world.The program in Python, where comments are used to explain each line is as follows:
#This imports csv module
import csv
#This initializes a dictionary
kounter = {}
#This gets input for the file name
fname = input("Filename: ")
#This opens and iterates through the file
with open(fname, 'r') as cfile:
#This reads the csv file
cfile = csv.reader(cfile)
#This iterates through each line
for line in cfile:
#This iterates through each word on each line
for words in line:
#This counts the occurrence of each word
if words not in kounter.keys():
kounter[words] = 1
else:
kounter[words] + 1
#This prints the occurrence of each word
print(kounter)
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g consider the following delays for computation in each of the pipeline stages in a mips processor: given this, what is the latency of a load instruction in a five stage pipelined implementation of this mips processor?
When a pipeline is used, the cycle time is reduced to the longest stage's length plus the register delay. Due to the fact that each stage requires one cycle and that one instruction must pass through each one, latency is defined as CT*N, where N is the number of stages.
What is latency in pipeline?The phrase "instruction latency" should be introduced before we wrap up our study of pipeline delays. You'll come across it several times in the remaining sections of this essay. The number of clock cycles needed for an instruction to complete its pipeline traversal is known as its latency. All instructions for a processor with a single clock cycle have the same delay. As opposed to this, all instructions in the straightforward four-stage pipeline that has been presented so far have a four-cycle latency. Similarly, instructions on an eight-stage pipeline have a latency of eight cycles, those on a twelve-stage pipeline of twelve cycles, and so forth.The number of pipeline steps is not always a set number in real-world CPUs, and neither is the instruction delay.Each extra cycle that instructions spend waiting in a pipeline stage increases their delay by one cycle since instructions may become stuck in one or more pipeline stages for numerous cycles. As a result, the instruction latencies listed above, such as four cycles for a pipeline with four stages, eight cycles for a pipeline with eight states, etc., are the minimum instruction latencies. Depending on whether or not an instruction pauses in one or more stages, actual instruction latencies in pipelines of any length may exceed the depth of the pipeline.To Learn more About pipeline refer to:
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What are 3 things the executive branch does?
The president is in charge of the executive branch, and among his constitutional duties include leading the nation's military forces as commander in chief, negotiating international agreements, selecting ambassadors, cabinet members, and federal judges (including justices of the Supreme Court).
What three explicit presidential powers are there?The President is specifically granted the following powers under the Constitution: signing or vetoing legislation, controlling the military forces, requesting the written opinion of their Cabinet, calling or adjourning Congress, issuing reprieves and pardons, and receiving ambassadors.The president is in charge of the executive branch, and among his constitutional duties include leading the nation's military forces as commander in chief, negotiating international agreements, selecting ambassadors, cabinet members, and federal judges (including justices of the Supreme Court).To learn more about Executive branch refer to:
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the number of elements shifted in insertion sort depends on where it will be inserted. group of answer choices true false
The straightforward sorting technique known as insertion sort compares each item in turn to create the final sorted array (or list).
What is insertion sort?Comparing it to more sophisticated algorithms like quicksort, heapsort, or merge sort on large lists, it performs significantly worse. But there are a few benefits to using insertion sort:Easy to implement A five-line optimized version of Jon Bentley's three-line C/C++ version is shown. Effective for (quite small) data sets, similar to other quadratic (i.e., O(n2)) sorting algorithmsIn comparison to the majority of other basic quadratic algorithms, such as selection sort and bubble sort, it is more effective in practice.Adaptive, i.e. effective for data sets that have previously been considerably sorted: When each input element is no more than k positions from its sorted location, the time complexity is O(kn), meaning that the order of elements with equal keys remains stable.Online, i.e., may sort a list as it is received In-place, i.e., only needs a constant amount O(1) of additional memory spaceMost individuals employ an approach resembling insertion sort when manually sorting cards in a bridge hand.To Learn more About insertion sort refer to:
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a system uses simple/pure paging and tlb each memory access requires 100ns tlb access requires 5ns tlb hit rate is 90%. work out the actual speedup because of the tlb? speedup
Each process in the operating system will have its own page table, which will contain Page Table Entry (Memory Management Technique: Paging) (PTE).
