Answer:
V=a3
Explanation:
volume=area times 3
Examine the experience of shopping online vs shopping in traditional environment. Imagine that you have decided to purchase a digital camera or any other item of your choice, first shop for the camera in traditional manner.
Describe how you would do so (eg: how would you gather the necessary information, you would need to choose the particular item, what stores you would visit, how long it would take, price etc)
Next, shop for the item on the web or via a mobile app.
Compare and contrast your experiences, what were the advantages and disadvantages of each.
What would prefer and why?
Answer:
Explanation:
If I had to buy, let’s say an iPad, I would visit the official store. First of all, I would take a closer look at the product, revising it carefully, if it feels right and if it meets my needs. Then I would ask for the price if they have a discount or any sale upcoming or payment plan. If everything meets my requirements I would buy the item. On the other hand, if there weren’t any official stores around the place I live in, I would visit three different department stores, preferably where they have the product of my interest displayed, also I would ask about the price and/or payment plan or discounts and availability. I must mention that cost is an important aspect to make a decision on where to buy the item. All of this process would take about 1 or 2 days at most.
Advantages
-You can see, feel, check the product to dissipate any doubts, there are people willing to answer any question and help to make a better choice.
Get the product at the same moment you are paying for it and if you want to you can use/wear it immediately.
Disadvantages
If they are out of stock of the item of your interest, there is a chance you will have to wait a long time for it, although it could happen the store won’t have the product available again.
The offers are not as wide as on the web sites.
Shopping on the web or via a mobile app
It is almost the same as shopping in a traditional manner, the greater differences are that there are more virtual places/shops online to compare prices and availability and sometimes they have great offers, because of the competition. Generally, the items are cheaper than a department store.
This process could take about a week, especially if you are waiting for a specific offer.
Advantages
There are lots of options, lots of different online stores, that increase the chances to get a good offer or an item with better characteristics at the same price; if you don’t find availability in one web you can find it in another in no time.
There is no need to leave your house or put on pause your busy schedule, as you will receive the item at your door.
Disadvantages
You can’t check the product given they only display a few pictures of it and a brief description, there is no one to answer your doubts about the item, basically, the decision relies on your research and recommendations of the product.
After making your purchase, you will have to wait a few days to receive your item at home or the workplace. Sometimes happens the store confuses your order sending a different product or other with different characteristics, resulting in having to return the item and wait days to get what you order in the first place.
Explanation:
Which did I prefer and why?
Considering the advances in technology, I prefer to shop online, there I can find what I'm looking for and of course, they have a great offers, too. Besides, with day to day occupations I barely have time to go to a department store, so is easier to access using a computer or an app on the smartphone.
Which operating system is not proprietary and does not rely on cloud-based applications?
Question 2 options:
a. Windows
b. Chrome
c. macOS
d. Linux
What is Virtual Storage Configuration and Management, as well as Virtual Machine Management?
Please offer complete details and examples to back up the question.
Answer:
Virtual storage configuration and management refers to the process of configuring and managing the storage resources of a virtualized environment. This typically involves creating and configuring virtual disks, assigning storage space to virtual machines, and managing the allocation of storage resources among different virtual machines.
Virtual machine management, on the other hand, refers to the process of managing the virtual machines in a virtualized environment. This typically involves creating and configuring virtual machines, installing and configuring operating systems and applications on the virtual machines, and managing the allocation of computing resources such as CPU, memory, and network bandwidth among different virtual machines.
An example of virtual storage configuration and management would be creating a virtual disk with a specified size and assigning it to a virtual machine to use as its primary storage. An example of virtual machine management would be creating a new virtual machine with a specified operating system and allocated resources, and then installing and configuring applications on it.
Both virtual storage configuration and management and virtual machine management are important tasks in a virtualized environment, as they help to ensure that the virtual machines have access to the necessary storage and computing resources to function properly. These tasks are typically performed by system administrators or other IT professionals who have expertise in virtualization and IT infrastructure management.
