Answers
Answer:
b,c
Explanation:
Related Questions
uml sequence diagram usually models multiple use cases at a time. group of answer choices true false
Answers
False. UML sequence diagrams typically model a single use case at a time.
UML sequence diagrams are used to represent the interactions between objects and the order in which messages are exchanged during a specific use case scenario. These diagrams focus on illustrating the sequence of events within a single use case, capturing the dynamic behavior of the system. Each sequence diagram typically represents a specific scenario or flow of events related to a particular use case.
They provide a visual representation of the interactions between objects, the messages exchanged, and the order in which they occur. It is not common to model multiple use cases simultaneously in a single sequence diagram as it may lead to confusion and make the diagram overly complex.
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Will mark brainliest! What does this code do? What kind of code is this called?
Code:
for i in range(0, len(sVal)):
sum += int(sVal[i])
return sum
Answers
Answer:
lol u can barly call this a code
Explanation:
its just a type error code i think
Why are advertisements and commercial websites not the most reliable for health information?
Answers
Answer:
There not reliable because most of the time it's opinions rather thanscientific evidence
For the following queries, determine the minimum cost of the query (in I/Os), if you can have any number of secondary (also known as alternative-2) indexes available. Each index has to be on a single key attribute; composite keys are not allowed. A) select count(*) from employees where name = ‘John Smith’; b) select avg(salary) from employees where name = ‘John Smith’; c) select count(*) from employees where birthdate < ‘1-1-1980 00:00’;
Answers
To help you determine the minimum cost of the following queries in terms of I/Os, assuming you have any number of secondary (alternative-2) indexes available on single key attributes.
Query
A)
Query: select count(*) from employees where name = 'John Smith';
- Create a secondary index on the "name" attribute.
- Perform an index search to find all records with the name 'John Smith'.
- Perform a count(*) operation on the retrieved records.
Minimum cost: 2 I/Os (1 for the index search, 1 for the count operation)
B)
Query: select avg(salary) from employees where name = 'John Smith';
- Create a secondary index on the "name" attribute.
- Perform an index search to find all records with the name 'John Smith'.
- Retrieve the salary attribute from each record.
- Calculate the average salary.
Minimum cost: 3 I/Os (1 for the index search, 1 for the salary retrieval, 1 for the average calculation)
C)
Query: select count(*) from employees where birthdate < '1-1-1980 00:00';
- Create a secondary index on the "birthdate" attribute.
- Perform an index search to find all records with a birthdate < '1-1-1980 00:00'.
- Perform a count(*) operation on the retrieved records.
Minimum cost: 2 I/Os (1 for the index search, 1 for the count operation)
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Input the time in hours. Calculate and print the time in minutes and seconds. [I hr = 60 minutes]
Answers
Answer:
The program in Python is as follows:
hrs = float(input("Hours: "))
mins = 60 * hrs
print("Minutes: ",mins)
Explanation:
This prompts the user for hours
hrs = float(input("Hours: "))
This converts to minutes
mins = 60 * hrs
This prints the minutes equivalent
print("Minutes: ",mins)
michelle has been inducted into an organization as a trainee. which of the following firewall software should she use to protect only the computer on which it is installed?
Answers
As a new trainee, Michelle needs to protect her computer from potential security threats. One way to do this is by using firewall software that focuses on protecting the individual computer on which it is installed.
Firewall software options that are specifically designed for protecting a single computer include:
1. ZoneAlarm Free Firewall: This is a popular choice for individual users due to its user-friendly interface and robust protection capabilities.
2. GlassWire: This software not only provides firewall protection but also monitors network activity, allowing Michelle to keep track of any unusual connections or potential threats.
3. Norton Personal Firewall: Coming from a reputable brand, this software offers strong protection for individual computers and is backed by a large support network.
4. Outpost Firewall Free: This is another great option for individual users who want a lightweight yet effective firewall solution for their computer.
Based on the requirement to protect only the computer on which it is installed, Michelle should consider using one of the above-mentioned firewall software options such as ZoneAlarm Free Firewall, GlassWire, Norton Personal Firewall, or Outpost Firewall Free. These solutions are designed to offer robust protection specifically for individual computers, making them suitable for her needs as a trainee.
