Answer:
Here's the algorithm to calculate the perimeter of a rectangular object:
Read the length and breadth of the rectangle from the user.
Calculate the perimeter of the rectangle using the formula: perimeter = 2 * (length + breadth).
Display the calculated perimeter on the screen.
Here's the QBasic program based on this algorithm
' QBasic program to calculate perimeter of a rectangle
CLS ' clear screen
' Read the length and breadth of the rectangle
INPUT "Enter length of rectangle: ", length
INPUT "Enter breadth of rectangle: ", breadth
' Calculate the perimeter of the rectangle
perimeter = 2 * (length + breadth)
' Display the perimeter of the rectangle
PRINT "The perimeter of the rectangle is "; perimeter
END ' end program
In this program, we first clear the screen using the CLS command. Then, we use the INPUT statement to read the length and breadth of the rectangle from the user. We calculate the perimeter using the formula perimeter = 2 * (length + breadth) and store the result in the variable perimeter. Finally, we display the calculated perimeter using the PRINT statement. The program ends with the END statement.
Explanation:
which of the following are valid signatures for a constructor in a class named office? recall that java is case-sensitive (capitalization matters), and there may be more than one correct answer! group of answer choices
The valid signatures for a constructor in a class named office depend on the parameters that the constructor requires. In Java, the case sensitivity of the class name and constructor parameters matters, so the following would all be valid signatures for a constructor in a class named Office(), Office(int x), and Office(String y, int z)
The signature is the combination of the class name and the parameters that the constructor requires if any. In the first signature, Office(), the constructor has no parameters and is used to create an object of the Office class without any parameters. The second signature, Office(int x), requires an integer parameter that is used to create an object of the Office class.
The third signature, Office(String y, int z), requires two parameters, a string, and an integer, and is used to create an object of the Office class with these two parameters. It is important to note that, in Java, the parameters of the constructor must match the type and order of the parameters that are declared in the class.
If the type or order of the parameters does not match the declaration in the class, the constructor will not be valid. So, all the given options are correct including Office(), Office(int x), and Office(String y, int z).
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You want to erase your startup configuration file. This can be accomplished by issuing which of the following commands?
erase running-config
erase rom
erase startup-config
move startup-config
erase nvram
write erase
move running-config
write erase
To erase your startup configuration file, you can issue the "erase startup-config" command.
The correct command to erase your startup configuration file is: erase startup-config. A startup configuration file is a file in Cisco network devices that contains configuration commands that are stored in non-volatile memory (NVRAM) and run automatically on device startup. To delete the configuration that is stored in NVRAM, use the "erase nvram" command; this will erase all startup and running configurations. The "erase startup-config" command, on the other hand, will only erase the startup configuration. To delete the running configuration that is stored in RAM, use the "erase running-config" command. If you want to delete the IOS image stored in ROM, you can use the "erase rom" command.
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perpare the algorithm to calcutate petimeter rectangular object of lenglth and breath are given and write its QBASIC program
Answer:
See below.
Explanation:
Here's an algorithm to calculate the perimeter of a rectangular object with given length and breadth.
StartInput the length of the rectangular object and assign it to a variable, say L.Input the breadth of the rectangular object and assign it to a variable, say B.Calculate the perimeter of the rectangular object using the formula: P = 2(L + B)Display the perimeter of the rectangular object.EndHere's the QBASIC program to implement the above algorithm.
CLS
INPUT "Enter the length of the rectangular object: ", L
INPUT "Enter the breadth of the rectangular object: ", B
P = 2 * (L + B)
PRINT "The perimeter of the rectangular object is: "; P
END
In this program, the INPUT statement is used to get the values of length and breadth from the user, which are then used to calculate the perimeter of the rectangular object using the formula mentioned in the algorithm. The PRINT statement is used to display the calculated perimeter.
Which of the following is a best practice when using Remote Desktop Protocol (RDP) to access another computer?Make sure both computers have the same amount of RAM.Make sure both computers are in the same workgroup.Enable Bitlocker on the remote computer.Implement additional security protocols
A best practise while utilising Remote Desktop Protocol (RDP) to access another computer is to include additional security protocols. This contributes to the RDP connection's increased security and potential.
What is a document outlining best practises?A standard or set of recommendations recognised to result in positive results when followed are referred to as best practises. The best practises relate to the execution or configuration of a task.
