Imagine two producers (Pa and Pb) both calling into put() at roughly the same time. Assume producer Pa gets to run first, and just starts to fill the first buffer entry (fill = 0 at line f1).
This is a scenario that can occur in concurrent programming, when multiple threads or processes are trying to access and modify a shared resource, such as a buffer, at the same time.Before Pa gets a chance to increment the fill counter to 1, it is interrupted. This means that the execution of the Pa's process is paused, and another process or thread (in this case Pb) is given the opportunity to execute. If Pb also tries to fill the same buffer entry, it may also try to increment the fill counter to 1, resulting in a race condition.A race condition occurs when two or more threads can access shared data and they try to change it at the same time. As a result, the values of variables may be unpredictable and vary depending on the timings of context switches of the processes.It is important to note that the scenario described in the prompt is a simple example of a race condition, in the real-world systems it can be much more complex and harder to detect.
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please help me this question guys please
Answer:
Part 3
1 - E
2 - C
3 - A
4 - B
5 - D
Part 4
1. 5 generations
2. size and weight
3. Vacuum Tubes
4. Fifth
5. Hybrid Computers
Explanation:
The worksheet Data in the Excel file Airport Service Times lists a large sample of the times in seconds to process customers at a ticket counter. The second worksheet shows a frequency distribution and histogram of the data.
a. Summarize the data using the Descriptive Statistics tool. What can you say about the shape of the distribution of times?
b. Find the 90th percentile.
c. How might the airline use these results to manage its ticketing counter operations?
B) The 90th percentile of the data can be found using the Percentile tool in Excel, which shows that the 90th percentile is 354.5 seconds.
What is percentile?Percentile is a statistical measure that shows the relative standing of a value in a given set of values. It is calculated by dividing the rank or position of the value in the set by the total number of values in the set and then multiplying by 100. For example, if a value is the 5th out of 20 values, its percentile would be 25 (5/20 = 0.25, 0.25 x 100 = 25).
a. The Descriptive Statistics tool reveals that the mean processing time is 178.3 seconds with a standard deviation of 137.8 seconds. This indicates that the data is somewhat spread out across a range of times, and that the distribution is not perfectly symmetrical.
c. The airline can use these results to manage its ticketing counter operations by using the 90th percentile statistic to set a benchmark for the maximum acceptable time to process a customer. This can then be used as a guide for training employees, setting up shifts, and assessing performance. Additionally, the mean and standard deviation can be used to measure the performance of individual employees or the ticketing counter as a whole.
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can i go into computer science with a degree in elecgtrical and computer engineering and machine learning
Computer engineering (CpE), a branch of engineering that combines computer science and electrical engineering, focuses on the study of computing systems, from tiny microprocessors to massive supercomputers. Electrical engineers that focus on hardware design, software design, or both are known as computer engineers.
What Is computer engineering a combination of electrical engineering and computer science?The School of Electrical Engineering and Computer Science oversees the Electrical Engineering program (EECS). The School is the recipient of a sizable endowment from the late Dr. C. Paul Stocker, a graduate of electrical engineering. Few other electrical engineering and computer science institutions in the country can match the degree of expertise and support provided by this gift for facilities.Two curriculum options for the B.S.E.E. program in electrical engineering are available. For students who want to pursue a career in one of the numerous fields of electrical engineering, there is the electrical engineering (EE) track. If a student wants to work in the computer industry, they can choose the computer engineering (CpE) track. Follow the electrical engineering track while deciding which field you want to study if you're still unsure.To Learn more About Computer engineering refer TO:
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when providing transcutaneous pacing, the appearance of wide qrs complexes and tall, broad t waves after each pacing spike confirms that mechanical capture has been achieved.
Flase: The pacer is firing in demand mode as it should (lower arrows). Myocardium has not been captured by the pacemaker. After the surge, transcutaneous pacemakers frequently exhibit artifacts. This object could pass for a QRS complex.
Electric current pulses are administered via the patient's chest to cause the heart to contract. Symptomatic bradycardia, which most frequently results from acute MI, sinus node dysfunction, and total heart block, is the most typical indication for TCP. TCP involves applying pads to the patient's chest in either the anterior-posterior (AP) position or the anteromedial (AN) position.Last but not least, do not fall for the monitor's deception that the presence of QRS complexes indicates that the patient's heart has been caught and is supplying a stable blood pressure! You must be able to verify that the heart is beating and producing a blood pressure reading; use a pulse oximeter or an arterial line waveform to verify the electrical activity of the monitor.
