Select all the statements that are true about top down and bottom up parsers. Question 30 options: A bottom-up parser constructs a parse tree by beginning at the leaves and progressing toward the root. The bottom-up parser order corresponds to the reverse of a rightmost derivation. A top-down parser traces or builds a parse tree in preorder. A top-down parser corresponds to a leftmost derivation.
Answers
The following statements are true about top-down and bottom-up parsers:
A bottom-up parser constructs a parse tree by beginning at the leaves and progressing toward the root. The bottom-up parser order corresponds to the reverse of a rightmost derivation. A top-down parser traces or builds a parse tree in preorder. A top-down parser corresponds to a leftmost derivation.A bottom-up parser begins with the input string and attempts to transform it to the start symbol of the grammar by shifting and reducing. A bottom-up parser creates the parse tree by starting at the leaves and working its way up to the root.
A bottom-up parser order corresponds to the reverse of a rightmost derivation. This is called a shift-reduce parser.
A top-down parser builds a parse tree by starting at the top of the tree and working its way down to the leaves. The top-down parser constructs the parse tree in preorder.A top-down parser corresponds to a leftmost derivation. This is called a recursive descent parser.
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Related Questions
NEED THIS ASAP!!) What makes open source software different from closed source software? A It is made specifically for the Linux operating system. B It allows users to view the underlying code. C It is always developed by teams of professional programmers. D It is programmed directly in 1s and 0s instead of using a programming language.
Answers
Answer: B
Explanation: Open Source software is "open" by nature, meaning collaborative. Developers share code, knowledge, and related insight in order to for others to use it and innovate together over time. It is differentiated from commercial software, which is not "open" or generally free to use.
Explain why it is important to use the correct spatial
referencing method, map projection and datum in a GIS project
Answers
Answer:
Using the correct spatial referencing method, map projection, and datum in a Geographic Information System (GIS) project is crucial for several reasons:
Explanation:
Accurate Geospatial Analysis: GIS projects involve analyzing and visualizing spatial data. Choosing the appropriate spatial referencing method ensures that the data aligns accurately with the real-world geographic coordinates. It enables accurate geospatial analysis, such as measuring distances, calculating areas, and performing spatial queries.
Data Integration and Interoperability: GIS projects often involve combining datasets from various sources and integrating them into a common spatial framework. Using consistent map projections and datums ensures that different datasets align properly and can be integrated seamlessly. It facilitates data interoperability, allowing different GIS layers to be overlaid and analyzed together accurately.
Avoiding Distortions and Errors: Different map projections introduce distortions in representing the curved Earth surface on a flat map. Each map projection has its own strengths and limitations, and choosing the appropriate one for a specific project minimizes distortions and errors. Using an unsuitable map projection can lead to inaccuracies, such as misshapen features, distorted distances, or incorrect spatial relationships.
Coordinate Transformation and Data Sharing: GIS projects often require sharing data with others or integrating data from different regions or coordinate systems. By using the correct datum and coordinate transformation techniques, data can be accurately converted between different spatial referencing systems, ensuring seamless data sharing and integration. It facilitates collaboration among different stakeholders and allows for the proper analysis of data across different geographic areas.
Standardization and Consistency: Following established spatial referencing methods, map projection standards, and datums ensures consistency across GIS projects and promotes interoperability with existing geospatial datasets and systems. It enables data sharing, comparison, and analysis between different projects and organizations, fostering a standardized and compatible geospatial data environment.
What are some things you think are worthwhile and are willing to work harder to accomplish? Check all that apply.
getting good grades
having a lot of friends
playing on a team
learning a musical instrument
being on a committee or in a club
Answers
The things that are most worthwhile and I am willing to work harder to achieve are:
Get good grades.Playing in a team.What is effort?Effort is a concept that has different definitions. In some cases it can be interpreted as the force that we apply against some impulse or resistance, to counteract or reverse it.
On the other hand, it refers to the energy or vigor that is put into the realization of something, overcoming obstacles. In general, the effort involves overcoming adverse conditions through will and dedication.