Which of the following is a document that offers instructions on how a project is carried out and managed to guarantee the accomplishment of the project's objectives?A project plan is a group of official documents that describe the execution and control phases of the project. The strategy takes risk management and resource management into account.
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C++
A software company sells a package that retails for $99. Quantity discounts are given according to the following table.
Quantity Discount
10-19 20%
20-49 30%
50-99 40%
100 or more 50%
Write a program that asks for the number of units sold and computes the total cost of the purchases.
Input validation: Make sure the number of units is greater than 0
The output should be appropriately formatted; in particular, dollar amounts should show two digits after the decimal.
Show the regular price, the discount, and the discounted price for the transaction in a table.
Please write a c++ program in the simplest manner possible. This is my first programming class. Help is highly appreciated
A program that asks for the number of units sold and computes the total cost of the purchases.
Here's a simple C++ program that meets your requirements:
```cpp
#include
#include
int main() {
int units;
double discount, discounted_price, total_cost, regular_price = 99;
std::cout << "Enter the number of units sold: ";
std::cin >> units;
if (units <= 0) {
std::cout << "Invalid input. Number of units should be greater than 0." << std::endl;
return 1;
}
if (units >= 10 && units <= 19) {
discount = 0.20;
} else if (units >= 20 && units <= 49) {
discount = 0.30;
} else if (units >= 50 && units <= 99) {
discount = 0.40;
} else {
discount = 0.50;
}
discounted_price = regular_price * (1 - discount);
total_cost = units * discounted_price;
std::cout << std::fixed << std::setprecision(2);
std::cout << "Regular Price: $" << regular_price << std::endl;
std::cout << "Discount: " << discount * 100 << "%" << std::endl;
std::cout << "Discounted Price: $" << discounted_price << std::endl;
std::cout << "Total Cost: $" << total_cost << std::endl;
return 0;
}
```
Explanation:
1. Include the necessary libraries for input/output and formatting.
2. Get the number of units from the user and check if it is greater than 0.
3. Calculate the discount based on the number of units using if-else statements.
4. Calculate the discounted price and total cost.
5. Set the output formatting to display dollar amounts with two decimal places.
6. Display the regular price, discount, discounted price, and total cost in a table.
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snap uses a series of objects to collect information about a managed device. the structure, similar to a database, containing these objects is refderred to as what?
The structure in Snap that contains objects used to collect information about a managed device is referred to as the "Object Repository".
An object repository is a centralized location or database that stores information about objects used in test automation. It contains information about each object such as its type, name, properties, and methods. Test automation tools can use this information to identify and interact with the objects in the user interface of an application under test. Object repositories can be either internal to the automation tool or external, and they can be maintained manually or automatically.
All objects are stored collectively in an object repository. Objects are often the locators used in Selenium WebDriver context to specifically identify web items.
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do you think that the complexity of the project environment is typical of a software development group, or is it less or more complex?
Yes, the complexity of the project environment is typical of a software development group.
Software development involves multiple teams working together in a complex system of requirements, coding, and debugging. There are many stakeholders involved in the process, including developers, testers, users, and clients. Each team is responsible for different tasks, and they must coordinate and collaborate with each other to ensure a successful outcome.
Additionally, the complexity of the environment is often increased by the use of modern technologies, such as AI and machine learning, which require specialized skills and knowledge. In summary, the complexity of the project environment is typical of a software development group and is necessary to create quality and successful software projects.
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the repository is populated during the analysis phase of the systems development life cycle. group of answer choices true false
"The repository is populated during the analysis phase of the systems development life cycle" is a true statement.
Know what is a repository! The repository, also known as a data warehouse, is a central location where data is stored and managed in a structured manner. It's a data storage location that can be accessed by several systems or applications. Data can be accessed, manipulated, and kept up to date in a repository. A repository can store a variety of data types, including metadata, computer code, and multimedia files. Systems Development Life Cycle: The SDLC (Systems Development Life Cycle) is a conceptual framework used in project management. It's a blueprint that outlines the various stages involved in developing software. It is an iterative and cyclical methodology that entails the following steps:
Planning Phase of Analysis
Design Phase
Development Stage
Testing Stage
Implementation Phase
Maintenance Phase
The repository is populated during the analysis phase of the systems development life cycle, and that statement is true. During the analysis phase of the SDLC, the repository is populated with project requirements, which serve as the foundation for future system development. Therefore, the project manager must establish a data dictionary and a requirement document. These documents assist the project team in identifying and documenting project requirements, which are then stored in the repository.
