The ENIAC is the first general-purpose electronic computer in the world that was put up on sale for the public. ENIAC was finished in 1945 and used for real-world applications for the first time that year.
On February 15, 1946, ENIAC was solemnly dedicated at the University of Pennsylvania, and the press hailed it as a "Giant Brain."
The United States Army commissioned ENIAC to create artillery shooting tables. John Mauchly, a physicist, presented an all-electronic calculator in 1942.
ENIAC fell short of the ideal of a universal computer. It missed some features that would have made it a more versatile machine because it was intended particularly for computing data for artillery range charts. It employed plugboards to transmit instructions to the machine, which had the benefit of allowing it to operate at electronic speed once the instructions had been "programmed" into the system.
The ENIAC was entirely electronic, therefore instructions read by a card reader or other sluggish mechanical device would not have been able to keep up. The drawback was that rewiring the equipment for every new issue took days. This was such a liability that it could only be loosely referred to as programmable. The end result was ENIAC (Electronic Numerical Integrator And Computer), which was constructed between 1943 and 1945 and was the first large-scale computer to operate entirely at electronic speed.
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what is margin debt to capital ratio?
A measure of an organization's financial leverage is the debt-to-capital ratio. Interest-bearing obligations of the business, both short- and long-term.
What is the best debt-to-capital ratio?Though it varies by business, a debt-to-equity ratio of approximately 2 or 2.5 is generally regarded as favorable. This ratio indicates that for every dollar invested in debt, the firm obtains about 66 cents, with the remaining 33 cents coming from equity.
What happens when margin debt is significant?The possibility exists that traders may need to raise money—often by selling shares—in the event that their investments lose value in order to deposit the necessary sum of cash into their accounts to meet the broker's criteria.
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Leverage on the company's financial side is gauged by the debt-to-capital ratio. By dividing the company's interest-bearing debt, including both short- and long-term liabilities, by the total capital, the debt-to-capital ratio is determined.
What is the best debt-to-capital ratio?A debt-to-equity ratio of around 2 or 2.5 is typically seen as beneficial, though it varies in each business. According to this ratio, the company receives roughly 66 cents for every dollar invested in debt, with the remaining 33 cents coming through equity.
In the event that their investments decline in value, traders may need to obtain capital (typically by selling shares) in order to deposit the required amount of cash into their accounts in order to satisfy the broker's requirements.
Therefore, The debt-to-capital ratio is a gauge of an organization's financial leverage. Both short- and long-term corporate obligations that bear interest.
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Martha and Ethan are evaluating the following image. What aspect of composition does this image not fulfill?
A. the use of rule of odds in the image
B.
the use of simplification in the image
C. the use of sense of movement in the image
D. the aesthetic appeal of the image
Answer: B. : the use of simplification in the image
your welcome .
what is the forging of the return address on an email so that the email message appears to come from someone other than the actual sender?
The email message appears to come from someone other than the actual sender is called email spoofing.
Email spoofing is a type of cyber attack that involves creating an email message with a fake "From" address in order to deceive the recipient into believing that the message is coming from a trusted source, such as a friend, a colleague, or a legitimate business.
Email spoofing can be accomplished by a variety of methods, such as:Creating a fake email account that looks similar to the actual sender's email address, using a technique called "email address spoofing."Hijacking the actual sender's email account and sending messages on their behalf, using stolen login credentials or other methods.Modifying the email header of a message to make it appear as if it came from a different email address.Email spoofing can be used for a variety of purposes, such as phishing attacks, malware distribution, and social engineering scams. It can be difficult to detect and prevent, as email servers and clients may not always check the authenticity of the "From" address, and some spoofing techniques can be very convincing.
To protect against email spoofing, it is important to use strong email authentication protocols, such as SPF (Sender Policy Framework) and DKIM (DomainKeys Identified Mail), which can help to verify the authenticity of email messages and prevent spoofed messages from being delivered. Additionally, users should be cautious when opening email messages, particularly those that request sensitive information or urge urgent action, and should verify the authenticity of the sender before responding.
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Which IEEE standard determines how VLANs work on a network?
802.11
802.1Q
802.3af
802.1x
The IEEE standard that determines how VLANs work on a network is 802.1Q.
IEEE 802.1Q is a standard that defines the virtual LAN (VLAN) tagging protocol used in Ethernet networks. It allows network administrators to group devices together into logical LANs based on their function, location, or other criteria, without the need to physically separate them into different networks.
