Consider the following op/3 predicate. ?-op(500,xfy,'#'). What is the result of the following query? 7- (A#B) = 1 #2#3#4. a. A = 1. B = 2 #3 #4. b. A = 1 # 2. B = 3 #4 c. A = 1 #2 # 3. B = 4. d. A = []. B = 1 #2 #3 #4 e. error
Answers
The result of the query 7- (A#B) = 1 #2#3#4 is:
A = 1, B = 2 # 3 # 4.
Explanation:
The query consists of a subtraction operation (7-), which has a higher precedence than the '#' operator. Therefore, the subtraction is evaluated first, resulting in the integer value 3.
The remaining expression is (A#B) = 1 #2#3#4, which consists of a comparison using the '#' operator. The '#' operator is a user-defined infix operator with a precedence of 500 and an associativity of 'xfy', which means it is evaluated from left to right.
To evaluate the expression, we need to find two values for A and B that, when combined with the '#' operator, produce the value 1 # 2 # 3 # 4. One possible solution is A = 1 and B = 2 # 3 # 4, because (1 # (2 # 3 # 4)) equals 1 # 2 # 3 # 4.
Therefore, the final result of the query is A = 1 and B = 2 # 3 # 4. The correct answer is (a) A = 1. B = 2 # 3 # 4.
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Related Questions
how are web design & web development different from each other?
Answers
Answer:
Developers are people who build a website's core structure using coding languages, while designers are more visually creative and user-focused. Developers use their programming knowledge to breathe life into the designer’s creative vision.
You could think of developers as construction workers, and web designers as architects – both necessary, but different, skill sets.
I hope this helped :D
Explanation:
all queries combined using a union, intersect or except operator must have an equal number of expressions in their target lists. t or f
Answers
True, A structure creates a data type that can be used to group items of possibly different types into a single type.
How do you combine queries with the UNION clause?The result sets of two or more SELECT queries are combined using the SQL UNION operator. Between each of the different SELECT statements, it deletes redundant rows. There must be an equal number of fields with comparable data types in each result set for each SELECT operation inside the UNION.
Without sorting or eliminating duplicate rows, UNION ALL returns the combined rows from two queries.
both union and The difference between Union and Union All is that Union just extracts the rows that are specified in the query, but Union All also extracts duplicate (repeated value) rows from both searches.Both the structure and the union are data types that can hold data of any "type" as containers.
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write a Python function that join the two string and print it
Answers
Answer:
string1 = "this is string 1"
string2 = " this is string 2"
print(string1 + string2)
Explanation:
the string1 variable is assigned with a string value(aka. str)
string2 is also a variable assigned with a slightly different string value
the 3rd line then prints string 1 and 2 to the console.
Answer:
Nothing complicated
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Which of the following string primitives will modify the ESI register? Check all that apply.
MOVSB
LODSB
SCASB
STOSB
CMPSB
Answers
In x86 assembly language, the following string primitives can modify the ESI (Extended Source Index) register:MOVSB: This instruction copies a byte from the address pointed to by ESI.
It modifies the ESI register.LODSB: This instruction loads a byte from the address pointed to by ESI into the AL register and increments ESI by 1. It modifies the ESI register.SCASB: This instruction compares the byte in the AL register with the byte at the address pointed to by ESI and modifies the EFLAGS register. It increments or decrements ESI based on the direction flag. While it does not directly modify the ESI register, it can indirectly modify it through the direction flag.STOSB: This instruction stores the byte in the AL register at the address pointed to by ESI and increments ESI by 1. It modifies the ESI register.CMPSB: This instruction compares the byte at the address pointed to by ESI with the byte at the address pointed to by EDI and modifies the EFLAGS register. It increments or decrements ESI and EDI based on the direction flag.
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Which of the following strategies will help you to stay focused and on topic while writing your essay?
a. Outlining
c. Neither 'a' nor 'b'
b. The 5 paragraph format
d. Both 'a' and 'b'
Please select the best answer from the choices provided
A
B
Ο Ο Ο Ο
D
Answers
Answer:
the answer is D,both A and B
Answer:
The answer is D. i give full credit to the person above me who got it right
Explanation:
Tysm
Which of the following correctly declares and initializes a Scanner object that will use input from the keyboard as its data source? *
1. Scanner keyboard = new (System.in);
2. Scanner keyboard = new Scanner (keyboard);
3. Scanner = new Scanner(System.in);
4. Scanner keyboard = new Scanner (System.in);
Answers
Answer:
it 4
Explanation:
the command insert into is used to add relationship data by specifying the correct values for the foreign keys into the corresponding tables. right wrong
Answers
Wrong. The command "INSERT INTO" is used to add new records or rows into a table in a database, not to add relationship data specifically. Relationship data is established through foreign keys, which are columns in a table that reference the primary key of another table.
To establish a relationship, you would typically use the "INSERT INTO" command to add records to the tables involved in the relationship, ensuring that the foreign key values match the corresponding primary key values in the referenced table. So, while "INSERT INTO" is used to add data, it is the correct specification of foreign key values that establishes the relationship, not the command itself.
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Which tool in Windows 10 would you use to browse all networks and shared folders to which a user has access? (Select THREE)
Answers
In Windows 10, the following three tools can be used to browse all networks and shared folders to which a user has access: File Explorer: File Explorer is the built-in file management tool in Windows 10,
and it allows users to browse and access shared folders and network locations. Users can navigate to the "Network" section in the left-hand sidebar of File Explorer to view available networks and shared folders.
Control Panel: The Control Panel in Windows 10 provides access to various network and sharing settings, including "Network and Sharing Center." From the Network and Sharing Center, users can view and manage network connections, including shared folders and network resources to which they have access.
Command Prompt: The Command Prompt is a text-based command-line interface in Windows 10 that can be used to access network resources and shared folders. Users can use commands such as "net use" and "net view" in the Command Prompt to browse and access shared folders and network resources.
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what are types of computer viruses
Answers
Answer:
Resident Virus. Resident viruses set up shop in your RAM and meddle with your system operations. ...
Multipartite Virus. This virus infects the entire system. ...
Direct Action. ...
Browser Hijacker. ...
Overwrite Virus. ...
Web Scripting Virus. ...
File Infector. ...
Network Virus
Explanation:
Answer:
1. RESIDENT VIRUS
2. MULTIPARTITE VIRUS
3. DIRECT ACTION
4. BROWSER HIJACKER
5. OVERWRITE VIRUS
6. WEB SCRIPTING VIRUS
7. FILE INFECTOR
8. NETWORK VIRUS
9. BOOT SECTOR VIRUS
Explanation:
1. RESIDENT VIRUS
They usually target your RAM in your computer and are hard to detect.
2. MULTIPARTITE VIRUS
The virus infects your entire operating system. It spreads by performing unauthorized actions.
3. DIRECT ACTION
This virus targets specific executable files (.exe) and when opened starts to infect your computer. It replicates and infects files.
4. BROWSER HIJACKER
This virus is easily detected, and directs your web browser towards the virus.
5. OVERWRITE VIRUS
These viruses overwrite files to gain control over your system.
6. WEB SCRIPTING VIRUS
When you download malicious software, the virus can infect your computer. It can also be found in shady links on websites and such.
7. FILE INFECTOR
By targeting executable files (.exe), file infector viruses slow down programs and damage system files when a user runs them.
8. NETWORK VIRUS
Network viruses travel through network connections and replicate themselves through shared resources.
9. BOOT SECTOR VIRUS
Using a USB drive, when you plug it in, the virus goes into the system and infect the master boot record.
The different between a compiler and a translaror
Answers
Answer:
Compiler converts the program from one computer language to another computer language that is translating from a higher level language to a lower level language. A translator usually has a fixed body of code that is required to translate the program.
Answer:
Answer: Compiler converts the program from one computer language to another computer language that is translating from a higher level language to a lower level language. ... A translator usually has a fixed body of code that is required to translate the program.
Explanation:
what is the fullform of ETA in computer term
Answers
Answer:
Estimated Time of Arrival.
How do you find scope in Python?
I'm sitting here, eating soup and being confused while an assignment's problem stares me in the face.
Answers
Answer:
Variables can only reach the area in which they are defined, which is called scope. Think of it as the area of code where variables can be used. Python supports global variables (usable in the entire program) and local variables.
Explanation:
and lol ..........Local (or function) scope is the code block or body of any Python function or lambda expression. This Python scope contains the names that you define inside the function. ... If the local scope is an inner or nested function, then the enclosing scope is the scope of the outer or enclosing function.
nyla is investigating a security incident in which the smartphone of the ceo was compromised and confidential data was stolen. she suspects that it was an attack that used bluetooth. which attack would this be?
Answers
This could be a Bluejacking attack, which is when an attacker sends malicious data or files to a device via Bluetooth.
The Dangers of Bluejacking: How Unsecured Bluetooth Connections Can Lead to Data TheftBluetooth is a wireless technology that allows devices to connect to each other without the use of physical cables. It has become increasingly popular for its convenience and for the fact that it requires minimal effort to set up a connection. However, there are also dangers associated with Bluetooth technology, especially when it comes to security. One of the most common risks is a type of attack known as Bluejacking, which can be used to steal confidential data.
Bluejacking occurs when an attacker sends malicious data or files over a Bluetooth connection. This type of attack is especially dangerous because it is difficult to detect and can be used to gain access to a device and its data. The attacker does not have to be physically close to the device in order to carry out the attack, as the connection can be established from a distance. This means that someone could potentially target many different devices at once without being detected.
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Universal Containers has large number of custom applications that were built using a third-party javaScript framework and exposed using Visualforce pages. The Company wants to update these applications to apply styling that resembles the look and feel of Lightning Experience. What should the developer do to fulfill the business request in the quickest and most effective manner
Answers
Answer: set the attribute enabling lighting to true in the definition.
Explanation:
Since the company wants to update the applications to apply styling which resembles the look and feel of Lightning Experience, then the developer should set the attribute enabling lighting to true in the definition.
Based on the options given, it should be noted that rewriting all Visualforce pages as Lightning components, or incorporating the Salesforce Lightning Design System won't be able to achieve the goal of the company.
Why when i want to answer a profile that starts with a will put a link to "https://bitly.com/"
Answers
Why do some block cipher modes of operation only use encryption while others use both encryption and decryption
Answers
Answer:
it is used to generate something to XOR with the plaintext.
Explanation:
Some mode of operation only use an encryption function because it is used to generate something to XOR with the plaintext. There is no point decrypt the generated bytes. To decrypt the ciphertext, you just need the same stream of bytes.
What best describes the development of 3-D graphics in the video game industry? Responses The ability to create them did not exist until the 2000s, and while they are easy to do, they are not widespread. The ability to create them did not exist until the 2000s, and while they are easy to do, they are not widespread. The ability to create them did not exist until the 1990s, but they became widespread as soon as the technology was there. The ability to create them did not exist until the 1990s, but they became widespread as soon as the technology was there. The ability to create them existed in the 1970s, but their use in the gaming industry did not become widespread until the 1990s. The ability to create them existed in the 1970s, but their use in the gaming industry did not become widespread until the 1990s. The ability to create them existed in the 1960s, but their use in the gaming industry has never really become popular. The ability to create them existed in the 1960s, but their use in the gaming industry has never really become popular.
Answers
The option that best describes the development of 3-D graphics in the video game industry is option d: The ability to create them existed in the 1970s, but their use in the gaming industry did not become widespread until the 1990s.
What do the visuals in video games mean?Any video game's graphics are crucial since they determine what the player sees. The locations, characters, and even the lighting all contribute to how the game looks and feels.