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Conduct online research on the document object model. Study about the objects that constitute the DOM. In addition, read about some of the properties and methods of these objects and the purposes they serve. Based on your online research on DOM and its objects, describe DOM in detail.
Answers
The Document Object Model (DOM) is a programming interface for HTML and XML documents. It represents the structure of a document as a hierarchical tree of objects, where each object represents an element, attribute, or piece of text within the document.
The objects that constitute the DOM include:
Document: Represents the entire HTML or XML document. It serves as an entry point to access other elements and nodes within the document.
Element: Represents an HTML or XML element, such as <div>, <p>, or <span>. Elements can have attributes, child elements, and text content.
Attribute: Represents a specific attribute of an HTML or XML element. Attributes provide additional information about elements, such as the id, class, or src attributes.
Text: Represents the text content within an element. Text nodes contain the actual textual content that is displayed within the document.
NodeList: Represents a collection of nodes, usually returned by methods such as getElementByTagName(). It allows access to multiple nodes at once.
Event: Represents an event triggered by user interaction or other actions. Events can include mouse clicks, keyboard input, or element-specific events like onload or onchange.
The DOM objects provide various properties and methods to interact with the document. Some commonly used properties include:
innerHTML: Gets or sets the HTML content within an element.
className: Gets or sets the class attribute value of an element.
parentNode: Retrieves the parent node of an element.
childNodes: Retrieves a collection of child nodes of an element.
By utilizing the DOM and its objects, developers can dynamically modify the content, style, and behavior of web pages. It provides a powerful and standardized way to interact with and manipulate web documents programmatically.
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colour statement is used for setting .................... and .................. colors
(a) screen,Paint (b) line,circle
(c) foregroung,Background
(d) none of these
Answers
Answer:
The answer to this question is given below in the explanation section.
Explanation:
The correct answer to this question is C. i,e, foreground, and background.
First, we need to know what is a color statement.
The purpose of the color statement is to select display colors. It is used to select the foreground and background colors of the display.
So, the correct answer is :
Colour statement is used for setting foreground and background colors.
In general, it allows you to select foreground and background colors for a display. You can use different codes to display and see the effect of the color statement.
While other options are not correct, because the color statement used to select foreground and background color for the display. It does not use for setting screen and paint color in it. It also does not use for drawing lines and circles etc.
1.1.1 Give two examples of situations or applications where electrical circuits are used. (2)
Answers
An electric circuit contains a device that gives energy to the charged particles constituting the current, such as a battery or a generator; machines that use current, such as lamps, electric motors, or computers; and the connecting wires or communication lines.
Two of the basic laws that mathematically represent the implementation of electric circuits are Ohm’s law and Kirchhoff’s rules.
What is electric circuit?
Electric circuits are organized in several ways. A direct-current circuit carries a current that courses only in one direction. An alternating-current circuit holds a current that pulsates back and forth many times each second, as in most household circuits. A series circuit includes a path along which the whole current flows through each piece
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Which of the following statements are true regarding models? Select 3 options.
In a model, the general characteristics are separated from the details.
Models help predict how a specific solution will respond.
Models help you understand a complex situation by including all of the details.
Models represent the system or problem at a detailed implementation level.
Models help communicate a design.
Answers
Answer:
Answer:
Models help predict how a specific solution will respond
In a model, the general characteristics are separated from the details
Models help communicate a design
Explanation:
The statements that are true regarding models are:
B. Models help predict how a specific solution will respond.
A. In a model, the general characteristics are separated from the details.
E. Models help communicate a design.
What is a model?A model is an artificial representation of an object or a process. Models are used to show the process or things that are very big and can not be understood by the actual thing.
By looking for patterns in a set of input data, predictive modeling uses mathematics to foretell future events or results.
Therefore, the correct options are A. In a model, the general characteristics are separated from the details, B. Models help predict how a specific solution will respond, and E. Models help communicate a design.
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About C header files of C programming
Answers
Answer:
A header file is a file with an extension. Which contains C function declarations and macro definitions to be shared between several source files. There are two types of header files: the files that the programmer writes and the files that come with your compiler.
which item is developed last in the cyclical design process
Answers
The item that is developed last in the cyclical design process is known to be Prototype.
What is the last step in the design process?Designers which can be known to be evaluators are said to test the complete product using the best solutions known to be in the Prototype stage.
Note that The item that is developed last in the cyclical design process is known to be Prototype.