The 802.1Q standard uses a 4-byte VLAN tag that is added to the Ethernet frame to identify the VLAN membership of the frame. The tag contains a VLAN ID that is used to differentiate between different VLANs on the network.
By using VLANs, network administrators can improve network performance, security, and manageability. VLANs can reduce network congestion by separating broadcast domains, provide better control over network access, and simplify network management by allowing devices to be grouped logically instead of physically.
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what mis regents professors developed a sophisticated data-analysis software called coplink that is used by law-enforcement agencies worldwide?
The development of the sophisticated data-analysis software called COPLINK is credited to two Regents Professors at the University of Arizona, Dr. Hsinchun Chen and Dr. Jay Nunamaker, who created the system in the late 1990s.
Why is the above software important?COPLINK is used by law-enforcement agencies worldwide to analyze large amounts of data and help solve crimes.
COPLINK is important because it provides law enforcement agencies with a powerful tool to analyze and link data from a variety of sources, including crime reports, arrest records, and other databases.
This helps investigators identify patterns and connections between seemingly unrelated crimes and suspects, leading to more efficient and effective crime-solving. COPLINK has been used successfully to solve thousands of cases and has become an essential tool for law enforcement agencies worldwide.
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how to writing output of command into pipe in c?
A standard output from of the command to its left is piped, or transferred, into the input file of the function to its right. The first line of code, echo "Hello World," prints Hello World to standard output.
Describe an output?Regarded production. Anything that can be seen on your computer's monitor, such as the text you write on the keyboard, is an example of output. the autos that come out of the factory; creative output. the quantity or sum generated, as in a specific period of time: to boost daily output. the output, also known as the product.
Describe a monitor?Cathode ray tubes (CRT) were used in older computer monitors, which made them bulky, heavy, and ineffective. A screen is a hardware component for computers that shows the video.
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when you record a presentation, powerpoint will use the timings and narration you recorded as the default playback options for the presentation. true false
True. Power point will utilize your recorded timings and narration as the presentation's computer default playback choices.
You can capture voice, pen gestures, and your live video presence when you record your PowerPoint presentation—or just a single slide. After finished, it functions just like any other presentation. You may either download the presentation as a video clip or play it for your audience as a slide show. They will be able to view your presentation with the passion and personality that you intended rather of merely "handing the deck" to someone. You can capture voice, pen gestures, and your live video presence when you record your PowerPoint presentation—or just a single slide. After finished, it functions just like any other presentation. You may either download the presentation as a video clip or play it for your audience as a slide show.
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what is chicago to new york flights
Flights from Chicago to New York are airplane trips that connect the two major cities.
There are several airlines that offer non-stop and connecting flights between the two destinations, including United Airlines, American Airlines, and Delta Airlines. The flight duration typically ranges from 2 to 3 hours, depending on the specific airline and route.
It is important to note that flight times and availability may vary based on the time of year and other factors. It is recommended to check with the specific airline for the most up-to-date information.
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what is the major b n?
The major b n is a musical scale where the notes are separated by a semitone.
What is major b n?Major b n in music is a term used to describe the scale of a song or piece of music. It is the major chord or key of a song and is typically expressed in the form of an alphabetical letter such as A, B, or C. Major b n is the most important element of a song and can affect the overall mood or tone. It is determined by the type of chords used and the order they are played in. For example, a song in A major will have a different feel than a song in B major. The major b n of a song can also determine the tempo and tempo changes that occur throughout the song. It is important for musicians to understand how major b n works and how it can affect the overall sound of a piece of music.
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cloud computing"" is when your data storage or computing power exists all over the internet cabling infrastructure and never actually gets stored on a computer anywhere. A. true B. false
The given statement "what is meant by "cloud computing" is when your data storage and/or computing power are scattered over the network architecture of the Internet and are never actually retained on a computer anyplace" is (A) TRUE.
What is Cloud computing?When your data storage and/or computing power are distributed over the Internet's network architecture and are never actually kept on a computer anywhere, this is what is meant by "cloud computing."
Without hyperthreading turned on, a physical CPU core can process two instructions at once.
Cloud computing often uses a "pay as you go" model, which can help reduce capital expenses but may also result in unanticipated running expenses for users.
Cloud computing depends on resource sharing to accomplish coherence.
Cloud computing advocates assert that public and hybrid clouds enable businesses to avoid or reduce upfront IT infrastructure costs.
Therefore, the given statement "what is meant by "cloud computing" is when your data storage and/or computing power are scattered over the network architecture of the Internet and are never actually retained on a computer anyplace" is (A) TRUE.