According to this definition, it can be inferred that the things that are most worthwhile would be getting good grades and playing on a team because they require constant effort to be fulfilled.
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SXXSSSSSSSSSZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
Answers
Answer:
okkkk
Explanation:
MARK ME BRAINLIEST PLZZZZZZZZZZZZZZZZZZZZZZZZzzzzzzzzzzzzzzzzzzzzPart B Identify the Boolean data type in the database and explain why it is a Boolean field.
Answers
Answer:
Talent Show Registration
Explanation:
Boolean is True or False so the only one that is true or false is Talent Show Registration as there is Yes and No
which search engine is used as a search engine for every web browser? Give two web browser name and describe them which search engine they use. And why?
Answers
That's Go.ogle.
Two famous web browsers present are
Ch romeMo zila Firefox.Chr ome is known for efficiency and lots of ad shuttering + surfing through higher data usage and heavy n et traffic.
Where as Fire fox is comparatively faster , privacy at peak and surfing through compartively lower dat a usage
Answer:
go..ogle & Micr...osoft ed;.ge
Explanation:
i use go..ogle because its the default search engine so its already there unlike micr...osoft ed;.ge......
Emily is deciding whether to buy the same designer jacket her friends have. The jacket is much more expensive than a similar one from a lesser-known brand. Which questions should she consider before she buys the jacket? Check all that apply. Is advertising influencing her? What are her motivations? Has she compared prices? Is she buying at the right time? Will her sister like the jacket too?
Answers
What are her motivations?
Has she compared prices?
Is she buying at the right time?
The questions that she should consider before she buys the jacket are:
Is advertising influencing her?What are her motivations?Has she compared prices?Is she buying at the right time?What is buying?The act of buying an item is known to be acquiring a specific possession, or ownership/ rights to the use that thing or services. This can only be done through payment that is mostly based on the use of money :
Note that before getting something, one must consider other things such as prices and the reasons for buying the item before one can go ahead to purchase that thing.
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how have the ipv4 limitations been solved? (select all that apply) 1 point by using network address translation by creating more ipv4 address by using dns by implementing the ipv6 protocol
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By using DNS by implementing the ipv6 protocol by enabling ipv4 over ipv6 tunneling.
Several Solutions to IPv4 limitationsThe IPv4 limitations have been solved by several methods. Network Address Translation (NAT) is a technique that allows the use of a single public IP address to provide internet access to multiple private IP addresses, increasing the number of available addresses.
DNS (Domain Name System) is a distributed database that maps domain names to IP addresses, allowing users to connect to websites and other services using a recognizable name rather than a numerical IP address. IPv6 is the latest version of the Internet Protocol, which provides a much larger address space than IPv4, thereby allowing for more unique IP addresses.
Additionally, IPv4 over IPv6 tunneling is a technique that allows IPv4 packets to be encapsulated inside IPv6 packets and sent over an IPv6 network. This allows IPv4 networks to connect to IPv6 networks without the need to upgrade all devices to support IPv6. All of these methods have been used to solve the IPv4 limitations and provide more IP addresses.
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The advantage of a digital camera in taking nighttime photographs is that you can see
the results right away.
• True
© False
Answers
Answer:
Ima say true
Explanation:
What is Communication
Answers
Which of the following steps does a data scientist take before determining usable results?
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Before determining usable results, a data scientist takes several steps to ensure the accuracy and validity of their findings. First, they define the problem and clearly articulate the hypothesis they are investigating. Next, they gather and clean the relevant data, ensuring that it is accurate and complete. This may involve removing duplicates, correcting errors, and filling in missing values.
Once the data is cleaned, the data scientist will then explore it using statistical analysis and visualization techniques. This allows them to identify patterns, trends, and relationships in the data and determine which variables are most relevant to the research question. They may also use machine learning algorithms to identify patterns that are not immediately apparent.
After analyzing the data, the data scientist will then develop and test models to determine which best predicts the outcome of interest. This involves selecting the appropriate model, tuning its parameters, and evaluating its performance using cross-validation or other techniques.