Therefore, In order to execute computations and create digital images, often 2D ones, 3D computer graphics, also known as "3D graphics," 3D-CGI, or three-dimensional computer graphics, require a three-dimensional representation of geometric data that is stored in the computer.
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While Angela is making modifications to Katie’s Word document, she would like to inform Katie of the reasoning for the change.
Which feature should Angela use?
Track Changes
email
Comments
Save File
Answers
Answer:
i think it's comments
Not too sure
While Angela is making modifications to Katie’s Word document, the feature that Katie should use is comments. The correct option is c.
What is a Word document?Microsoft Office is thought of as including Microsoft Word. Word, PowerPoint, Excel, Outlook, and a number of other programs are included in the Office suite of Microsoft tools.
These may be used on Windows or macOS and are suitable for both personal and professional use. They are not the same thing; Microsoft Word is merely one of such app.
A comment is a section or tool that can be used by the editor of the Word document. Comments can be added to correct the document and to give information that can be specified, and comments can be removed.
Therefore, the correct option is c. Comments.
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what about the human genome editing do you feel that crispr technology should change and/or not change about plants, animals, and humans?
Answers
In regards to human genome editing, CRISPR technology has the potential to bring about significant changes in plants, animals, and humans. However, there are some aspects that should and should not be changed.
1. In plants, CRISPR technology can be used to improve crop yield, enhance resistance to pests and diseases, and increase nutritional value. These changes can contribute to sustainable agriculture and food security.
2. In animals, CRISPR technology can be used to enhance disease resistance, improve animal welfare, and produce animals with specific desired traits. This can help reduce the use of antibiotics and improve the overall health of livestock.
3. In humans, CRISPR technology can potentially be used to cure genetic diseases and improve health. However, ethical concerns arise when it comes to human genome editing, such as designer babies or eugenics. It's crucial to have proper regulations and guidelines in place to ensure the responsible use of CRISPR technology.
In summary, CRISPR technology can bring significant benefits to plants, animals, and humans. However, it's essential to balance the potential benefits with ethical considerations and responsible use.
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If you are referencing cell (C2)in Excel and want to be able to copy the formula and update the column and keep the row fixed, how do you reference the cell in a formula, you don't need to include the
Answers
When you reference cell (C2) in Excel and want to copy the formula and update the column while keeping the row fixed, you can use a mixed cell reference.
A mixed cell reference refers to a reference that combines both relative and absolute cell reference by using a dollar sign ($).A dollar sign can be used to change a reference to either absolute or relative. If you want to keep a cell reference the same when copying a formula, you can use an absolute reference. To create an absolute reference in a formula, place a dollar sign ($) before the column letter and row number of the cell you want to reference.
To create a mixed cell reference in Excel, place a dollar sign before either the column letter or the row number depending on which you want to be fixed.For instance, to fix a row and allow a column to change, place a dollar sign before the row number as in $C2. When the formula is copied, the row will remain the same while the column will change. To fix a column and allow a row to change, place a dollar sign before the column letter as in C$2.
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Company B is setting up commercial printing services on their network. Which of these are advantages of centrally managed commercial printers? Check all that apply.
Answers
Answer:
Centralized management of printing activities, allowing administrators to manage all print devices using a network.
Explanation:
The advantages of centrally managed commercial printers are:
Printers can be easily created and deployed in virtual sessions such as Citrix or VMwareCentralized management of printing activities, allowing administrators to manage all print devices using a network.Reduces the number of printer related issues thereby increasing productivity.It provides a way of keeping record those who are printing and what have been printerAll print related jobs can be easily managed from a central controlled network.Increased security as a print server allows you to total control over who can print what and where High availability and redundancy due to pooling of printers Easily customize printer profileThe line represents a visible line that represents features that can be seen
in the current view.
Continuous Thick Line
Pictorial Sketch Types
Aligned Section View
Chain Thin Line
Answers
The continuous thick line represents a sample that depicts features seen in the current view, which can be used to represent apparent contours and boundaries.