The Find and Replace dialog box cannot find background color formatting in tables that was applied using __________ or formatting that is applied based on ____________
table style, conditional formatting
The Find and Replace dialog box cannot find background color formatting in tables that were applied using table style or formatting that is applied based on conditional formatting.
The Find and Replace a dialog box is a powerful tool for quickly searching and replacing multiple words or phrases in a document. However, it cannot find background color formatting that has been applied to tables using table style or formatting based on conditional formatting.
This is because the Find and Replace dialog box only searches for text and not formatting. To find and replace background color formatting applied to tables, you will need to use the Formatting pane, which allows you to search for all formatting, including the background color.
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Use 3 collections like HashMap, ArrayList and Vector to insert the key values. Note the duration, required to
insert those key & values to those collections separately. For ArrayList (and for Vector) you may use two instance;
one for key and one for value.
3 collections like HashMap, ArrayList and Vector to insert the key values are=
HashMap: A HashMap is an unordered collection that stores key-value pairs, where each key is unique. It provides
constant-time complexity for insertion of key-value pairs, which is O(1).
ArrayList: An ArrayList is an ordered collection that stores values. It has constant-time complexity for insertion of
values, which is O(1). However, if the key needs to be associated with the value, then two ArrayLists must be used in
order to store the key and value separately. This means that the insertion of a key-value pair would take O(2).
Vector: A Vector is an ordered collection that stores values. It has constant-time complexity for insertion of
values, which is O(1). However, if the key needs to be associated with the value, then two Vectors must be used in
order to store the key and value separately. This means that the insertion of a key-value pair would take O(2).
What is collection?
Collection is a term used to describe a group of items or objects that have been gathered together. It is a term that is commonly used in many different areas such as art, literature, music, fashion and even biology. In art, a collection could refer to a group of paintings or sculptures, while in literature it could refer to a group of books or manuscripts. In music, a collection could refer to a group of songs or albums. In fashion, a collection could refer to a range of clothing or accessories. In biology, a collection could refer to a group of specimens or organisms.
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The PHP method used to get information from a database is which of the following (including all necessary arguments):
a. mysql_query(query, database name)
b. mysql_connect(query, database name)
c. mysql_query(query, connection)
d. mysql_connect(query, connection)
Answer:
mysql_query(query, connection)
Explanation:
Write a program that keeps track of a simple inventory for a store. While there are still items left in the inventory, ask the user how many items they would like to buy. Then print out how many are left in inventory after the purchase. You should use a while loop for this problem.
We have 20 items in inventory. How many would you like to buy? 4 Now we have 16 left. We have 16 items in inventory. How many would you 11 like to buy? 2 Now we have 14 left. We have 14 items in inventory. How many would you like to buy? 8 Now we have 6 left. We have 6 items in inventory. How many would you like to buy? 5 Now we have 1 left. We have 1 items in inventory. How many would you like to buy? 1 A]l out!
Answer:
inventory = 20
while inventory > 0:
print("We have", inventory, "items in inventory.")
buy = int(input("How many would you like to buy? "))
inventory -= buy
if inventory != 0:
print("Now we have", inventory, "left.")
else:
break
print("All out!")
Which data types go through floating data types? (a) int (c) long (b) byte (d) double
Answer:
(d) double
Explanation:
floating data types are data types that can represent numbers with decimal places, such as 3.14 or 2.718. The double data type is a floating data type that can represent very large or very small numbers with a high degree of precision, and is often used in scientific and engineering applications.
discuss the advantages and disadvantages of different methods you could use to help minimise the health problems of using the computer
prefixes = "BCFHMPRSVT"
suffix = "at"
for p in prefixes:
print(p + suffix)
Since Tat is not a word, the program needs to be changed to print That instead of Tat. Add a conditional statement to make the program print That instead of Tat.
Answer:
prefixes = "BCFHMPRSVT"
suffix = "at"
for p in prefixes:
if p == "T":
print("That")
else:
print(p + suffix)
You've just connected a USB wireless network adapter to a Windows desktop system in your home office. You want to use the Windows Connect Now (WCN) push-button connect feature to connect your desktop to your wireless network. Which technology must be implemented on both the wireless access point and the wireless network interface to enable this feature?