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write the order of tasks that each person completes in order to make mashed potatoes in the shortest time. in order to format your answer, write the sequence of tasks each person does, with commas between tasks of one person, and semicolons between task lists of different people. for example, if you submit 0,1,2,4;3,5, person 0 will do tasks 0, 1, 2, and 4 (in that order), and person 1 will do tasks 3 and 5 (in that order). this will take 33 minutes total. you may add spaces, and order the task lists in any order. for example, the autograder will consider the above answer as equivalent to the submission 3,5;0,1,2,4 and the submission 0, 1, 2 ,4 ;3 ,5
Answers
To make mashed potatoes in the shortest time, the tasks can be divided among multiple people. Here is one possible distribution of tasks:
Person 1: Peel and chop potatoes, Boil water, Drain potatoes, Mash potatoesPerson 2: Set the table, Prepare butter and milk, Season mashed potatoe Person 3: Make gravy, Serve mashed potatoes and gravyThe sequence of tasks for each person can be represented as follows:Person 1: Peel and chop potatoes, Boil water, Drain potatoes, Mash potatoesPerson 2: Set the table, Prepare butter and milk, Season mashed potatoesPerson 3: Make gravy, Serve mashed potatoes and gravyNote: The order of the task lists can be rearranged, and spaces can be added for clarity. The autograder will consider answers with equivalent task sequences as correct.
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Which command displays information about all loaded modules on the system?
Answers
The command "lsmod" is used to display information about all loaded modules on the system.
The "lsmod" command is a utility available in Linux-based operating systems that lists information about the currently loaded kernel modules. When executed without any arguments, "lsmod" will display a table containing details such as the module name, size, used by count, and a list of other modules that depend on it.
Kernel modules are small pieces of code that can be dynamically loaded and unloaded into the running kernel, providing additional functionality or device support. They are essential for managing hardware devices, filesystems, network protocols, and other system components.
The "lsmod" command allows system administrators and users to quickly inspect the loaded modules and understand the dependencies between them. This information can be helpful for troubleshooting issues related to hardware or software modules, ensuring proper functionality and compatibility within the Linux system.
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Which of the following is the BEST reason to use cash for making purchases?
Answers
You could get a better deal.
Companies get charged when someone makes a card purchase. So if you pay in cash you could get a better deal. Like when you are buying a car, you can get a better deal because you are paying upfront and on the spot so they wont have to worry about you missing paymenyd
Ariana has decided to allow some of her co-workers to use the personal photographs
that she took for their business website. Before doing this, however, what does she
need to obtain to grant them permission?
A. a sticker
B. the property value
C. watermark
D. a license
Answers
Answer: D. a license
Ariana needs a license in order to obtain to grant them permission. Thus, the correct option for this question is D.
What are Business websites?Business websites may be defined as a space that significantly provides general information about the company or a direct platform for e-commerce.
It involves the collection of World Wide Web pages usually containing links to each other and made available online by an individual, company, or organization.
Before deciding to allow some of her co-workers to use their personal photographs, Ariana needs to obtain to grant them permission in the form of a license. This is because it captures the personal identity of co-workers.
Therefore, Ariana needs a license in order to obtain to grant them permission. Thus, the correct option for this question is D.
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Which technology would you choose to implement at your company if you had one and why?
Answers
Which of the following elements is used to insert a blank line or return in an HTML document?
a. BRK
b. BRE
c. BREAK
d. None of these
Answers
Answer:
b
Explanation:
corect me if wronggggggg
The element that is used to insert a blank line or return in an HTML document is <br>. The correct option is d.
What is HTML?The preferred markup language for documents intended to be viewed in a web browser is HTML, or HyperText Markup Language.
Technologies like Cascading Style Sheets and scripting languages like JavaScript can help.
Pages that are presented on the internet are frequently created using HTML.
Each page has a specific collection of HTML tags on it, including hyperlinks that lead to other pages. Every page we see on the internet is created using some form of HTML code.
A line break in text is produced by the HTML element <br> (carriage-return).
Thus, the correct option is d as none of the options are correct.
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Why can a bank afford to pay an interest rate on a savings account?
A.
Because the bank is insured by the FDIC
B.
Because the Fed prints more currency when needed
C.
Because the bank puts the money into equity investments
D.
Because the bank lends that money out at a higher interest rate
Answers
Answer:
D
Explanation:
Because the bank lends that money out at a higher interest rate
KEEP IN TOUCH IF YOU NEED ANYTHING.
ANSWER:POST-TEST
direction encircle the letter of the correct answer..
1 .the written description accompanying the working drawing
2. a board made of plaster with covering of paper
3.a fire protection device that discharge water when the effect of a fire have been detected, such as when a predetermined temperature has been reached.
4.structural members in building construction that holds the ceiling board
5.the position or placement of lightning fixtures of the house.
with answer na din.
1.C
2.D
3.B
4.A
5.D
SANA MAKATULONG★☆☆
TLE
Answers
Answer:
1. Specifications.
2. Gypsum board.
3. Sprinkler systems.
4. Ceiling joist.
5. Lighting fixtures.
Explanation:
In Engineering, it is a standard and common practice to use drawings and models in the design and development of buildings, tools or systems that are being used for proffering solutions to specific problems in different fields such as banks, medicine, telecommunications and industries.
Hence, an architect or design engineer make use of drawings such as pictorial drawings, sketches, or architectural (technical) drawing to communicate ideas about a plan (design) to others, record and retain informations (ideas) so that they're not forgotten and analyze how different components of a plan (design) work together.
Architectural drawing is mainly implemented with computer-aided design (CAD) software and it's typically used in plans and blueprints that illustrates how to construct a building or an object.
1. Specifications: it's a well-written description that accompanies a working drawing used for designs and constructions.
2. Gypsum board: also referred to as drywall due to its inherent ability to resist fire. It's a type of board that's typically made of plaster with some covering of paper and it's used for ceilings, walls, etc.
3. Sprinkler systems: it's an automatic fire protection device that is typically designed to discharge a volume of water as soon as the effect of a fire is detected. For instance, when a predetermined or set temperature has been reached such as 69°C
4. Ceiling joist: structural members that are aligned or arranged horizontally in building construction in order to hold the ceiling board together.
5. Lighting fixtures: it's typically the position or placement of lightning fixtures of the house.
5. Apart from the above sounds, colours and symbols,( high pitched sound- low pitched sound, red , green, amber, cross, ticks) describe three other ways that a user
interface could signal to a user that an action was successful or unsuccessful.
Successful
a.
b.
C.
Unsuccessful
a.
b.
C.
Answers
The three ways that a user interface could signal to a user that an action was successful or unsuccessful are as follows:
Text color.Image construction. Graphical representation. What do you mean by User interface?The user interface may be defined as the point of interaction between the human-computer and communication in a device. It can typically include display screens, keyboards, a mouse, and the appearance of a desktop.
According to the question, the user interface generally governs the way through which a user can typically interact with an application or a website. It is a type of space that effectively involves the connection or interaction between humans and other machines.
A user interface could signal to a user that an action was successful or unsuccessful. This must be dependent on several factors like text color, graphical representation, and image construction.
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Once a business determines that change needs to occur, what ahould the
business create?
A. Business operation
B. Business analysis
C. Business model
D. Business strategy
Answers
Answer:
D. Business strategy
Explanation:
Kono Dio Da!!
Write the first version of the elevator simulation, that should represent a building with riders, floors, and elevators. The only things it will be able to do at this point is to (1) add riders at random floors and (2) get elevator to open their doors to let riders off (although they will not leave). Here are the changes to the 5 classes from the preceding exercises in the module
Answers
Sure! Here's the first version of the elevator simulation that includes the changes to the five classes: Building, Rider, Floor, Elevator, and Simulation.
In this version, the Building class represents the overall building with a specified number of floors and elevators. The add_rider method randomly selects a floor and adds a rider to that floor. The step method is responsible for each iteration of the simulation, where it triggers the elevators to open their doors on the current floor.The Rider class represents a rider in the building. The Floor class represents a floor with a list of riders. The Elevator class represents an elevator with its current floor. The open_doors method of the Elevator class opens the doors of the elevator on the specified floor, allowing riders to exit (but not actually leave).The Simulation class sets up the building and runs the simulation for a specified number of steps.Please note that this is a basic implementation of the elevator simulation and doesn't include more advanced features like rider movement between floors or elevator movement.
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(02.05 LC) What is an example of a web browser? Bing Firefox Instagram Yahoo
Answers
Answer: Firefox
Explanation:
Bing and Yahoo are search engines. Instagram is an example of social media. Firefox is a wed browser. A web browser is a window that allows you to open up new tabs. the other three are examples of tabs you can open with Firefox.
Answer:
firefox
Explanation:
Can scratch cloud variables save across computers? For example, if I save the cloud variable as 10, then log in from a different computer will that variable save from that other computer?
Answers
Answer:
Explanation:
Scratch cloud variables are a feature in Scratch, a visual programming language, that allows for saving and sharing data across different projects and even across different computers. Once a variable is saved as a cloud variable, it can be accessed from any other project that has been shared with the same Scratch account.
If you set the value of a cloud variable to 10 on one computer, and then log in to Scratch from a different computer using the same Scratch account, you will be able to access the variable and its value (10) from that other computer.
It is important to note that the cloud variable feature is only available for Scratch accounts with a login, if you don't have a Scratch account, you won't be able to use this feature.
It's also good to keep in mind that if you set a variable as a cloud variable in a project, it will be accessible to anyone who has access to that project. So make sure you understand the sharing settings and permissions before using cloud variables in a project that contains sensitive information.
Need help plz 100 POINTS
Answers
Answer:
1. 12 anything below that looks like a slideshow presentation lol
2. False I dont think so.
3. Length X Width
4. Almost all news programs are close up.
5. True
libreoffice is an example of a(n) ________ productivity software package.
Answers
"LibreOffice" is an example of a free and open source productivity software package.
Exploring the Benefits of LibreOffice as a Free Productivity Software PackageLibreOffice is an open source productivity software package that provides users with a variety of tools for creating and editing documents, spreadsheets, presentations, and more. It offers a wide range of features, including text formatting, tables, charts, diagrams, and the ability to draw illustrations.
LibreOffice is free to download and use, making it an attractive option for those who don't want to pay for expensive proprietary software. It is also highly customizable, so users can tailor it to their needs. LibreOffice is a great choice for those who need to create and edit documents quickly and easily.
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owen works in a real-estate office. A contract needs to be signed but the client is out of town. What should Owen do?
Answers
In full verbatim, a person wants to say that they admitted him to a hospital last month. He makes a mistake about the date and quickly corrects himself. How should a correct sentence look like?
Answers
which one of the following is not considered a quantitative risk assessment technique?
Answers
Quantitative risk assessment is a method of assessing the risks associated with a particular project or activity. It involves the use of numerical values and statistical analysis to determine the probability and potential impact of various risks.
There are several quantitative risk assessment techniques that can be used to evaluate risk. These techniques include probabilistic risk assessment (PRA), fault tree analysis (FTA), event tree analysis (ETA), and Monte Carlo simulation.
Probabilistic risk assessment (PRA) is a technique that is used to quantify the probability and impact of potential risks. It involves the use of mathematical models to evaluate the likelihood of various scenarios and to estimate the potential consequences of those scenarios.Fault tree analysis (FTA) is another quantitative risk assessment technique that is used to identify the potential causes of a particular risk. FTA involves breaking down a complex system into smaller components and evaluating the potential failure modes of each component.
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what kind of electronic communication might commonly be affected by citizen journalism?
pls explain I need 3 explanations
Answers
Answer: Don't got three explanations don't know a lot but here.
Explanation:
"Citizen journalists cover crisis events using camera cell phones and digital cameras and then either publish their accounts on the Web, or exchange images and accounts through informal networks. The result can be news in real-time that is more local and informative."