What is Translation Lookaside Buffer (TLB) in Paging?The frame number (the address in main memory to which we want to refer) and a few other essential bits (such as the valid/invalid bit, dirty bit, protection bit, etc.) will be included in this PTE. This page table entry (PTE) will indicate where the actual page is located in main memory.The issue now is where to put the page table such that overall access time (or reference time) will be less.Fast main memory content access using a CPU-generated address (i.e., a logical or virtual address) presented a challenge at first. Since registers are high-speed memory, some people at first considered utilizing them to store page tables since access times would be shorter.The concept employed here is to store the page table entries in registers, so that when a request is created from the CPU (virtual address), it will be matched to the correct page number of the page table, which will then reveal where in the main memory the corresponding page is located.Everything appears to be in order, but the issue is that the register size is small (in practice, it can only hold a maximum of 0.5k to 1k page table entries) and the process size may be large, so the required page table will also likely be large (let's say this page table contains 1M entries). As a result, the registers might not be able to hold all of the PTEs of the page table. Therefore, this strategy is not workable.The Complete Question is Page Table Entry.
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if you were to shoot a video that contained a promo message and then shared it with your friends, what is this called? viral video answer print master tape wireframe animation
If you shot a video that contained a promo message and shared it with your friends, it could be called a viral video.
A viral video is a video that becomes popular through the process of Internet sharing, typically through video sharing websites, social media and email. Viral videos often have a short shelf life, as they are quickly replaced by newer, more popular videos. However, some viral videos can be highly successful in terms of views and influence, and can generate significant attention and publicity for the people or organizations featured in the video. Viral videos can be created intentionally or unintentionally. Some companies and organizations create viral videos as part of a marketing campaign, with the goal of getting as many people as possible to view and share the video.
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What are the 3 types of training?
The 3 types of training is On the job training , Off-the-job training , E-learning.
What are the 3 types of training?On-the-job training: This kind of training takes place when a less inexperienced coworker, supervisor, or manager trains an employee to carry out a particular job task or role within an organization. It typically takes place at work and may include a demonstration, some practice, and instructor comments. Since it enables employees to learn in the setting where they will be carrying out the responsibilities, on-the-job training is sometimes seen as the most effective.Off-the-job training: Off-the-job training is a type of instruction that is conducted outside of the typical workplace setting. This kind of training could take place in a different area, structure, or even location.It is frequently used to teach staff members skills that are either too complicated to be taught on the job or have no bearing on the particular task they are performing.E-learning : A website or an online learning platform can be used for e-learning, which is a type of instruction that takes place online. It can be used to teach employees a variety of skills and expertise, such as customer service, product knowledge, and computer skills. This kind of training is frequently self-paced, allowing participants to take their time and learn at their own pace.To learn more about the 3 types of training refer to:
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What program is used to transfer files from one computer to another and can be used to upload your web pages to your Web server?
File management tasks on a server are performed via FTP clients. Among the list of FTP clients are: FileZilla. With support for FTP, FTPS, and SFTP, this free FTP client is available for Windows, macOS, and Linux.
What is FTP (File Transfer Protocol)?The Transmission Control Protocol/Internet Protocol (TCP/IP) connection format is used by the network protocol known as FTP (File Transfer Protocol) to transfer files between computers. FTP is categorized as an application layer protocol within the TCP/IP stack.The computer of the end user is commonly referred to as the local host in an FTP transaction. A remote host, or server, is typically the second machine in an FTP connection. To transfer data with FTP, both computers must be properly set up and linked to a network. To access these services, clients must have FTP software installed on their computers and servers must be configured to run FTP services.FTP is still frequently used to transfer files behind the scenes for other applications, such as banking services, even though many file transfers may be carried out using HTTP, a different protocol in the TCP/IP suite. Using web browsers, it is occasionally used to download fresh software.To Learn more About FTP clients refer to:
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Which of the following has the least volatile data?
- CPU storage
- RAM
- Hard drive
- Kernel tables
The option that has the least volatile data is option C: Hard drive.
What are hard drives, and what do they do?A hard disk drive (HDD), often known as a hard disk, hard drive, or fixed disk, is an electro-mechanical data storage device that stores and retrieves digital information utilizing magnetic storage on one or more rigid, quickly rotating platters coated with magnetic material.
Therefore, one can say that the least volatile data of those listed is that found on a hard drive. All other sources are some form of memory, which disappears when a system is switched off.