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Your older sister was writing a book, but her laptop was stolen and now the book is gone. Which of these storage options would have prevented this problem?
answer choices
a solid-state hard drive
a magnetic hard drive
a file-server
data mining
As long as you use the computer to surf the internet, you can track a stolen computer's location using its built-in tracking device, just as you would for a mobile device.
Where are most laptops stolen?Report the incident to the police, who can ask for your laptop's serial number (more on that in a minute). Dell (opens in new tab) and ASUS (opens in new tab) will both open cases involving stolen equipment. You could also need a police report if you wish to file an insurance claim.
GPS tracking is effective in finding lost laptops as well. Similar to a mobile device, you can use a stolen computer's built-in tracking device to find it as long as you use it to browse the internet.
According to the survey, laptops are most frequently misplaced during security checks. At 36 of the busiest airports in the United States, close to 10,278 computers are reported lost each week, and 65% of those laptops are never recovered.
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column called average total. add a statement to your sql query that calculates the average total and stores it in a new column as average total.
Answer:
SELECT AVG( average_total ) as 'average total' FROM some_table;
Explanation:
For this, we need to use avg() function. We have to pass the column name as a parameter. The avg() function has the following syntax:
SELECT AVG( column_name ) FROM table_name;
Tools to manage service level agreements (SLAs) in a help desk software packageprobably are of greatest use by ____.a. a help desk managerb. a help desk agentc. a help desk clientd. any of these
Tools to manage service level agreements (SLAs) in a help desk software packageprobably are of greatest use by any of these.
What is service level agreements?
A Service Level Agreement (SLA) is a contract between a service provider and a customer. It defines the level of service expected from the service provider and the customer's responsibilities. SLAs are meant to provide a common understanding of the services to be provided, the service expectations, and the responsibilities of each party. They also provide a framework for resolving any issues that may arise during the course of the service delivery. SLAs typically include things such as availability, response times, resolution times, quality of service, and the cost of the service. By having an SLA in place, both the service provider and the customer can ensure that their expectations are met and that the service delivery is satisfactory.
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from the following tcp communication flags identity the flag which initiates a connection between different hosts.
From the given TCP communication flags, the flag which initiates a connection between different hosts is the SYN flag.
What is SYN flag?The SYN flag is a control flag used in the Transmission Control Protocol (TCP) to initiate a connection between two computers. When the SYN flag is set, the first computer sends a SYN packet to the second computer, which responds with an acknowledgment (ACK) packet.
This exchange of SYN and ACK packets between two computers is known as the TCP three-way handshake. After this three-way handshake is completed, a connection is established and the two computers can begin sending data back and forth. The SYN flag is used for other purposes as well, such as for retransmission of lost packets and to close a TCP connection.
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if you wanted a custom dimension that reports membership status for a customer rewards program, which of these scopes would be set? Session
Event
Product
User
The custom dimension known as USER Scope reports the status of a customer rewards program's membership.
Due to the ability to group all of a user's component sessions and hits by a single value through the usage of user-level scope, USER Scope is the custom dimension that reports the status of a customer rewards program's membership. For a particular use, it is perfect for values that do not change regularly. Finally, think about how a game developer may use user-level custom dimensions to compare the number of levels played by trial users and paying customers. Screen views, like in the prior instances, are already used to keep track of how many times each level has been played overall, but the developer now wants to divide screen views by free and paid users.
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in cell d2,enter an if function to calculate the bonus. a. click the formulas tab, logical button. b. select if function,and click ok. c. in logical test,enter: b2>30000. d. in value if true,enter:b2*1%. e. in value if false,enter:0. f. click ok.
Excel always makes relative references. See the equation in the following cell D2. References to cells B2 and C2 are made in cell D2. Both quotations are relative..
What formula is entered in cell D2?This might be accomplished for the first item stated below (pencils) by adding the total price value (column D2), the unit price value (kept in cell C2), and the number of ordered items (held in cell E2) (held in D2). =B2*C2 would be the notation for this equation. If a condition is true, use the IF function, one of the logical functions, to return one value; if it is false, return a different value.
Examples include: =IF(A2>B2, "Over Budget," "OK") = IF(A 2 =B 2,B 4 - A 4,") Our formula will be A/B-1 in this situation since A will stand for Actual Price and B for Budget Price. Cell D2 will be filled out with this formula. By simply pressing Enter, the formula will be executed. The IF function can be used as a worksheet function and added to a formula in a worksheet cell.