Wi-Fi Protected Setup (WPS) technology must be implemented on both the wireless access point and the wireless network interface to enable this feature.
What is Wi-Fi Protected Setup (WPS)?
WPS stands for Wi-Fi Protected Setup, a network security standard that makes connecting devices to a wireless network easier. It allows users to add devices to their Wi-Fi networks in seconds without having to enter long passwords.
One critical distinction is that WPS only handles the transmission of connection data between a router and a client device. It is not in charge of the Wi-Fi connection.
The Wi-Fi Alliance introduced the WPS standard in 2006, and it has since been adopted by all manufacturers of Wi-Fi equipment. As a result, WPS has become a standard feature on all wireless routers and mesh Wi-Fi systems.
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spreadsheet software for management science assists users by multiple select question. providing a familiar environment bringing management science tools within reach of managers teaching managers mathematical theory.
The options that apply for the spreadsheet software for management science are:
- Providing a familiar environment- Bringing management science tools within reach of managers. The Benefits of Spreadsheet Software for Management ScienceSpreadsheet software has become an increasingly popular tool for managing data, but it can also be used for management science. Management science is a field of study that looks at how to use data and analytics to make better decisions and improve organizational performance. Spreadsheet software provides a familiar environment that makes it easier for managers to use these tools. It also brings management science tools within reach of managers, so they can make better decisions and focus on the things that really matter in their organizations.
Spreadsheet software is a great tool for managing data, as it allows users to organize, store, and analyze data in one place. This makes it easier for managers to keep track of their data and make decisions based on the information they have. Spreadsheet software also provides powerful tools for data analysis, such as graphing, filtering, and pivot tables. These features can help managers gain insights into their data and make more informed decisions.
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Using Super Karel commands, create a code so that you have worlds with no balls in any corner.
Ending World
Using the knowledge in computational language in python it is possible to write a code that Super Karel commands, create a code so that you have worlds with no balls in any corner.
Writting the code:from karel import *
# go to square (3, 1) and turn north"
move()
move()
turn_left()
# go to square (3, 3) and turn east
move()
move()
turn_right()
# go to square (5, 3) and turn south
move()
move()
turn_right()
# come to square (5, 2) and take the ball
move()
pick_ball()
# turn north
turn_left()
turn_left()
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The integrity of a program's output is only as good as the integrity of its input. For this reason the program should discard input that is invalid and prompt the user to enter correct data. (true or false)
Most studied answer
This is a true statement because the integrity of the output of a program is only as good as the integrity of its input. For this reason, the program should discard input that is invalid and prompt the user to enter the correct data.
The given statement is true in that a program carries out input data integrity before proceeding to obtain the output. Input integrity refers to the process of checking the data that has been entered into a program to ensure it is valid, accurate, and complete before any computation performs to get output. Since the output of the program is completely dependence on the accuracy of the data entered as input.
Therefore, the given statement is true which states that a program's output data integrity depends on its input data integrity, for this reason, the program discards invalid input and promots the user to input accurate and valid data.
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True
The integrity of a program's output heavily depends on its input's integrity. The program may produce incorrect or unexpected results if the input is invalid or incorrect. Therefore, it is often important for a program to validate its input and discard invalid data. This can help ensure that the program produces reliable and accurate output.
However, there may be situations where it is not practical or necessary to validate all input or where the consequences of invalid input are not significant. In these cases, discarding invalid input may not be necessary and prompt the user to enter the correct data. It is important to consider the specific requirements and constraints of the program and the potential impact of invalid input on the program's output.
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A local variable is printed outside its function. What is the output?
A global version of the variable
Both local and global versions of the variable
The local variable
The output is not defined
In which of the following cases should an import statement not be used?
For a library module needed in a code
For a package with functions from the libraries
For code from Python libraries
For redefining a function called in a code
Select a circumstance when placing a comment inside your code is not justified.