In this, the scribbled lines are used to generate contours and edges that are not visible from the outside.This line type is utilized in site plans for apparent outlines, general detailing, existing structures, and landscaping.Therefore, the answer is "continuous thick line".
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As per the statement, the line represents the visible part of the features that can be seen in the current views as the line is a continuous thick line. Thus the option A is correct.
Which line represents a visible feature of current view.?The visible lines are those that make up most of the visible part of the features and are noted for the summary lines and refer to the specific views.
A continuous line can be easily seen and is visible for very far and hence this line is a sorrowing the side of the matter. It can be used to outline the object and is has a medium weight. Hence the visibility of the line is lone factor of the continuality and thickness.
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Which filter enhances the color contrast around the edges of an image?
Answers
To increase the appeal of an image or video, edge enhancement is a type of image processing filter that increases the border contrast (apparent sharpness).
What is edge enhancement?Border Enhancement: This function tries to give the picture a little more sharpness. That is true, but excessive sharpening can also result in artefacts, such as a "halo effect" around the margins. Most of the time, this should be omitted. The human eye can distinguish shapes and outlines in low light, but it cannot distinguish finer details because it cannot see edges of objects in higher contrast (edge enhancement).At first look, this might appear to have more detail, but in reality it hides fine detail, and excessive sharpening can give objects a halo. Therefore, turn it way down or off entirely.To learn more about edge enhancement, refer to:
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State whether the given statement is True/False. Arguments are the input values to functions upon which calculations are performed.
Answers
you are testing a new application using a combination of known and unknown testing. how would you best describe this approach?
Answers
Since you are testing a new application using a combination of known and unknown testing. The option that is the BEST approach is option C: You are engaging in user acceptance testing.
User Acceptance Testing: What Is It?
Testing is well-known, whereas acceptance denotes consent or approval. In the context of a software product, the user is either the person who purchases the software or the person who asked for it to be created for them (client).
User acceptance testing (UAT), commonly referred to as beta testing or end-user testing, is the process of having users or clients test software to see if they can accept it or not. Once the functional, system, and regression testing is finished, this is the last testing carried out.
Therefore, This testing's primary goal is to confirm that the software meets the necessary standards for the business. End-users who are familiar with the system perform this validation.
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See full question below
You are testing a new application using a combination of known and unknown testing. How would you BEST describe this approach?
Question 19 options:
You are engaging in stress testing.
You are engaging in partially known testing.
You are engaging in user acceptance testing.
You are engaging in security regression testing.
Which option should Gina click to edit the text contained in a text box on a slide in her presentation?
rotation handle
sizing handle
expansion handle
text box
Answers
hope this helped
How do you manage your online presence? What kind of sites are you most active on, and what steps can you take to manage your image on these sites better?
Answers
Answer:
1. optimize your website to increase your online visibility and other search engines.
2. make your company information clear and prominent.
Though obvious, it's surprising how many businesses neglect to do make it easy to locate their business information. You should show:
company name
location, including city and state
contact information
overview of products and services
operating hours
3. provide useful content in your page
Why now days 3D images are used in cartoons? What are the drawbacks of 2D image?
Answers
Answer:
There are no drawbacks
Explanation:
People just think 3D is more modern-ish. I liked 2D better, but whatever- things are changing.
Answer:
There are no drawbacks
Explanation:
4. Assume you have a list of numbers
12,10,32,3,66,17,42,99,20
a) Write a loop that prints each of the numbers on a new line.
b) Write a loop that prints each number and its square on a new line.
Answers
lst = [12,10,32,3,66,17,42,99,20]
a)
for x in lst:
print(x)
b)
for x in lst:
print(str(x) + " " +str(x**2))
I think this is what you're looking for. Hope this helps!
Amazon.com purchases flat screen computer monitors from HP for $275.59 and sells them for $449.99. What is the amount of markup?
Answers
Answer: 82%
Explanation:
$ 449.99- $ 275.59= % 224.40
$ 224.40/ $ 275.59*100= 81.4253057078