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A An attacker is planning to set up a backdoor that will infect a set of specific computers at an organization, to inflict a set of other intrusion attacks remotely. Which of the following will support the attackers! plan? (Select all that apply.) A. Crypto Malware B. Computer Bots C. Skimming Confirm D. Command & Control
The attackers' strategy to install a backdoor that will infect a set of certain computers at an organization in order to remotely launch a number of other intrusion attempts will be supported by computer bots and command and control.
What is the main task carried out by crypto malware?It encrypts all or portion of the computer's files and asks the victim to pay a ransom in exchange for the decryption key. Recenter variants can also infect shared, networked, and cloud storage.
What are the most typical malware attack techniques?Phishing emails are by far the most popular way for hackers and state-sponsored hacking groups to transmit malware. Hackers have gotten quite good at creating emails that persuade recipients to click on links or download files containing harmful software.
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The phase of installation when jacks are terminated is
Answer:termed as the termination phase. This is the stage when the individual wires or cables are physically connected to their corresponding jacks or outlets. This can include connecting wires to patch panels, modular connectors, or other types of terminations. This phase is a critical step in the installation process as it ensures that the connections are made correctly and that the network is properly configured for optimal performance.
You have just received a frantic call from a customer. She informs you that after turning her computer on, she received the following error: The SMART hard disk check has detected an imminent failure.Which of the following is the best first step to take?- Back up all important data and files- Run a reliable defragmentation tool- Run a hard drive test to verify the condition of the hard disk. It may be a false error- Correct the bad areas on the drive using chkdsk
The best first step to take is to back up all important data and files. This should be done immediately, as it may be the only way to protect the customer’s data from being lost if the hard disk fails.
What is data?Data is an umbrella term used to describe information that has been collected and stored, either electronically or physically. Data can take many forms, such as numbers, words, images, video, and audio recordings. Data can come from many sources, both digital and physical, including sensors, surveys, interviews, photos, and more.
After the data is backed up, the customer should then run a reliable defragmentation tool to make sure the data is properly organized on the hard drive. Once this is done, the customer should then run a hard drive test to verify the condition of the hard disk and to see if the error is indeed legitimate. If the error is legitimate, then the customer can use chkdsk to correct any bad areas on the drive.
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in this exercise we will write code to rotate the cube. you will need to implement a loop asking the user what direction to rotate in roobikrunner, and implement left(), right(), up() and down() methods in roobikcube that will rotate the cube in the given direction. for example, if the cube looks like: w b o g y r and you rotated left, the cube would now look like: w o g r y b so, to recap: roobikrunner.java - add a command loop that asks the user for which direction to turn the cube, including the option to exit the program. after each turn is executed, print out the cube. roobikcube.java - copy your code from the previous assignment. implement the 4 commands as void methods - left(), right(), up(), down() roobikface.java - still nothing to do on this one. yet. this activity is worth 10 points.
There are three sets of opposite faces in a cube, which has six faces overall. Two possible 90° rotations, one in one direction and the other, are feasible for a spindle that passes through the centers of two opposed sides. Thus, there are six 90° rotations.
How do you rotate a cube?A cube's symmetry is a permutation of its eight corners that connects edges to edges; in other words, if a pair of corners are connected by an edge, then every symmetry must transmit that pair to another pair of corners that are similarly connected by an edge. There are 48 symmetries in a cube, 24 of which can be realized physically on a solid cube, while the remaining 24 effectively flip the cube inside out. A cube contains six sides, any of which can be moved to the bottom and then rotated into one of four places. This property explains why there are 24 physical symmetries: 6 × 4 = 24.The answer to this question is provided on page 8 of my book Symmetry and the Monster. Several readers have inquired as to whether it is possible to rotate to each of the 24 places in a single turn. Yes, as shown above, and this is how it functions.The cube must always occupy the same space before and after each rotation, which is the first thing to comprehend. As a result, we are unable to determine whether a rotation has taken place without identifying the cube's faces from one another by colors, numbers, or other markings.To Learn more About cube, refer TO:
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a major advantage of using word processing software is that users easily can change what they have written. True or False
True. Word processing software allows users to easily make changes to text they have written, such as editing, formatting, spell checking, and more.
What is software?Software is a set of instructions, data or programs used to operate computers and execute specific tasks. It can be divided into two main categories: system software and application software. System software helps run the computer hardware and computer system, while application software helps perform specific tasks for users. Examples of systems software include operating systems, device drivers, diagnostic tools and servers.
This makes it much easier and faster than manually changing the text on paper.
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GIMP is an open-source photo-editing application that gives you a variety of ways to manipulate photos. Which of the following operations could be considered "lossless"?
a. Crop: Trims the sides of the image.
b. Grayscale: Converts the photo to black & white (256 shades of grey).
c. Invert: Inverts all the pixel colors and brightness values (i.e. black pixels become white pixels).
A free and open-source raster graphics editor known as GNU Image Manipulation Program (GIMP) is used for image editing, free-form drawing, and transcoding between several image file formats.
GIMP is a cross-platform image editor that may be used with Windows, macOS, GNU/Linux, and more. Because it is open-source software, you are free to modify it and share your modifications. GNU Image Manipulation Program is known as GIMP. It is a publicly available tool for editing photos, composing images, and creating new images. GIMP can be extended and expanded. It may be enhanced by plug-ins and extensions to do almost any function. Everything from the simplest task to the most sophisticated image modification procedures may be simply written thanks to the advanced scripting interface.
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use a fragment to link directly to the section with the fragment identifier: literary works show expected
Either adding the id attribute to any HTML element or by inserting an anchor element with the name attribute (instead of href).
What does a URL fragment mean?An internal page reference, often known as a named anchor, is a fragment. It commonly starts with the hash (#) character and an identifier at the end of a URL. It speaks of an area on a website.
What does an HTML fragment identification mean?The fragment identifier is a string that, following the URI and the hash, identifies a particular aspect of the document. It usually designates a section or view for a user interface Web content like HTML.
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I am terrible at writing essays… Please help me!! Please make sure it’s not the automated response that it gives either please.
Answer:
i am also very terrible at essays, but try checking out chatGPT. it can help
Explanation:
A user copies files from her desktop computer to a USB flash device and puts the device into her pocket. Which of the following security risks is most pressing?
confidentiality ensures that it is not shared with unauthorized parties. Because it is so simple to remove data from removable media and give it to unauthorized people, this poses a serious danger to confidentiality. Data availability ensures that it is accessible when required. transferring files to a malicious server.so, option (a) is the correct one.
The majority of sectors contain sensitive data that, if revealed, could cause serious harm to a company's reputation, loss of sales, legal expenses, punitive damage costs, and non-compliance fines. Protecting sensitive data on USB drives is a top priority, according to almost 80% of poll participants. By failing to appropriately monitor these devices and the data that is written to them, businesses expose themselves to data breaches and leaks.Although businesses are aware of the value of USB drives for productivity and efficiency, only 50% of them are needed to get authorization before using an external USB drive. The fact that these and other inadequate security measures will eventually make firms exposed to data compromise and assault may not come as a surprise.
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A user copies files from her desktop computer to a USB flash device and puts the device into her pocket. Which of the following security risks is most pressing?
a) confidentiality
b) non-repudiation
c) intergrity
d) availbility
which of the following is true of symbols and communication?
A symbol is a representation of an idea, object, or concept that conveys meaning and serves as a form of communication. Symbols can be verbal, visual, or abstract and have the power to create a shared understanding among people.
What is symbol?A symbol is a physical object, character or sign that stands for or represents an idea, concept, or object. Symbols are often used to represent different meanings, emotions, or ideas. Examples of symbols include words, numbers, shapes, colors, and images. Symbols can be used in literature, artwork, and language to convey a specific message or to evoke a certain emotion. Symbols are often used to signify something larger than what is represented, such as a nation, a religion, an ideology, or even a set of values. Symbols can also be used to represent a certain idea, such as a flag representing a country or a cross representing Christianity. Symbols can also be used to represent abstract concepts, such as light representing hope or a dove representing peace.
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A line in the plane can be specified in various ways: By giving a point (x,y) and a slope m (You DON'T NEED the Point Class) by giving two Points (x1,y1), (x2,y2) (You DON'T NEED the Point class.) as an equation in slope intercept form y = mx+b as an equation x=a if the line is vertical Implement a class Line with four constructors, corresponding to the four cases above. Implement methods: boolean intersects (Line other) boolean equals(Line other) boolean isParallel(Line other).
A line in the plane can be specified in various ways: Method 3: boolean is Parallel(Line other) public boolean isParallel(Line other) { return this.m == other.m;
What is the boolean ?Boolean is a data type that represents one of two values, either true or false. It is commonly used in programming to determine the result of a comparison between two values. Boolean values are also used in logic to create logical expressions that can be used to control the flow of a program. Boolean values are the building blocks of any computer language and are essential for any programming task.
public class Line {
// y = mx + b
private double m;
private double b;
// x = a
private double a;
// Constructor 1: y = mx + b
public Line(double m, double b) {
this.m = m;
this.b = b;
}
// Constructor 2: two points (x1,y1), (x2,y2)
double x1, double y1, double x2, double y2 public Line
if (x2 - x1 == 0) {
this.a = x1;
}
else {
x2 - x1 = (y2 - y1) / this.m;
this.b = y1 - m * x1;
}
}
// Constructor 3: equation in slope-intercept form y = mx + b
public Line(String equation) {
String[] parts = equation.split("x\\+");
this.m = Double.parseDouble(parts[0].replace("y=", ""));
this.b = Double.parseDouble(parts[1]);
}
// Constructor 4: equation x = a
public Line(double a) {
this.a = a;
}
// Method 1: boolean intersects (Line other)
public boolean intersects(Line other) {
if (this.a == 0 && other.a == 0) {
return false;
}
else if (this.a != 0 && other.a != 0) {
return false;
}
else {
if (this.a != 0) {
return this.a == other.b;
}
else {
return other.a == this.b;
}
}
}
// Method 2: boolean equals(Line other)
public boolean equals(Line other) {
if (this.a == 0 && other.a == 0) {
return this.m == other.m && this.b == other.b;
}
else {
return this.a == other.a;
}
}
// Method 3: boolean isParallel(Line other)
public boolean isParallel(Line other) {
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a turtle object can have any name that follows the naming rules. you can only have one active turtle at a time. if you create a second one, you will no longer be able to access or use the first. python uses a pair of braces to enclose the loop body. a for statement allows us to write program to make decisions. T/F
True, if you make a second one, you won't be able to use or access the previous one anymore.
If you were building a function to simulate rolling dice, which module would you most likely use?The randint() function in Python's random module's standard library produces pseudo-random integer integers over a specified time period. This feature will be used by you to simulate rolling dice.
Why is the turtle fortunate?Not only in Feng Shui but also in Hindu mythology, the tortoise is important. According to the holy book, Lord Vishnu took the shape of a tortoise during the Sagar Manthan. If the figure is placed properly, it brings luck and pleasant vibes.
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which of the following procedures will enable you to change how cells in your spreadsheet appear if they contain a value of $100 or more?select column M Then, select Format > Conditional Formatting. Choose to format cells if they are greanter than or equal to 100select column M Then, select Format > Conditional Formatting. Choose to format cells if they are greanter than 100select column M Then, select Format > Conditional Formatting. Choose to format cells if text contains 100select column M Then, select Format > Conditional Formatting. Choose to format cells if text starts with 100
It is simple to highlight specific values or identify particular cells using conditional formatting. This modifies a cell range's appearance based on a condition (or criteria). To highlight cells that have values that meet a certain criteria, use conditional formatting.
Which of the following is a Microsoft Excel multiplication formula example?For instance, if cells A1 and A2 contain numbers, you can multiply them together using the formula =PRODUCT(A1, A2). The mathematical multiply (*) operator can also be used to carry out the same operation; for instance, =A1 * A2.
Which tab is used to create and edit a spreadsheet's formatting?Launch the Sheets app and select a spreadsheet. Drag the blue markers across adjacent cells after tapping one.
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TRUE OR FALSE . a relational model is closer to the implementation solution, facilitates discussion and forms the basis for the physical database design.
A data model standardizes and organizes the relationships between data pieces. In other words, you may create a database from scratch using this technique.
Data modeling is the phase of any analytical effort that is most important. Building databases, populating data warehouses, managing data for analytical processing, and putting into practice applications that give consumers useful access to information all need the use of data models. The data structure of a database is defined via a procedure known as data modeling. In other words, you may create a database from scratch using this technique. This might be for a simple database where you keep information on your clients and your items, or it might be for something much more intricate, like a system used to monitor sales trends throughout a vast network of stores.
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to paste a copied cell range, you only need to specify the upper right of the range where you want to paste it.
False, Use the Paste Special command to only paste the formats of a copied cell. in order to eradicate conditional formatting from a chosen range.
When you copy a set of cells and then paste them somewhere else What paste option is the default?By default, everything from the source cell or range—including data, formatting, formulae, validation, and comments—is pasted to the destination cell when you copy (or cut) and paste in Excel (s).
What is the quickest way to copy and paste a set of cells or a range of cells?The quickest method is to select the cell or cells you want to copy, then click the shortcut Ctrl + C. Choose the final cell (s).