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how to extract integer from string in python
Easy Python Techniques for the Extraction of String Digits:
1. Using the Python string's isdigit() function to retrieve the digits. The string is provided to us by Python.
2. Extracting digits using the regex library.
What are python strings?Because Python strings are "immutable," they cannot be modified after they have been formed (Java strings also use this immutable style).
We create *new* strings as we go to represent computed values because strings cannot be modified.
A string in computer programming is a group of characters.
For instance, the word "hello" is made up of the letters "h," "e," "l," "l," and "o."
Here, a string variable called string1 has been created.
Two Simple Python String Digit Extraction Methods:
1. Using the Python string's isdigit() function to retrieve the digits. The string is provided to us by Python.
2. Extracting digits using the regex library.
Therefore, easy Python Techniques for the Extraction of String Digits:
1. Using the Python string's isdigit() function to retrieve the digits. The string is provided to us by Python.
2. Extracting digits using the regex library.
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Where in Group Policy can you locate the policy that requires a smart card to be used to authenticate a user to Windows?
a. Computer Configuration, Windows Settings, Security Settings, Local Policies, Biometrics
b. Computer Configuration, Administrative Templates, System, Logon
c. Computer Configuration, Windows Settings, Security Settings, Local Policies, Security Options
d. User Configuration, Administrative Templates, System, Logon
The right configuration of Smartcard workstations, Active Directory, and Active Directory domain controllers is necessary for Smart Card Authentication to Active Directory.
Where can I use a smart card?Applications that require the protection of personal data and/or the delivery of quick, secure transactions, like transit fare payment cards, government and corporate identification cards, documents like electronic passports and visas, and financial payment cards, use contactless smart card technology.
How can I make Windows allow smart card logon?On the logon screen, select the Smart card option from the user list (see screenshot below). The certificate supplied by the smart card is automatically used to determine the identity of the user logging in.
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How to use veracrypt share container from two different systems?
For instance, a server stores a dismounted Vera Crypt storage container on a single device. Through a network, this encrypted information is transferred.
What do servers do?A server's job is to distribute tasks, share resources, and exchange data. A server computer may also be able to serve its own software; depending on the situation,The actual computer which a server program runs on in a data center is also repeatedly alluded as a server. For instance, a Web server on the World Wide Web is a computer that utilizes the HTTP protocol and transfer Web pages to the client's computer in response to a client request.
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what is wrong with the following code int[] first = new int[2];
The code is syntactically correct, but it does not initialize the array with any values.
What is code?Code is a set of instructions written by a programmer to produce a specific result. It is often written in a programming language such as HTML, CSS, JavaScript, PHP, and Python. Code is used to create websites, apps, and software. It is also used to control robots, medical equipment, and other gadgets. Code is an important part of software engineering as it helps developers create applications that are more efficient and user friendly. It plays an essential role in the development of websites, apps, and software. Code is also used to automate processes and make them more efficient, allowing people to save time and money.
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To create a new directory in a user's home directory named MyFiles, you use which of the following commands? B. mkdir ~/MyFilesA. mkdir ~/myfilesC. md-/myFilesD. mkdir MyFiles
The correct command to create a new directory in a user's home directory named MyFiles is: B. mkdir ~/MyFiles.
What is commands?In the context of computing, a command refers to a specific instruction given to a computer or software program to perform a particular task. Commands can be entered via a command line interface, which is a text-based method of interacting with a computer, or through a graphical user interface, which typically involves selecting commands from a menu or toolbar.
Commands can take many forms, depending on the operating system, software application, or programming language being used. Some common types of commands include:
Operating system commands: These are commands used to interact with the operating system on a computer, such as creating, copying, moving, or deleting files and directories, configuring system settings, or managing user accounts.
Software application commands: These are commands specific to a particular software application, such as formatting text, applying filters to an image, or running a simulation in a scientific application.
Programming language commands: These are commands used in computer programming to create and manipulate data, perform calculations, or control the flow of a program.
In general, commands provide a way to interact with a computer or software program in a structured and efficient manner, allowing users to perform complex tasks quickly and easily. The syntax and functionality of commands can vary widely depending on the system or application being used, but understanding how to use them effectively is an essential skill for many computing-related tasks.
Here,
This command will create a new directory named "MyFiles" in the user's home directory, indicated by the tilde (~) character. The tilde is a shorthand way of referring to the current user's home directory, regardless of their username or the specific path to the home directory.