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Write a for loop to print the numbers from 35 to 45, inclusive (this means it should include both the 35 and 45). The output should all be written out on the same line.
Answers
The control structures of a program are loops. A loop to print the numbers from 35 to 45 is: i in the range (35, 45): print(i)
What is loop?A loop is used in computer programming to repeatedly run a set of instructions or a block of code without having to write it out from scratch. Depending on a particular circumstance, the code block is run. Instead of optimizing the coding process, loops in computer program make it simpler.
Once you have a grasp on the syntax and purpose of the various types of Loops, the concept of "what is Loop" will become crystal clear. The majority of computer programming languages use entry controlled loops and exit controlled loops, which are the two basic types of loops.
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ANSWER ASAP!!!!!!!!
Which statement regarding dialogues in multiplayer games is true?
A.
Dialogues are based only on players’ actions.
B.
Dialogues are restricted to the game’s characters.
C.
Dialogues may be between the game’s characters as well as the players.
D.
Dialogues serve the sole purpose of advancing the storyline.
E.
Dialogues are based only on events that have occurred in the game.
Answers
Answer:
The answer to this question will mostly be E
HELP: Although you can build tables in Excel, in Access you can
A. connect the data in tables
B. format the tables with built-in styles
C. build them more quickly
D. create lists, not tables
E. perform calculations that Excel cannot
Answers
Using the World Wide Web, search for advice about the following issues. For each issue, search for information on the manufacturer’s web site and at least one third-party resource or forum. Consider how you found the solution for each item, what the solution is, and how the answers differ or do not differ on the manufacturer’s web site and the third-party site. If you cannot find a description or resolution of an error in two different places, explain your process searching for that information on either a third-party site or the manufacturer’s site.
What problem does the OS X Mountain Lion 10.8.2. Supplemental Update 2.0 resolve?
What are the disk space requirements for installing Windows 7 Service Pack 1 from an installation DVD?
List two causes and one solution for a 404 Error.
Define device manager error code 10 and explain how to fix it.
Describe the steps to locate the serial number on an Acer desktop computer.
How do you find out the meaning of beep codes you hear during startup?
What is the first step to take to resolve a blue screen of death error?
What steps should you take if you installed a new device driver and the computer will not start?
Explain the possible causes of a User32.dll Not Found error message.
List the steps for changing the language of your keyboard.
Write a report sharing the detailed information for each of these tasks. You may do so using bullet points or a table. You may use screen shots to illustrate a particular issue or solution. Make sure to include information about:
how you found the solution on the web sites: search, browse, ask a question, etc.;
how you located the manufacturer and/or third-party web sites you used;
the solution or details requested above; and
the difference between the solution or explanation offered by the manufacturer and the third-party website (s).
Submission Requirements
Use standard English and write full phrases or sentences. Do not use texting abbreviations or other shortcuts.
Make any tables, charts, or graphics neat and well organized.
Make the information easy to understand.
Answers
Using the World Wide Web, search for advice about the following issues the net browser (generally called a browser) is a software program person agent for getting access to statistics at the World Wide Web.
What are the three search engines like and yahoo that assist you locate statistics from extraordinary websites?There are many extraordinary search engines like and yahoo you may use, however a number of the maximum famous consist of , Yahoo!, and Bing. To carry out a seek, you may want to navigate to a seek engine on your net browser, kind one or greater keywords—additionally called seek terms—then press Enter to your keyboard.
A browser is a laptop software that allows you to apply the laptop to view WWW files and get admission to the Internet taking benefit of textual content formatting, hypertext links, images, sounds, motion, and different features.
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Question #3
Which techniques are useful when evaluating a program? Select 4 options.
O user experience testing
print debugging
defuncto debugging
o test cases
automated testing
Answers
Answer:
user experience testingtest casesautomated testingprint debuggingExplanation:
The techniques which are useful when evaluating a program are user experience testing, test cases, automated testing and print debugging. Thus, option 1st, 2nd, 4th and 5th are correct.
What is Programming?Programming is the process of carrying out a certain computation, often through creating and constructing an executable computer program. Programming activities include analysis, algorithm generation, algorithm accuracy and resource use assessment, and algorithm implementation.
The process of producing a set of instructions that tells a computer how to complete a task is known as programming. Computer programming languages such as JavaScript, Python, and C++ can be used to create programs.
Goal-based, process-based, and outcomes-based assessment methods are the three basic types of evaluation methodologies.
User experience testing, test cases, automated testing, and print debugging are always that may be used to evaluate an application. As a result, options 1, 2, 4, and 5 are correct.
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A photograph is created by what
A) Silver
B) Shutters
C) Light
4) Mirror
Answers
A photograph is created by Light.
What are photographs made of?Any photograph created is one that is made up of Support and binders.
The steps that are needed in the creation of a photograph are:
First one need to expose or bring the film to light.Then develop or work on the imageLastly print the photograph.Hence, for a person to create a photograph, light is needed and as such, A photograph is created by Light.
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A company leverages cloud computing to rapidly build new products. Which benefit of the cloud enables more rapid development of robust functionality?
Answers
The benefit of the cloud enables more rapid development of robust functionality is lower the investment in technological infrastructures, also optimizes flexibility and others.
What are the benefits of cloud computing?The use of cloud computing is known to be one that can help one to get a reduced variable cost.
Note that due to its usage from a lot of customers that are said to be aggregated in the cloud, providers of these services such as Amazon Web Services can get higher economies of scale that is said to be transformed into lower pay as one go prices.
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the video game business is said to be a two-sided market. customers buy a video game console largely based on the number of really great games available for the system. software developers write games based on:
Answers
The video game business is a two-sided market, where customers buy video game consoles based largely on the number of really great games available for the system, and software developers write games based on the potential of the console to draw in new customers.
To do this, developers must consider the console's hardware and software capabilities, the marketing of the console, and the ability to produce games with high replay value and immersive experiences.
Hardware capabilities include things like processor speed, RAM, storage capacity, and graphics cards. Software capabilities include the type of operating system, the game engine, and any other middleware that helps the game run on the console. Marketing of the console can include things like advertising, discounts, and special offers. Lastly, games must be designed to provide a great experience, with elements like story, characters, graphics, sound, and gameplay.
In conclusion, when creating games for a video game console, developers must consider the hardware and software capabilities of the console, the marketing of the console, and the ability to create games with a high replay value and immersive experiences.
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If you enter the search "genetically modified foods" in a database, the double quotes around the three words will:
Answers
Answer:
Have a more specified search
Explanation:
If you do this in G0OGLE Then it will be the same thing all it basically does it narrow down the search to find more of what you want
1) What is CPU ? Explain it's parts.
2) what is memory ?
3) What is Primary memory ? Explain RAM and ROM.
4)What is secondary memory ? Explain it's types.
5) What is output Unit Explain soft copy Output and Hard copy output.
Answers
Answer:
Brother search these questions individually in gle and you will find all there, better than waiting for answers here.
Explanation:
Have a nice day :)
Answer:
Ans.1 -The CPU is also known as central processing unit is the processor or brain of the computer. Ans.2-Storage device of a computer is called computer memory. Ans.3-Primary memory consists of RAM(Random access memory) and (Read only memory). Ans.4-Secondary memory is permanent and so is called non-volatile memory. Ans.-5 I don't know
what is the technology that allows these devices to work?
Answers
The technology that allows these devices to work is a combination of hardware and software.
The hardware includes components such as sensors, processors, and memory, which allow the device to collect and process data. The software includes the operating system, drivers, and applications, which enable the device to perform specific functions and communicate with other devices. In addition, many of these devices rely on wireless communication technologies such as Wi-Fi, Bluetooth, or cellular networks to connect to the internet and other devices.
These technologies allow the devices to communicate with each other and with remote servers or cloud-based services that provide additional functionality or storage. Overall, the combination of hardware, software, and wireless communication technologies enables these devices to perform a wide range of tasks and provide users with new levels of convenience and productivity.
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assume we are doing developer-level testing. if we are testing a program that prompts the user to enter values for the sides of a rectangle and then calculates the area and perimeter of the rectangle, then it is sufficient for our test cases to consist of various combinations (both valid and invalid) of values for the four side
Answers
Yes, for developer-level testing of a program that calculates the area and perimeter of a rectangle based on user-entered values for the sides, it is sufficient to have test cases that cover various combinations of valid and invalid values for the four sides.
Valid values would include positive integers or floating-point numbers greater than zero. Invalid values could be negative numbers, zero, or non-numeric input.
To ensure thorough testing, it is important to consider boundary values, such as the minimum and maximum possible values for the sides. For example, you could test with the smallest valid value, 1, and the largest possible value within the constraints of the program.
Additionally, you should test with values that cover different scenarios, such as when one or more sides have the same length or when the sides have significantly different lengths. This helps verify that the program handles various cases correctly.
By considering valid, invalid, boundary, and different scenario values, you can create a comprehensive set of test cases to effectively test the program's functionality.
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Which technical skill is most necessary for careers with network systems?
A.
website design
B.
programming languages
C.
information technology security
D.
graphics-related software
Answers
Answer:
programming languages
Answer:
B. programming languages
Explanation:
The most necessary technical skill for network systems careers is programming languages (B). Programming languages are vital for developing, maintaining, and troubleshooting network infrastructure, protocols, and applications. Proficiency in programming enables automation, scripting for network configuration, and customized software solutions. While other skills like website design, IT security, and graphics software may have some relevance, programming languages are fundamental for effective network management.
Application software can be categorized as either general-purpose, specialized, or ________ apps.
Answers
Application software can be categorized as either general-purpose or mobile apps.
What are mobile apps?Mobile apps can be defined as specialized applications developed to be used in cellphone devices.
Mobile apps are widely used and may help with diverse types of daily tasks and human activities.
In conclusion, application software can be categorized as either general-purpose or mobile apps.
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Son los inventarios en proceso que hacen parte de la operación en curso y que se deben tener en cuenta antes de empezar a transformar el material directo.
Answers
Answer:
When an inventory is purchased the goods are accounted in the raw material but when this raw material is to be converted in finished goods it is transferred from raw material to processing of raw material into finished goods and when the process is completed when the raw material turns into finished goods the goods are then accounted for as finished goods.
Explanation:
When an inventory is purchased the goods are accounted in the raw material but when this raw material is to be converted in finished goods it is transferred from raw material to processing of raw material into finished goods and when the process is completed when the raw material turns into finished goods the goods are then accounted for as finished goods.
This does not make any sense. proc1(str2) isn't part of a DISPLAY. The only thing that should be displayed at all would be DISPLAY (str1) which is birthday.
Answers
Note that the output of the procedure call proc2( "birthday", "to you") would be: "birthday to you" (Option A)
What is the justification for the above response?This is because proc2 first displays str1 ("birthday") followed by a space and then str2 ("to you"), resulting in the output "birthday to you". The procl procedure call within proc2 does not affect the output since it only displays its input string (str2) and does not return any value.
Note that a procedure call is a statement in a program that invokes a procedure or function to perform a specific task or set of tasks.
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write a loop that will print the following exactly:
4 12 20 28 36 44
Answers
Answer:
In c++ programming language.
for(int i=4;i<=44;i+=8)
{
cout<<i<<" ";
}
The loop that will print the following exactly 4 12 20 28 36 44 is
for x in range(4, 45, 8):
print(x)
Notice the common difference of the sequence is 8.
The code is written in python.
The first line of the code, we use a for loop to loop through the range of a number from 4 to 45 (45 excluded).
The first outputted number in the loop will be 4, then we add 8 to get the next number until we get to 44.
The bolded value in the code are python keywords.
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Which of the following is NOT a computer peripheral?
Scanner
Keyboard
Printer
Central Processing Unit
Answers
Answer:CPU stands for the central processing unit. CPU is not a peripheral device.
Explanation:
CPU stands for the central processing unit. CPU is not a peripheral device.
The Central Processing Unit (CPU) is NOT a computer peripheral; it is the main processing unit and brain of the computer itself. Therefore, option D is correct.
A computer peripheral, like a devoted entourage, encompasses a diverse array of external devices that extend the capabilities and interactions of the central computer.
Positioned at the periphery of the computer's core, these ingenious companions facilitate input, output, and auxiliary functions with finesse. From the tactile prowess of keyboards and mice to the visual acuity of monitors and scanners, these peripheral partners empower users to engage with the digital realm effortlessly.
Printers give digital creations tangible form, while external storage devices guard precious data. Acting as a united team, computer peripherals enhance the user's experience, orchestrating a harmonious symphony of technology and convenience.
Therefore, option D is correct.
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