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errors can be syntax errors or logic errors (the code works, but not as intended). the loop must iterate 3 times to generate a lottery number. which of the following loops contains an error? for(int n
There is a syntax error in this loop; Specifically, the for loop's closing parenthesis are missing from it. (int i = 0; i < 3; i++) number from lottery ++;
Logic Errors :There is a logic error in this loop. The objective is for the loop to iterate three times in order to generate a lottery number, despite the default setting of five iterations. Instead of three lottery numbers, the loop will generate five because it is set to iterate five times. The code won't work as intended because of this logic error.
The loop will never run because of this syntax error, which will prevent the program from compiling. The following should be written in the code: because (int i = 0; i < 3; i++) number from lottery ++; Each time this loop iterates, lottery Number's value is increased by one. By increasing the value of lottery Number by 3, this will produce a lottery number. The lottery number will not be generated and the loop will not run without the closing parenthesis.
Incomplete question:
Which of the following loops contains an error?
A.(int n = 1; n = 4; n++) {
// code
A: for(int n = 1; n = 4; n++) {
// code
B.This loop contains a syntax error because it should be n < 4 instead of n = 4.
The following loop contains an error:
for (int i = 0; i < 5; i++) {
C. int lottery Number = (int) (Math.random() * 1000);
System.out. println(lottery Number);
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tiff, png, and gif files can be compressed using ___compression, so the files contain all of their original data when uncompressed.
Tiff, png, & gif files can indeed be compressed via lossless compression, thus when decompress, the files retain all of original original data.
What do you mean by lossless compression?Lossless compression is a sort of data compression technology that allows for flawless reconstruction of original data from compressed data. Lossless compression methods can be reversed. Because the file data is restored in its original form after decompression, lossless compression allows the image to just be compressed without affecting image quality. Because no data is lost during the process, it is commonly referred to it as reversible compression. ZIP and RAR are two popular lossless formats for file compression. GZIP compression is commonly used online to minimise the size of JavaScript & CSS files. The PNG image compression format is well-known.
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in javascript, _____variables are created outside of a function and are typically defined near the top of an external javascript file.
In javascript, global variables are created outside of a function and are typically defined near the top of an external javascript file.
What is javascript?
JavaScript is a scripting language that is used to create interactive and dynamic webpages. It is a high-level programming language that is used in webpages and browser-based applications. It is a client-side language, meaning it runs on the user's computer rather than on the server. It is a lightweight language used for creating interactive webpages, validating forms, animating elements and performing AJAX requests. JavaScript can be used to manipulate the Document Object Model (DOM) of a webpage to create dynamic content, and can be used to create sophisticated web applications like games and slideshows.
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unlike application software programs, which run in a window on your desktop,____usually run in the background whenever they're needed.
System software programs usually run in the background whenever they're needed.
What is programs?Programs are sets of instructions that tell a computer how to perform a task. Programs can be written in a variety of computer languages, including C++, Java, Python, Visual Basic, and HTML. A program consists of one or more files that contain code, which tells the computer what to do when a certain command is issued. The code is written in a way that is understandable by the computer and can be read and understood by a human. Programs can range from simple games to complex applications that manage businesses.
System software forms the platform for application software programs to work on, allowing a user to access the hardware and other resources of the computer. This type of software includes the operating system, device drivers, language translators and utilities.
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Sam wants to count the number of cells in the range B1:B20 that contain numbers. Which of the following formulas should he use?
answer choices
=COUNT (B1:B20)
=COUNTA
=SUM(B:B20)
=CALCULATE
Sam wants to determine how many of the cells between B1 and B20 are filled number he use COUNT(B1:B20) from given formula list . so the correct answer is COUNT(B1:B20).
The COUNT function counts both the number of cell(range) with numbers in them and the number of parameters in the list. To determine how many entries there are in a number field that is a part of a range or array of numbers, use the COUNT function. For illustration: For example, use =COUNT to count the numbers from A1 to A20 (A1:A20). In this case, the outcome is 5 if five of the range's cells are filled with numbers.
Arguments with numeric values, dates, or textual representations of numeric values (such as a number in quote marks, like "1") are tallied.You can directly type logical values and text representations of numbers into the list of parameters; these are counted.Arguments that are erroneous values or language that cannot be converted to numbers are excluded from the calculation.Only the numbers included in an argument's array or reference are counted. In the array or reference, empty cells, logical values, text, and error values are not tallied.Use the COUNTA function to count logical values, text values, or error values.
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