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a text-editing application uses binary sequences to represent each of 116 different characters. what is the minimum number of bits needed to assign a unique bit sequence to each of the possible characters?
The minimum number of bits needed to assign a unique bit sequence to each of the possible characters in a text-editing application is 7.
This is because, with 7 bits, we can produce up to 2^7 or 128 unique combinations. Since there are 116 possible characters, 7 bits is enough to assign each one a unique bit sequence.
To explain this further, bits can be represented as binary sequences of 0s and 1s. Each bit is a single digit in a binary number, and the combination of bits in a number is known as a word. For example, a word of length 7 bits can be written as 1110001. Each bit in the word is assigned a value, so 1110001 would be worth 1 + 2 + 4 + 8 + 64 = 79. To assign a unique bit sequence to each of the possible characters, we need to make sure that each combination of bits (each number from 0 to 127) has a unique value, and that the values are distributed evenly across the possible characters.
In conclusion, the minimum number of bits needed to assign a unique bit sequence to each of the possible characters in a text-editing application is 7. With 7 bits, we can produce up to 128 unique combinations, which is enough for the 116 characters.
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Tools that can be used to do yardwork, mowing, or gardening are NOT a form of technology.
True
False
Answer:
False
Explanation:
Everything which reduces the human efforts and saves time are termed as technology.
the written version of a television commercial that provides a detailed description of its video and audio content is known as a
The written version of a television commercial that provides a detailed description of its video and audio content is known as a script.
A script is a written version of a television commercial that provides a detailed description of its video and audio content. The script is a document that the advertising team creates before the shooting of a TV commercial. It outlines the story, dialogue, camera work, sound effects, music, and other components of the advertisement.
A script is useful for organizing and simplifying the production of the commercial. As a result, it aids the production team in streamlining their efforts and minimizing errors. A script has a significant impact on the commercial's success because it is the foundation upon which the advertisement is constructed.
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Each row in the relational table is known as an entity instance or entity occurrence in the ER model.a. Trueb. False
The statement that says, "Each row in the relational table is known as an entity instance or entity occurrence in the ER model" is true.
What is a relational table?A relational table, also known as a relational database table, is a database table that stores data in a manner that complies with the relational database model's principles. The relational database model is a technique for organizing data and structuring data relations between tables and fields. Relational tables store data in a manner that preserves data integrity and provides for quick retrieval and data manipulation. This is because tables in a relational database are broken down into a number of smaller tables that are linked by columns that contain related data.
The ER model's entity-instance/occurrence representation The Entity-Relationship (ER) model is a logical data modeling approach that allows for the identification and analysis of the relationships between different entities. An entity is any person, place, or thing that has data that needs to be stored in a database, while a relationship is the link between two or more entities.
Each row in a relational table is known as an entity occurrence or entity instance in the ER model. When combined with the relevant attributes, this row represents a specific entity instance. The ER model is useful for database design because it allows for a high degree of abstraction and clarity in database design, allowing for the creation of more efficient and accurate relational tables.
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for a b-tree of order 4 consisting of 3 levels, what is the maximum amount of records which may be stored?
A B-tree of order 4 and 3 levels can store up to 7 data records.
To understand this, we must first consider how B-trees store data. B-trees are self-balancing tree data structures that can store and retrieve records efficiently. Each node in the tree contains a certain number of records, with the maximum number determined by the order of the tree.
In a B-tree of order 4, each node can store up to 4 records because a B-tree of order 4 and 3 levels has three levels of nodes, the maximum number of records that can be stored is equal to 4 x 4 x 4, or 64.
However, because each node must have at least two records, we can only store 7 records in total. This is the maximum number of records that can be stored in a B-tree of order 4 and 3 levels.
A B-tree is a kind of data structure that is particularly suited to the storage of large quantities of data. It's typically used to organize file systems and databases.
Each node in a B-tree can hold multiple keys and pointers, making it particularly efficient for the storage of large quantities of data.
It's also particularly suited to the storage of large quantities of data because it has a relatively small height compared to other data structures. The maximum amount of records that can be stored in a B-tree of order 4 consisting of 3 levels can be calculated using the following formula :
(4 (3 + 1) - 1) / (4 - 1)= 85
The formula is based on the fact that a B-tree of order m can have up to 2m children per node, and that a B-tree of height h can have up to 2mh nodes. Using this formula, we can calculate that a B-tree of order 4 with 3 levels can store up to 85 records.
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to create a link to a webpage, you insert code in a(n) document that references the webpage by name and location. a. html b. captcha c. pdf d. beta
To create a link to a webpage, you insert code in an HTML document that references the webpage by name and location. So the correct answer is a. html
HTML (Hypertext Markup Language) is the standard markup language used to create webpages and other web-based documents. HTML documents contain special code tags that reference the location and name of the webpages they are linking to. This code looks something like this:
The code between the opening tag and closing tag is the URL of the webpage that the link points to. The text between the opening and closing tags is the anchor text - the text that is clickable in the link.
Once the HTML code is in place, a user can click the anchor text to open the webpage. HTML is just one of the languages used to create webpages and web-based documents. Other languages, such as Captcha (Completely Automated Public Turing test to tell Computers and Humans Apart), PDF (Portable Document Format), and Beta (a version of a program that is being tested), are used to create other types of documents.
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T/F: Wikipedia is a collaborative website where a team of people can publish or modify content on a webpage.
The given statement "Wikipedia is a collaborative website where a team of people can publish or modify content on a webpage." is true because Wikipedia is an online platform where people can access free knowledge.
Wikipedia is a collaborative online encyclopedia where anyone with internet access can create and edit articles. It is based on the wiki technology, which allows users to add, remove, or modify content on a webpage through a web browser. Wikipedia operates under a free license, meaning that its content can be reused and modified by anyone for any purpose. Its articles are written in a neutral point of view and aim to provide reliable, verifiable information on a wide range of topics.
With millions of articles in hundreds of languages, Wikipedia has become one of the most popular sources of information on the internet.
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a mail administrator configured the dns server to allow connections on tcp port 53. why would the administrator make this kind of configuration?
The mail administrator configured the DNS server to allow connections on TCP port 53 because TCP is a more reliable and slower protocol than UDP for DNS.
When a DNS query or response exceeds 512 bytes, the TCP protocol is used to communicate the message because the User Datagram Protocol (UDP) only supports message sizes of up to 512 bytes, as per RFC 1035. The DNS server administrator may have enabled TCP port 53 so that large DNS queries and responses can be handled because TCP is more reliable and slower than UDP. Additionally, DNS over TCP is a backup option when UDP port 53 is blocked or congested.
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at the vi command mode prompt, what key combination will force a quit from the vi editor without saving changes? a. :! b. :exit c. :q d. :q!
The key combination to force a quit from the vi editor without saving changes is :q!. This is the command mode version of the "quit without saving" option.
When we are working with the vi editor, we can use a number of commands to execute various functions. We can also make changes to the content of a file using the vi editor. It is an excellent tool for creating, modifying, and manipulating files from the command line.
One important feature of the vi editor is that we can exit the editor without saving the changes we have made to the file. This is achieved by using the ":q!" command, which is one of the four options provided in the question. So, the correct option is d. :q!.
The other options provided are not correct as explained below:
a. :! is a command to execute a shell command from within the vi editor. It is not a command to quit the editor.
b. :exit is not a valid command in vi editor. It does not exist in the list of commands provided by the editor.
c. :q is a command to quit the editor, but it saves any changes made to the file. It is not the command we need in this situation.
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The number of goals achieved by two football teams in matches in a league is given in the form of two lists. Consider:• Football team A, has played three matches, and has scored { 1 , 2 , 3 } goals in each match respectively.
• Football team B, has played two matches, and has scored { 2, 4 } goals in each match respectively.
• Your task is to compute, for each match of team B, the total number of matches of team A, where team A has scored less than or equal to the number of goals scored by team B in that match.
• In the above case:
• For 2 goals scored by team B in its first match, team A has 2 matches with scores 1 and 2.
For the given scenario, for each match of team B, the total number of matches of team A where team A has scored less than or equal to the number of goals scored by team B in that match is as follows:
First Match of Team B: 2 Goals - Total matches of Team A with score <= 2 goals = 2
Second Match of Team B: 4 Goals - Total matches of Team A with score <= 4 goals = 3
Therefore, for the given scenario, team A has two matches with scores 1 and 2 goals for the first match of team B, and three matches with scores 1, 2, and 3 goals for the second match of team B.
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Match each virtualization component on the left with the appropriate description on the
right. Each type of component may be used once, more than once, or not at all.
-Provides the hardware necessary to create a virtualized environment.
-A thin layer of software that resides between the virtual machine and hardware.
-A software implementation of a computer.
-A file created to store data.
-Allows virtual machines to interact with hardware.Host machine
Hypervisor
Virtual machine
Virtual hard disk
Hypervisor
The table below lists the virtualization components and their corresponding descriptions: Virtualization component, Description Host Machine provides the hardware necessary to create a virtualized environment.
Hypervisor: A thin layer of software that resides between the virtual machine and hardware.
Virtual machine: A software implementation of a computer.
Virtual hard disk: A file created to store data. Allows virtual machines to interact with hardware.
Hypervisor: the hypervisor is a thin layer of software that is located between the virtual machine and hardware. It allows several virtual machines to share the same hardware resources like processor, memory, and storage.
Host machine: The host machine is the actual physical machine on which the virtual machine runs. It provides the hardware necessary to create a virtualized environment.
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The relational model is hardware-dependent and software-independent.a. Trueb. False
The statement "The relational model is hardware-dependent and software-independent." is b. false.
In computer science, a relational model is a theory that aids in the planning and implementation of a database. It is the most widely used model in today's database management systems. It's made up of a set of tables that are interconnected. A relation is a table in the relational database model.
Thus, the relational model is software-dependent and hardware-independent. This statement is contrary to the one given in the question, which is "The relational model is hardware-dependent and software-independent." Thus, the statement is false.
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the transfusion service has a stand-alone computer system. the manager wants to test the system's failover to the backup servers. what exercise type is best suited for this test?
The best exercise type for testing the failover of a transfusion service's stand-alone computer system to the backup server is the full system test.
A full system test involves running the entire system using the backup server.
What is a transfusion service?
Transfusion service is a hospital department that is in charge of providing safe and effective blood and blood component therapy for patients.
The transfusion service is responsible for ensuring that patients receive the correct blood type and that the blood is free of any harmful elements that could cause an adverse reaction.
What is a computer system?
A computer system is a group of interconnected devices that work together to achieve a specific goal. Computer systems are designed to receive input data, process it, store it, and generate output data.
What is a backup server?
A backup server is a secondary server that is used to ensure business continuity in the event of a primary server failure. Backup servers are set up to take over automatically when the primary server goes down, ensuring that the data remains accessible.
What is a full system test?
A full system test is a comprehensive test of a system's failover capability. It involves running the entire system using the backup server. The test is designed to determine how quickly the backup server can take over when the primary server fails and how well the system performs under normal operating conditions.
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You are given two strings - pattern and source. The first string pattern contains only the symbols 0 and 1, and the second string source contains only lowercase English letters
In order to match the pattern to the source string, we can utilise regular expressions.
A search pattern is defined by a string of letters called a regular expression. To match the pattern of 0s and 1s to the source string of lowercase English letters, we may utilise the regular expression engine. To match the pattern, the regular expression engine employs special characters and syntax. For instance, the regular expression /010/ can be used to match the pattern "010" to the source text "dog." Regular expressions are a useful tool in software development and data analysis because they offer a strong and adaptable technique to search for and alter strings.
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How can we match a pattern containing 0's and 1's to a string of lowercase English letters?
vinesh has been asked to take over one of the cloud-based nosql databases that his company uses. as part of his responsibilities he only needs to ensure that accurate data is being written to and read from the database by various applications. the cloud provider handles all the cpu/memory/disk requirements, scaling, fault tolerance, and high availability responsibilities for this database. which of the following cloud models does this scenario describe?
The cloud model that the given scenario describes is the database-as-a-service (DBaaS) cloud model.
Database-as-a-service (DBaaS) is a cloud-based model for database management systems (DBMSs). The cloud provider takes care of the management and administration of the database server, including hardware and software maintenance, scaling, performance tuning, and backup and recovery.
It is a managed cloud service that provides all the resources needed to host and manage a database, such as computing power, storage, memory, and network bandwidth. In the given scenario, Vinesh only needs to ensure that accurate data is being written to and read from the database by various applications, while the cloud provider handles all the CPU/memory/disk requirements, scaling, fault tolerance, and high availability responsibilities for this database.
This implies that Vinesh is responsible for managing the data, and the cloud provider is responsible for managing the infrastructure. Therefore, this scenario describes the database-as-a-service (DBaaS) cloud model.
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which communication technology do wpan (wireless personal area network) devices, such as bluetooth, use to interfere with ieee 802.11g/n wlans?
Certain widely used wireless personal area network (WPAN) devices, including Bluetooth, have a communication method that may conflict with IEEE
Which of the following employs a device pairing method to communicate as an IEEE 802.15 WPAN standard?The IEEE 802.15 WPAN protocol known as Bluetooth, which allows devices to pair and communicate over distances of up to.05 miles, was first developed (100m).
Which of the subsequent WPAN technologies has any connection to Bluetooth?Another WPAN standard is Bluetooth, which uses frequency-hopping spread spectrum to operate in the 2.4 GHz band. At 2400–2480 MHz, Bluetooth links devices in the ISM band. Bluetooth-connected devices are seen as being a member of a personal area network (PAN).
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which field in the tcp header provides the information for the receiving network device to understand where the actual data payload begins?
The "Data Offset" field, also known as the "Header Length" field, is a TCP header field that gives the receiving network device the knowledge it needs to determine where the real data payload starts.
What TCP header field is in charge of identifying the receiving process?The transmission and receiving processes are identified by TCP using the IP address and port number (16-bit value), respectively. A TCP connection is uniquely identified by the two end sockets, which are pairs of an IP address and port number.
Which header field in a TCP segment is responsible for flow control?The window size refers to how much data a source can send before an acknowledgement is required.
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what is the internet
Answer:
The internet is a vast network of interconnected computer systems and devices that communicate with each other using a common set of communication protocols.
4. Which format of data is easiest for analysis?
a. Tabular data
b. Text data in a PDF
c. Data in an image
d. Speech data
Answer:
A. Tabular data
Explanation:
Tabular data is the easiest format of data for analysis. Tabular data is organized into columns and rows
chapter 10 the style of documenting internet sources remains constant across disciplines. true or false
This statement “the style of documenting internet sources remains constant across disciplines” is False because the style of documenting internet sources varies across disciplines.
For example, APA (American Psychological Association) style is commonly used in the social sciences while MLA (Modern Language Association) style is often used in the humanities. Additionally, it is important to note that different academic journals may have their own style guide, so it is important to make sure to follow the particular guidelines for the journal you are writing for.
To document internet sources using APA style, include the author's name, the year of publication, the title of the work, and the URL in the reference list. For example Author, A. A. (Year). Title of work. Retrieved from URLTo document internet sources using MLA style, include the author's name, the title of the work, the name of the website, the publisher, and the date of access on the works cited page.
For example Author, A. A. “Title of Work.” Name of Website, Publisher, Date of Access. It is important to note that the exact formatting of in-text citations can vary by discipline and style guide, so it is important to check the guide you are using.
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Does the return statement in the following method cause compile errors?public static void main(String[] args) {int max = 0;if (max != 0)System.out.println(max);elsereturn;}A. YesB. No
The correct answer is Yes, the code has compilation error because the else statemente is misspelled.
Why error compilation ocurrs?A compile-time error ocurr because "else" sentece is written Else, the Java reserved words are sensitive to uppercase-lowercase letters. So, is mandatory to avoid syntax error because a error compilation occurs.
On the other hands, when you use return statement in Void methods, must be a error compilation, but in this case the return does no have parameters, so the error compilation no ocurr. The following java code demostrate it.
Java code:import java.io.*;
public class Main {
public static void main(String args[]) throws IOException {
BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
int max = 0;
if (max == 0)
System.out.println(max);
else
return;}}
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Kay is researching the health benefits of avocados.She finds an article on the website tracyshealthproducts.com.Which of the following can assure Kay that the content is credible?
A) The site sells products made from avocados.
B) The article's author has been a nutritionist for the last three years.
C) The firm that runs the site is located four blocks from her home.
D) The author has over 8,000 connections on LinkedIn.
The option that can assure Kay that the content is credible is B) The article's author has been a nutritionist for the last three years.
This option indicates that the author has professional experience and expertise in the subject matter. It suggests that the author has likely undergone training and has knowledge in nutrition, which could make their article more credible.
However, it's still important for Kay to critically evaluate the article's content, sources, and information to determine its accuracy and reliability. Additionally, Kay should look for additional sources and information to corroborate the information presented in the article.
Thus, option (B) The article's author has been a nutritionist for the last three years.
You can learn more about credibility of content at
https://brainly.com/question/1279931
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