When mentioning useful information that is not in the code
When referencing obscure logic to make sure others follow the code
When stating a simple fact in the code
When using block comments for a longer explanation of the code
For the program below, suppose shipping=200. What is the program output?
def main():
shipping = int(input("Please enter shipping distance."))
if shipping <= 200:
print("We can ship your package!")
else:
print("We are sorry, but we cannot ship your package.")
main()
200
Please enter shipping distance.
We are sorry, but we cannot ship your package.
We can ship your package!
Answer:
Output: We can ship your package
Explanation:
Since the 200 its greater than or equal to shipping.
a user is complaining about a clicking noise from inside her computer. you open up the case and find that the noise is coming from the hard drive. which of the following actions should you take to deal with this issue
An uneven case surface that causes fan blade and motor noise, dust buildup that needs to be cleaned.
The motion to read and write data from the disc should be fluid when the actuator is in operation. When this movement isn't as smooth, the actuator tries to reset itself frequently. This is what causes the well-known hard disk clicking sound. In most situations, this is the source of your hard disk noise.
A broken or faulty equipment, on the other hand, will make a succession of short, sharp sounds, or clicks. These sounds, known as a hard disk "click of death," usually signify a mechanical breakdown. A clicking hard disk can also result in data loss if left ignored.
A failing hard disk has developed from a clicking noise in your computer to a grinding noise. Furthermore, you are seeing more error warnings while running applications, and your computer periodically stops.
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project execution resources, such as office space, computers, and communications equipment, are acquired during the phase of the project life cycle.
The phase in the project life cycle when the work is performed, and everything in the project plan is put into action.
What exactly are project resources?The people, capital, and/or material products necessary for the proper execution and completion of a project are referred to as project resources. In a word, project resources are what you rely on to complete tasks. The project management life cycle is often divided into four stages: planning, execution, and closing. These phases form the road that leads your project from start to finish.
The first stage of a project’s lifespan is initiation. This is where the project’s worth and viability are determined. Initiating, Planning, Executing, Monitoring/Controlling, and Closing are the steps in the process. The Project Lifecycle is divided into seven stages: intake, commencement, planning, product selection, execution, monitoring and control, and closing. These phases comprise the course that your project will travel from start to conclusion.
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Answer
Explanation
the following code checks if the value in memory address x3025 is equal to 32, and if so, it prints a message to the screen. however, it has a bug.
LDI R1, ADDRESS ; R1 = value in address 0x3025
ADD R1, R1, #-32 ; so R1 = R1 - 32
BRnp FINISH ; branch if above result is either positive or negative.
Hence above line is logically not correct. We should check for zero by writing BRz FINISH i.e branch if zero.
So line 4 has a bug. It can be fixed by writing, BRz FINISH .
What is computer bug?
A bug is a coding error in a computer program in computer technology. (We define a program as including the microcode that is built into a microprocessor.) Debugging is the process of finding bugs before users do. Debugging begins after the code is written and progresses in stages as the code is combined with other programming units to form a software product, such as an operating system or an application.
Bugs are frequently found after a product has been released or during public beta testing. When this happens, users must either avoid using the faulty code or obtain a patch from the software developers.
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Does the method call in the following method cause compile errors?
public static void main(String[] args) {Math.pow(2, 4);}
A. Yes
B. No
The method call in the following method cause compile errors of: public static void main(String[] args) {Math.pow(2, 4);} is B. No.
What is an example of a build error?When there is Missing parenthesis, omitting a semicolon, using undeclared variables, and other examples are compile-time mistakes. All of these mistakes are found during compilation, and the compiler displays the appropriate error.
Therefore, compile error occurs when the compiler alerts you to a problem with your software but fails to translate it into machine language. Compile errors will appear and thus the response is No.
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What factors or characteristics do you think are necessary to succeed in the Metaverse from a business perspective?
From a business perspective, the factors or characteristics that are necessary to succeed in the Metaverse from a business perspective are to spot the needs of players within the metaverse, examine trends, and build businesses around those.
What is the Metaverse?The metaverse is a fictional incarnation of the Internet as a single, ubiquitous, and immersive virtual environment made possible by the usage of virtual reality and augmented reality headgear. A metaverse is a network of 3D virtual environments centered on social connection.
The metaverse is a computer industry concept of the next version of the internet: a single, shared, immersive, permanent, 3D virtual place where humans may experience life in ways they cannot in the physical world.
Given that the Metaverse is supposed to be a mirror of reality, it thus would make business sense for commercial needs within the metaverse to be catered for by virtual businesses within the same environment.
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What is the name of the method in the following code segment?
class Fruit :
def getColor(self) :
return self._color
a.) _color
b.) Fruit
c.) getColor
d.) self
The appropriate response to the preceding query is type.
What is the name of the method in the following code segment?The instance variable is defined in the constructor of the class using the self keyword, but the class variable is a variable that is defined in the class.Although the instance variable is only invoked with the aid of objects, the class variable is utilized as the static variable.Because "_type" is declared in the class, the aforementioned program only contains one instance of it. If a value is assigned to an instance variable in either its declaration or every constructor in the class, the variable can be final.A final instance variable may not be assigned a value outside of a constructor.Java instance variables are non-static variables that are defined outside of any methods, constructors, or blocks in a class.That variable exists independently in each instantiation instance of the class.To a class an instance variable belongs.
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Which of the following digital certificates are self-signed and do not depend on the higher-level certificate authority (CA) for authentication?A. Root digital certificates B. Intermediate digital certificates C. User digital certificates D. Domain digital certificates
Correct answer is A. Root digital certificates
What is a Root Digital Certificate?A root digital certificate is self-signed and does not depend on a higher-level certificate authority (CA) for authentication.
A root digital certificate is the topmost certificate in a certificate hierarchy, and it is used to issue intermediate and end-user certificates. Because it is self-signed, a root certificate is not dependent on any other certificate for authentication, and it is considered to be the most trusted certificate in the hierarchy.
Other types of digital certificates, such as intermediate, user, and domain certificates, are typically issued by a higher-level CA and are not self-signed.
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It is often easier to maintain data in a datasheet using a form because all changes for a ____ are the focus at one time. Single record.
It is often easier to maintain data in a datasheet using a form because all changes for a Single Record are the focus at one time.
What is the definition of a single record in a database?Records. A Tuple, Record, or Row is a single entry in a table. In a table, a tuple represents a collection of connected data. As a result, Option 1 is right. A record is a horizontal collection of information in a database; the content of those fields is unique to that row.
The most frequent technique to utilize sub-forms is that the main form only displays one record at a time – in a “form” view, not a datasheet view. The sub-forms exhibit all the records on the many side of a one-to-many connection with the main form’s single record.
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Answer
Explanation
Problem: Develop a program that utilizes random number generators to play number guessing games with the user. The user has two game choices - Pick 1 and Pick 3. The table below details the rules for each game. The program should allow the user to continue playing until the user wishes to end the program or the user has reached the cap (i.e. $100). The program should produce a report indicating the total wining prizes as well as subtotal prizes from each game (i.e. one for Pick 1 and one for Pick 3). Use at least FIVE different functions besides the main function to complete this project.
Game
How to Play
Number Range
Winning Rule
(Only the highest prize can be claimed)
Pick 1
user enters one number within the allowed range
0 through 50
$5 - number matched
Pick 3
user enters 2 regular numbers and one special number (all numbers need to be different)
regular number - 1 through 60
special number - 1 through 30 except 7 and 13
$5 - only the special number matched
$20 - two regular numbers matched
$50 - one regular number AND the special number matched
$100 - all numbers matched
this is C++ please help me with the code
A program that utilizes random number generators to play number guessing games with the user will be:
#include
#include
#include
using namespace std;
int main()
cout << "\n\t\t\tWelcome to GuessTheNumber game!"
<< endl;
cout << "You have to guess a number between 1 and 100. "
"You'll have limited choices based on the "
"level you choose. Good Luck!"
<< endl;
while (true) {
cout << "\nEnter the difficulty level: \n";
cout << "1 for easy!\t";
cout << "2 for medium!\t";
cout << "3 for difficult!\t";
cout << "0 for ending the game!\n" << endl;
// select the level of difficulty
int difficultyChoice;
cout << "Enter the number: ";
cin >> difficultyChoice;
// generating the secret number
srand(time(0));
int secretNumber = 1 + (rand() % 100);
int playerChoice;
// Difficulty Level:Easy
if (difficultyChoice == 1) {
cout << "\nYou have 10 choices for finding the "
"secret number between 1 and 100.";
int choicesLeft = 10;
for (int i = 1; i <= 10; i++) {
// prompting the player to guess the secret
// number
cout << "\n\nEnter the number: ";
cin >> playerChoice;
// determining if the playerChoice matches
// the secret number
if (playerChoice == secretNumber) {
cout << "Well played! You won, "
<< playerChoice
<< " is the secret number" << endl;
cout << "\t\t\t Thanks for playing...."
<< endl;
cout << "Play the game again with "
"us!!\n\n"
<< endl;
break;
}
else {
cout << "Nope, " << playerChoice
<< " is not the right number\n";
if (playerChoice > secretNumber) {
cout << "The secret number is "
"smaller than the number "
"you have chosen"
<< endl;
}
else {
cout << "The secret number is "
"greater than the number "
"you have chosen"
<< endl;
}
choicesLeft--;
cout << choicesLeft << " choices left. "
<< endl;
if (choicesLeft == 0) {
cout << "You couldn't find the "
"secret number, it was "
<< secretNumber
<< ", You lose!!\n\n";
cout << "Play the game again to "
"win!!!\n\n";
}
What is a program?C++ is a powerful general-purpose programming language. It can be used to develop operating systems, browsers, games, and so on. The best programming language for developing embedded system drivers and applications is C.
This language is the most widely used due to the availability of machine-level hardware APIs, C compilers, dynamic memory allocation, and deterministic resource consumption.
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22. Copying formulas saves a lot of time. Which of the following is a method for copying a formula?
a.
Ctrl+c to copy the formula, Ctrl+v to paste the formula.
b. Drag the Fill Handle down, up, left or right to copy a formula.
C.
Press the Copy button on the Ribbon to copy the formula and the Paste button on the Ribbon to Paste it.
All of the above options are correct.
d.
Use incremental development to write a function called hypotenuse that returns the length of the hypotenuse of a right triangle given the lengths of the other two legs as arguments. Record each stage of the development process as you go. (Downey, 2015)
After the final stage of development, print the output of hypotenuse(3, 4) and two other calls to hypotenuse with different arguments.
Include all of the following in your Learning Journal:
An explanation of each stage of development, including code and any test input and output.
The output of hypotenuse(3,4).
The output of two additional calls to hypotenuse with different arguments.
Incremental development is a method of writing function codes that avoids lengthy debugging sessions by writing each line of complete code and executing it so that before moving on to the next stage of development, the previous stage has been successfully executed.
What is Incremental development?The process methodology of incremental development in software engineering emphasizes the benefits of moving slowly toward a goal.
In contrast to the waterfall model of software development, where a functioning system is made available only during the final stages of the project, incremental development starts with a small, functional system that is gradually enhanced and expanded.
The Python function hypotenuse() is provided below:
Stage 1:Creating the skeleton of the function and testing the function code
def hypotenuse(base, per):
return 0.0
print(hypotenuse(3, 4))
Output:
0.0
Stage 2:Insert the hypotenuse calculation expression and output the result to the console.
import math
def hypotenuse(base, per):
h=math.sqrt(base ** 2 + per ** 2)
print(h)
hypotenuse(3, 4)
Output:
5
Stage 3:Finally, finish the function by adding the return expression.
import math
def hypotenuse(base, per):
h=math.sqrt(base ** 2 + per ** 2)
return h
print(hypotenuse(3, 4))
Output:
5
Stage 4:The function is called with the additional two arguments:
import math
def hypotenuse(base, per):
h=math.sqrt(base ** 2 + per ** 2)
return h
print("The hypotaneous is: "+str(hypotenuse(3, 4)))
print("The hypotaneous is: "+str(hypotenuse(12, 5)))
print("The hypotaneous is: "+str(hypotenuse(6, 8)))
Output:
The hypotaneous is: 5.0
The hypotaneous is: 13.0
The hypotaneous is: 10.0
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. At the current rate of increase, what are the clock rates now projected to be in 2025? What has limited the rate of growth of the clock rate, and what are architects doing with the extra transistors now to increase performance?
Answer:
The clock rate is now projected to be 10 GHz in 2025. The rate of growth of the clock rate has been limited by the fact that the speed of light is the ultimate limit on the speed of electrical signals. Architects are using the extra transistors to increase performance by adding more cores to the processor.
To cut or copy text first
Answer:
The cut command removes the selected data from its original position, while the copy command creates a duplicate; in both cases the selected data is kept in temporary storage (the clipboard). The data from the clipboard is later inserted wherever a paste command is issued.
Given an array of words and an array of sentences, determine which words are anagrams of each other. Calculate how many sentences can be created by replacing any word with one of its anagrams, Example wordSet = ['listen' 'silent, 'it', 'is'] sentence = "listen it is silent Determine that listen is an anagram of silent. Those two words can be replaced with their anagrams. The four sentences that can be created are: • listen it is silent • listen it is listen • silent it is silent • silent it is listen
The four sentences that can be created using array : 1.listen it is silent 2. listen it is listen 3. silent it is silent 4. silent it is listen.
What is an Array?It is simpler to determine the position of each element in an array by simply adding an offset to a base value, which is the memory location of the first element in the array. An array is a collection of items of the same data type stored at adjacent memory regions (generally denoted by the name of the array). An array is a striking display or range of a specific kind of stuff. Arrays are one of the most often used data structures, without which any programming arrangement is lacking. The base value is index 0, and the difference between the two indices is the offset. Arrays excel in situations requiring sorted data layout due to their practical working method. The lengthy programming process benefits immensely from the organised list of components.To learn more about Array refer to:
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Create a class called Car that includes three instance variables a model (type
String), a year (type String), and a price (double). Provide a constructor that initializes the three
instance variables. Provide a set and a get method for each instance variable. If the price is not positive,
do not set its value. Write a test application named CarApplication that demonstrates class Car’s capabilities. Create two Car objects and display each object’s price. Then apply a 5% discount on the
price of the first car and a 7% discount on the price of the second. Display each Car’s price again.
Answer:
Here is an example of a class called Car that includes three instance variables: model (type String), year (type String), and price (double). The class includes a constructor that initializes the three instance variables, as well as set and get methods for each instance variable:
Car.java:
public class Car {
private String model;
private String year;
private double price;
// Constructor
public Car(String model, String year, double price) {
this.model = model;
this.year = year;
if (price > 0) {
this.price = price;
}
}
// Set methods
public void setModel(String model) {
this.model = model;
}
public void setYear(String year) {
this.year = year;
}
public void setPrice(double price) {
if (price > 0) {
this.price = price;
}
}
// Get methods
public String getModel() {
return model;
}
public String getYear() {
return year;
}
public double getPrice() {
return price;
}
}
Here is an example of a test application named CarApplication that demonstrates the capabilities of the Car class:
CarApplication.Java:
public class CarApplication {
public static void main(String[] args) {
Car car1 = new Car("Ford", "2020", 30000.0);
Car car2 = new Car("Toyota", "2019", 35000.0);
// Display the price of each car
System.out.println("Car 1: " + car1.getPrice());
System.out.println("Car 2: " + car2.getPrice());
// Apply a 5% discount on the price of car 1
car1.setPrice(car1.getPrice() * 0.95);
// Apply a 7% discount on the price of car 2
car2.setPrice(car2.getPrice() * 0.93);
// Display the price of each car again
System.out.println("Car 1: " + car1.getPrice());
System.out.println("Car 2: " + car2.getPrice());
}
}
Explanation:
When this code is run, it will output the following:
Car 1: 30000.0
Car 2: 35000.0
Car 1: 28500.0
Car 2: 32850.0