Note that the capitalization of the directory name is important. Unix-based operating systems, including Linux and macOS, are case-sensitive, so "MyFiles" and "myfiles" would be treated as two separate directories.
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For Python, the term data type can be used interchangeably with what other term? A. index B. class C. object D. sequence
For questions 5-8, consider the following code:
def mystery(a = 2, b = 1, c = 3):
return 2 * a + b + 3 * c
What is the output for mystery(4, 3, 7)?
What is the output for mystery(5, 8)?
What is the output for mystery(1)?
What is the output for mystery()?
The output for mystery(4, 3, 7) is shown below. The output of the function mystery with the inputs (4, 3, 7) would be 2 * 4 + 3 + 3 * 7, which is equal to 8 + 3 + 21 or 32.
The value that the method numsInfo returned best fits which of the following?The index of the first element in the array whose value is identical to that of element at position n.
What exactly is the number mystery?The definition of a mystery number is a number that may be written as the sum of two other numbers, and those two numbers must be the opposites of one another.
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what is calculator that shows work
A calculator that shows work is a type of calculator that not only provides the answer to a math problem, but also displays the steps that were taken to arrive at the answer.
This type of calculator is useful for students who need to see how to solve a problem step by step, and for teachers who need to check a student's work. There are many different types of calculators that show work, including online calculators, graphing calculators, and scientific calculators.
Each of these types of calculators has different features and capabilities, but all of them are designed to help students and teachers understand the steps involved in solving a math problem.
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How to not equal in python
In Python, the Not Equal Operator An answer of "true" is given if the values being compared are identical. False is returned if the values under comparison are not equal.
In Python, what Does!== Mean?Programming in Python for Server Side Programming. The not equal to operator, or!=, is defined in Python. If the operands on either side are not equal to one another, the function returns true; if they are, it returns false.
Is!= the same as ==?Unless both operands have the same value, the equal-to operator (==) returns false. When the operands do not share the same value, the not-equal-to operator (!=) returns true; otherwise, it returns false.
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which type of printer should you purchase if your company needs to print employee id cards?
If your organization wants to print employee identification cards, you should get a dye-sub printer.
An ID card printer is what?A PVC (plastic) card can be printed on using an ID card printer. Printing of credit cards, membership cards, and more is done using these. ID card printers function similarly to a standard inkjet printer.
To produce ID cards, what is required?You'll need a ribbon and plastic ID cards in addition to the printer, software, and software. Using a ribbon with colored yellow (Y), magenta (M), and cyan (C) panels, card printers can print in full color, just like a photograph. For printing legible barcodes and other information, ribbons also come with a black resin panel.
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CSS code, which styles a web page, is commonly found between which tags in an HTML file?
a.
b.
c.
d.
Using the element in the HTML section, we may link the CSS to an HTML file. The image shown below will be the appearance of your CSS file.
What form of CSS is applied when style properties are inserted into HTML tags?Linear CSS Inline CSS is used when a CSS property is present in the body of an element that is attached to it. With the style attribute, this form of style can be defined within an HTML tag. HTML, for example.
Which CSS model is applied to web page design and layout?Flex box is the abbreviation for the Flexible Box Layout CSS module, which enables us to quickly arrange elements in a single dimension, either as a row or a column.
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How do you append to a list in Python?
To add an element to a list in Python, append the element to the end of the list. The element is inserted before the given index using the insert() function. The extend() function lengthens the list by including more members from the iterable.
What is an element defined as?
an essential element of a totality. In chemistry, a simple substance is one that cannot be divided into smaller components or transformed into another substance. An element's fundamental building block is an atom, which is made up of protons, neutrons, and electrons. The number of protons in an element's atoms is constant. The minute components that make up matter are called elements. An element is defined by science as a pure substance that contains only one type of atom and cannot be converted further into other substances.
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what is infinity symbol?
The infinity symbol is a mathematical symbol that represents the concept of infinity, which is an unlimited or unending quantity. It is depicted as a sideways figure eight ( ∞ ) and is often used in mathematics, philosophy, and theology to represent the idea of something that has no bounds or limits.
In mathematics, it is used to represent an infinitely large number or an infinitely small number, depending on the context. It is also used in calculus to represent an infinitely small increment or an infinitely large sum. The symbol is derived from the Greek letter omega (Ω), which was used by ancient Greek mathematicians to represent the concept of infinity. Outside of mathematics, the infinity symbol has taken on a variety of meanings and interpretations. It is often used to represent eternal love or the idea of something that is infinite or endless. The symbol has also been used in art, literature, and popular culture as a symbol of transcendence or spiritual enlightenment.