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Which of the following is a difference between web pages and social Media?
A. Unlike web pages, social media prohibits users from generating their own content.
B. Unlike web pages social media enables people to connect online and have a conversation.
C. Unlike webpages, social media is not generally interactive.
D. Unlike webpages, social media requires authorization before posting.
Social media and websites vary in that social media allows users to interact online and converse with one another.
Social media profiles are free to create and may be created by anybody. This makes it simple to promote your small business, but it also makes customers sceptical of any accounts they come across. Social networking is a labyrinth of frauds and dodgy businesses that take your money and disappear. A well-designed website reassures visitors and allows businesses to demonstrate their history, competence, qualifications, and, ultimately, credibility.
People may assume that the rise of social enterprises has rendered company websites obsolete, but what is the difference between a website and social media? Is the importance of websites still relevant in 2020?
The simple answer is no, websites continue to be critical to having a good online presence in 2020. If you want the lengthy answer, go here.
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What are advantages of lookup fields? check all that apply. Shorter reports simpler queries easier data entry acceptable values fewer misspellings.
Easier data entry, acceptable values, fewer misspellings are advantages of lookup fields.
What is lookup fields?
A field in a table called a "lookup field" is one whose value is obtained from another table or query. The Lookup Wizard should always be used to create a lookup field.
The Lookup Wizard streamlines the procedure and automatically sets the relevant field characteristics and table associations.
What is lookup field how is it used?
Two records can be linked together in a relationship using lookup fields. An account lookup field, for instance, is present in a contact record and links the contact to its account.
Simplest vertical and horizontal lookups can be done using Excel's LOOKUP function. Excel offers LOOKUP in both vector and array formats.
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What is difference between laptop and desktop?
Answer:
DESKTOP
The size is huge and heavy
There are multiple internal hard disks
LAPTOP
Small size
Internal hard disks are limited
These are some of many examples
The priority code point field in a frame consists of how many bits?
The priority code point field in a frame consists of 3 bits. The smallest unit of data on a computer is a bit, which is a binary digit. There are just two values that a bit can store: 0 or 1
In order to transport one of 64 distinct differentiated services field code point (DSCP) values, the Differentiated Services (Diffserv) architecture mandates that the DS field in IPv4 and IPv6 packet headers be used.
For the purposes of codepoint assignment and management, the codepoint space is divided into three pools: a pool of 32 codepoints (Pool 1) that will be assigned by Standards Action as defined in [RFC8126], a pool of 16 codepoints (Pool 2) that will be reserved for experimental or local use (EXP/LU), and a pool of 16 codepoints (Pool 3), initially available for experimental or local use, but which should be used preferentially for Standardized assignments now use codepoints from Pool 3
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give an example show how a letter in the english alphabet is stored using ASCII
The letters in the English alphabet are stored using ASCII by the binary codes. The letter 'a' has the binary number 0110 0001.
What is ASCII?American Standard Code for Information Interchange, or simply ASCII, is a common data-encoding system for electronic computer communication.
Letters, numbers, punctuation marks, and other computer characters are given conventional numeric values by ASCII. The following are possible representations for ASCII characters: as three-digit octal (base 8) numbers.
Therefore, binary codes are used to store the English alphabet's letters using ASCII. The binary value of the letter "a" is 0110 00.
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How do I get to easy settings in Windows 10?
Use nested for-loops to have the turtle draw a snowflake of polygons. Use the variable turnamount to turn after each shape and the variable n for the sides of the polygon
An interlocking loop is referred to as nested loop . These are frequently utilized while working in two dimensions, such as when printing stars in rows and columns.
How do two for loops that are nested work?An inner loop encloses the body of an outer loop, creating a nested loop. In order for this to operate, the inner loop must be triggered by the outer loop's initial pass in order to begin working. The inner loop is then reactivated during the second transit of the outer loop.
The for loop may be nested, right?For loops that are nested are placed inside of one another. With each outer loop iteration, the inner loop is repeated.
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Wwhich file should you edit for sendmail configuration?
The file to update for sendmail configuration details and optional settings needed to control the sendmail daemon's behaviour is /etc/mail/sendmail.mc.
Sendmail is a server programme that allows organisations to send email over the Simple Mail Transfer Protocol (SMTP). It is often deployed on a dedicated workstation that takes outgoing email messages and subsequently forwards them to the specified recipient. If a receiver is not immediately accessible, messages are queued, and authentication is offered as a measure to avoid spam. Sendmail, on the other hand, simply sends email and does not support POP or IMAP, which would allow it to accept messages and store them in user inboxes. As a result, Sendmail is usually installed alongside other software that allow users to configure their inboxes.
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Why are client/server networks usually installed in businesses?
A. Client/server networks are cheaper to install.
B. Security is weaker on client/server networks
C. They do not require dedicated servers like P2P networks.
D. They are more scalable than P2P networks.
The central administration of applications and data is a significant benefit of the client-server network. A client-server network speeds up data transfer while also securing the data sent.
Using the network is a wise choice for organizations seeking faster and more secure data transport. Because the files are centralized, it is easier to perform consistent file backups. File duplication is no longer a concern, and the security issues associated with peer-to-peer networks are eliminated because everyone on the network just needs access to the central server. When establishing a P2P network, there is no need to purchase a separate computer to function as a server. It does not necessitate the use of a network operating system or a full-time system administrator. Adaptability: The P2P network is easily expanded to incorporate additional customers.
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Make a list of symptoms of computer virus and preventive measures from computer virus.
Answer:
Intrusive pop-ups. Slow performance. Frequent crashes. Unknown login items. Storage space shortage. Missing files.
Explanation:
those are symptoms
the data you collect on your point-of-sale system could complement data that your website and app sends to analytics. which feature allows for the collection and sending of events directly to analytics servers?
The data collect on point of syestem could complete data are
What is system?
System is a set of organized components that work together to achieve a specific goal. It can refer to a variety of different concepts, including a computer system, a group of people working together, or a complex network of machines and processes. In each case, the components of a system interact to create an output that is larger than the sum of its individual parts.
Systems are composed of many components, often of different types and from different sources. These components can include hardware, software, people, processes, and data. Systems are designed to be reliable, efficient, and flexible, allowing them to adapt to changing conditions.
The feature that allows for the collection and sending of events directly to analytics servers is called Event Tracking.
With Event Tracking, you can capture data from your point-of-sale system and send it directly to analytics servers, providing a more comprehensive view of your customers' behavior and preferences.
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Which of the following is the correct way to create an alert box with the message “That’s not quite correct.”?
A.
function displayAlert(){ display Alert("That’s not quite correct"); }
B.
function displayAlert(){ alert("That’s not quite correct"); }
C.
function displayalert(){ ("That’s not quite correct"); }
D.
function displayalert(){ alert("That’s not quite correct"); }
Answer:
i think the answer is d
Explanation:
looks cool
A student is writing a program to model different real-world events using simulations. Which of the following simulations will generate a result that would best be stored using a Boolean variable?
answer choices
A simulation of flipping a fair coin.
A simulation of rolling a fair die (with sides numbered 1 through 6.)
A simulation of the temperature in a location over time.
A simulation of traffic patterns on a road.
The simulations will generate a result that would best be stored using a Boolean variable is a simulation of flipping a fair coin.
What is boolean?Boolean is a common datatype in many of programming language. The boolean only have two value which is true and false. Since, the boolean only have two value which it means the simulation that using boolean variable must have maximum two value.
The rolling die, the temperature, and the traffic patterns is have more than two value, so it can't stored in boolean variable. The flipping coin only have two value which is head or tail, so it can be stored in boolean variable.
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Why do people rarely use cash now?
Answer:
Cash doesn't have fees
Explanation:
as mentioned, customers paying by card spend significantly more than cash customers. Adding card payments will increase revenue which will more than offset the costs of any fees
Which company specializes in working behind the scenes to meet advertiser’s cpm guarantees by tagging users to create consumer profiles, but is not an ad network?
Browser, software that enables a computer user to search for and see information on the Internet.
Web browsers interpret HTML elements in downloaded documents and format the displayed data in accordance with a set of style rules. A website is a collection of publicly accessible, interconnected Web pages that use the same domain name. Individuals, groups, businesses, and organizations can construct and maintain websites for a variety of objectives. OTS is a possible exposure of an advertising message to one audience member. Also known as a marketing impression. engaging with consumers. Any advertiser who invests in digital interactivity should be prepared to maintain contact with their target audiences.
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