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HHow to cite my source apa?
To cite sources in APA format, you typically need to include the author's name, the publication year, the title of the work, and publication information such as the publisher and the location of the publisher.
The exact format of the citation will depend on the type of source you are citing (e.g., book, journal article, website, etc.) follow these steps:
1. Start with the author's last name, followed by a comma and the first initial. For example: Smith, J.
2. Next, include the publication date in parentheses. For example: (2018).
3. Then, include the title of the work in italics. For example: The Effects of Social Media on Communication.
4. Finally, include the source information, such as the journal name, volume number, and page numbers. For example: Journal of Communication, 68(4), 345-367.
Your final citation should look like this: Smith, J. (2018). The Effects of Social Media on Communication. Journal of Communication, 68(4), 345-367.
Be sure to double-check the specific citation guidelines for your assignment or publication, as there may be additional requirements or formatting rules.
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_____ are computer programs that decide which material appears in search engines, social media feeds, and elsewhere on the internet.
The correct answer is access to big audiences, while social media and search engines engage a worldwide audience at a record-breaking pace. This explains why the internet is successful.
In computer programming, an engine is a programme that carries out a key function for other programmes. An engine is used to organise the overall operations of other programmes in an operating system, subsystems, or application programmes. Computers are managed by software. Software can be divided into three categories: system software, utility software, and application software. The inventor of the computer, Charles Babbage (1791–1871), created two categories of engines: Difference Engines and Analytical Engines. Difference engines get their name from the method of finite differences that serves as its foundation in mathematics. Typically, there are two main categories into which computer software falls: Application software and system software
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which cellular technology utilizes new frequency bands to reach proposed speeds of up to 70 gbps?
Using a local antenna within the cell, all 5G wireless devices are connected to the Internet and phone network via radio waves.
Which network technology is employed to give some network traffic types priority over others?Any solution that controls data flow to lower packet loss, latency, and jitter on a network is known as a quality of service (QoS). By establishing priorities for particular types of network traffic, QoS regulates and maintains the network's resources.
Which of the following networking tools is employed to move network traffic between two or more different networks and onto its intended location?Routers: A router is a physical or virtual device that connects networks by sending data packets containing information. In order to decide the optimal path for the information to take to go to its final destination, routers examine the data included in the packets. Data packets are forwarded by routers until they arrive at their target node.
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before installing an application in windows, what should be the first thing verified?
The compatibility of a programme with the linux kernel must be confirmed prior to installing it.
Is Windows 11 a better over 10?Multiple tasks and Quick Layouts
Although Windows 10 enables this, Windows 11 makes it simpler to access Snap Floorplans and offers more configurations. Since its debut, Microsoft also have added more features to Snap Layouts. Windows 11 also addresses a significant problem with cross setups.
What category of computer is Screens?
Microsoft created this operating system called Windows. You are only able to use a computer because to the operating system. Linux is the most widely used platform in the world since this comes preloaded on the majority of laptops (PCs).
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True/False? a web app is an app that you access instead of a web browser.
False. A web app, often referred to as a web application, is a piece of software that runs on a web server and can be accessed via the internet using a web browser.
Do you use a web app instead of a web browser to view it?A web application is a piece of software that can be accessed from a remote server using a web browser and does not need to be installed. Web apps are designed for user interaction, enabling data transmission and consumption between the web server and the browser.
A mobile app is it possible to open a desktop app on a mobile device?A mobile app is a desktop app that you launch on a mobile device. web software.
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which technology is predominantly used for contactless payment systems
Contactless payment systems are becoming increasingly popula several technologies that are predominantly used to enable these transactions.
Near Field Communication (NFC) - This is the most commonly used technology for contactless payments. It allows two devices to communicate with each other over a short distance using radio waves.Quick Response (QR) codes - QR codes can be scanned with a smartphone to initiate a payment. They are often used for mobile payments.Radio Frequency Identification (RFID) - RFID is used in contactless credit cards and other payment devices. It uses radio waves to communicate with payment terminalsBluetooth - Bluetooth can also be used for contactless payments. It allows two devices to communicate with each other over a longer distance than NFC.Biometric authentication - Some payment systems use biometric authentication such as fingerprints or facial recognition to initiate a contactless payment.
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which device would you most likely find in the home of a hearing person but not in the home of a deaf person today?a counter timer wireless speaker system bed shakera teletypewriter
Answer: some deaf people don’t have speakers or telephones
Explanation:
