C: ' >= and <= ' is a pair of comparison operators that is equivalent to the BETWEEN operator.
In the context of programming languages, comparison operators are those operators that compare values and return either true or false. There are several comparison operators including >= , <= , > , < , === , and !== .
As the context of the question is that you have to identify which pair of comparison operators behaves the same way as BETWEEN operator, the answer to this statement is ' >= and <= '. The statement represents a pair of comparison operators which are '>=' and '<='; the pair of both operators is equivalent to the BETWEEN operator.
"
Complete question:
which of the following pairs of comparison operators is equivalent to the BETWEEN operator? (check all that apply)
A: >= and <
B: = and <=
C: >= and <=
D: > and <
"
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Database systems are exposed to many attacks, including dictionary attack, show with implantation how dictionary attack is launched?(Java or Python) ?
A type of brute-force attack in which an intruder uses a "dictionary list" of common words and phrases used by businesses and individuals to attempt to crack password-protected databases.
What is a dictionary attack?
A Dictionary Attack is an attack vector used by an attacker to break into a password-protected system by using every word in a dictionary as a password for that system. This type of attack vector is a Brute Force Attack.
The dictionary can contain words from an English dictionary as well as a leaked list of commonly used passwords, which, when combined with common character replacement with numbers, can be very effective and fast at times.
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11. In cell R9, enter a formula using the AVERAGE function and structured references to determine the average number of years of post-secondary education of all students as shown in the Post-Secondary Years column.
The typical AVERAGE function that can be used to determine the average number of years of post-secondary education of all students is "AVERAGE(StudentRepresentatives[Post-Secondary Years])".
What is an AVERAGE function?In a spreadsheet, the AVERAGE function is used to find the normal average of a list of data, such as the total list of population.
In conclusion, the function "AVERAGE(StudentRepresentatives[Post-Secondary Years])" will be used to determine the average number of years.
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In JAVA with comments: Consider an array of integers. Write the pseudocode for either the selection sort, insertion sort, or bubble sort algorithm. Include loop invariants in your pseudocode.
Here's a Java pseudocode implementation of the selection sort algorithm with comments and loop invariants:
```java
// Selection Sort Algorithm
public void selectionSort(int[] arr) {
int n = arr.length;
for (int i = 0; i < n - 1; i++) {
int minIndex = i;
// Loop invariant: arr[minIndex] is the minimum element in arr[i..n-1]
for (int j = i + 1; j < n; j++) {
if (arr[j] < arr[minIndex]) {
minIndex = j;
}
}
// Swap the minimum element with the first element
int temp = arr[minIndex];
arr[minIndex] = arr[i];
arr[i] = temp;
}
}
```The selection sort algorithm repeatedly selects the minimum element from the unsorted part of the array and swaps it with the first element of the unsorted part.
The outer loop (line 6) iterates from the first element to the second-to-last element, while the inner loop (line 9) searches for the minimum element.
The loop invariant in line 10 states that `arr[minIndex]` is always the minimum element in the unsorted part of the array. After each iteration of the outer loop, the invariant is maintained.
The swap operation in lines 14-16 exchanges the minimum element with the first element of the unsorted part, effectively expanding the sorted portion of the array.
This process continues until the entire array is sorted.
Remember, this pseudocode can be directly translated into Java code, replacing the comments with the appropriate syntax.
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which of the following uses technical and artistic skills to create visual products that communicate information to an audience? ○computer engineer ○typography ○computer animator ○graphic designer
Answer:
grafic desiner
Explanation:
just a guess lol
Answer:
I don't know...
Explanation:
D
what is the best movie in the world
Answer: Sui*de Squad
Explanation: I say this because Harley Quinn is in it and I am obsessed with her lol-
Answer:
IMDb's highest rated movie is The Shawshank Redemption
Rotten Tomatoes rates The Wizard of Oz the freshest movie out there.
Metacritic Rates Citizen Kane the Best Movie of All Time, right after the Godfather.
what is paragraph indentation
Answer:
a blank space between a margin and the beginning of a line of text
Explanation:
Worksheet-I • Make a list of 10 application software and 5 utility programs installed in your computer, along with their uses. Uses Applications Type
Answer:
An antivirus is a utility software that helps to keep the computer virus-free. Moreover, it notifies when any malicious file is detected and removes such files. In addition, it scans any new device attached to the computer and discards any virus if there. Moreover, it also scans the system from time to time for any threats and disposes of them. Examples of antivirus are McAfee Antivirus, Quick heal Antivirus, Windows Defender, etc.
These utility software are used to manage files of the computer system. Since files are an important part of the system as all the data is stored in the files. Therefore, this utility software help to browse, search, arrange, find information, and quickly preview the files of the system.
An important part of a computer is storage space, it is very important to maintain this storage. Therefore, we use certain utility software to compress big files and decrease their size, these are compression tools. The format of the files changes while compressing and we cannot access or edit them directly. In addition, we can easily decompress the file and get the original file back. Examples of compression tools are WinZip, WinRAR, 7-Zip, etc.
These utility software are used to manage data on disks. Moreover, they perform functions like partitioning devices, manage drives, etc. Examples of disk management tools are Mini Tool Partition Wizard, Paragon Partition Manager, etc.
This utility software helps to free up the disk space. In addition, the files which are no longer in use are removed from the disk. Examples are Cortex, C Cleaner, etc.
Explanation:
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ask more I'll help if I know the answer
Help pls.
Write python 10 calculations using a variety of operations. Have a real-life purpose for each calculation.
First, use Pseudocode and then implement it in Python.
For example, one calculation could be determining the number of gallons of gas needed for a trip based on the miles per gallon consumed by a car.
A python program that calculates the number of gallons of gas needed for a trip based on the miles per gallon consumed by a car is given below:
The Programdef printWelcome():
print ('Welcome to the Miles per Gallon program')
def getMiles():
miles = float(input('Enter the miles you have drove: '))
return miles
def getGallons():
gallons = float(input('Enter the gallons of gas you used: '))
return gallons
def printMpg(milespergallon):
print ('Your MPG is: ', str(milespergallon))
def calcMpg(miles, gallons):
mpg = miles / gallons
return mpg
def rateMpg(mpg):
if mpg < 12:
print ("Poor mpg")
elif mpg < 19:
print ("Fair mpg")
elif mpg < 26:
print ("Good mpg")
else:
print ("Excellent mpg")
if __name__ == '__main__':
printWelcome()
print('\n')
miles = getMiles()
if miles <= 0:
print('The number of miles cannot be negative or zero. Enter a positive number')
miles = getMiles()
gallons = getGallons()
if gallons <= 0:
print('The gallons of gas used has to be positive')
gallons = getGallons()
print('\n')
mpg = calcMpg(miles, gallons)
printMpg(mpg)
print('\n')
rateMpg(mpg)
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You are working as a marketing analyst for an ice cream company, and you are presented with data from a survey on people's favorite ice cream flavors. In the survey, people were asked to select their favorite flavor from a list of 25 options, and over 800 people responded. Your manager has asked you to produce a quick chart to illustrate and compare the popularity of all the flavors.
which type of chart would be best suited to the task?
- Scatter plot
- Pie Chart
- Bar Chart
- Line chart
In this case, a bar chart would be the most suitable type of chart to illustrate and compare the popularity of all the ice cream flavors.
A bar chart is effective in displaying categorical data and comparing the values of different categories. Each flavor can be represented by a separate bar, and the height or length of the bar corresponds to the popularity or frequency of that particular flavor. This allows for easy visual comparison between the flavors and provides a clear indication of which flavors are more popular based on the relative heights of the bars.
Given that there are 25 different ice cream flavors, a bar chart would provide a clear and concise representation of the popularity of each flavor. The horizontal axis can be labeled with the flavor names, while the vertical axis represents the frequency or number of respondents who selected each flavor as their favorite. This visual representation allows for quick insights into the most popular flavors, any potential trends, and a clear understanding of the distribution of preferences among the survey participants.
On the other hand, a scatter plot would not be suitable for this scenario as it is typically used to show the relationship between two continuous variables. Pie charts are more appropriate for illustrating the composition of a whole, such as the distribution of flavors within a single respondent's choices. Line charts are better for displaying trends over time or continuous data.
Therefore, a bar chart would be the most effective and appropriate choice to illustrate and compare the popularity of all the ice cream flavors in the given survey.
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Philip took pictures with his smartphone and save them into his computer unless you delete the photos from the computer they will remain strong because the a computer has a
Answer:
Storage drive
Explanation:
1. Philip took pictures on a smartphone; given
2. Philip saved pictures from smartphone onto computer; given
Philip saved the pictures onto the computer. This means that the data was transferred from the phone's storage drive onto the computer's storage drive. Storage drives are strong/hard storage mediums. This means that the storage drive will not be deleted on each start-up, unlike weak/soft storage of random access memory (RAM).
HDD = Hard Disk Drive; strong/hard medium (non-volatile); a mechanical actuator etches data into magnetic platters.
SSD = Solid State Drive; strong/hard medium (non-volatile); NAND logic gates on electronically erasable programmable read-only memory (EEPROM) chips are controlled through a SSD controller
RAM = Random Access Memory; weak/soft medium (volatile); Double Data Rate (DDR) Synchronous Dynamic Random Access Memory modules (SDRAM) are controlled most commonly through a central processor unit (CPU) or through a dedicated memory chip (specialized tasks most commonly).
Our solution to the IMDB problem thus far has not actually told us who is the busiest individual in the Internet Movie Database. Your job in this part is to complete this task. Starting from the code produced in class, which will be immediately posted on the Course Website (in the Code written in class area), write a program that finds and prints the name of the individual who appears the most times in the IMDB file you are given. Also, count and output the number of individuals who appear only 1 time in the IMDB. For example. if the answer was Thumb, Toni and this person had appeared 100 times, and if 2,000 people had only appeared once, then your output would be: Enter the name of the IMDB file imdb_data.txt Thumb, Toni appears most often: 100 times 2000 people appear once We strongly suggest that you test your solution on the hanks.txt dataset first! We will test on multiple files. You do not need to worry about the possibility of a tie for the most commonly occurring name. Please initialize your dictionary using dict() rather than []
To find the busiest individual in the IMDB file and count the number of individuals who appear only once, we need to read the data from the IMDB file and store it in a dictionary.
We can use the name of the individual as the key in the dictionary and the count of their appearances as the value. To find the busiest individual, we can iterate through the dictionary and find the key with the highest value. To count the number of individuals who appear only once, we can iterate through the dictionary and count the number of keys with a value of 1. It's important to initialize the dictionary using dict() rather than [] to avoid errors.The code will be posted on the Course Website (in the Code written in class area), and it can be modified to include the above functionalities.
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Write a recursive method named digitSum that accepts an integer as a parameter and returns the sum of its digits. For example, calling digitSum(1729) should return 1 7 2 9, which is 19. If the number is negative, return the negation of the value. For example, calling digitSum(-1729) should return -19.
Answer:
The function in Python is as follows:
def digitSum( n ):
if n == 0:
return 0
if n>0:
return (n % 10 + digitSum(int(n / 10)))
else:
return -1 * (abs(n) % 10 + digitSum(int(abs(n) / 10)))
Explanation:
This defines the method
def digitSum( n ):
This returns 0 if the number is 0
if n == 0:
return 0
If the number is greater than 0, this recursively sum up the digits
if n>0:
return (n % 10 + digitSum(int(n / 10)))
If the number is lesser than 0, this recursively sum up the absolute value of the digits (i.e. the positive equivalent). The result is then negated
else:
return -1 * (abs(n) % 10 + digitSum(int(abs(n) / 10)))
Looking at the data in the spreasheet above, what is the user trying to keep track of? Who might this person be?
pls help I'll give you 50 brainlist if it's correct
Answer:
The user is trying to keep track of prices of fruits. The person might be a fruit saler
QUESTION 1 Choose a term from COLUMN B that matches a description in COLUMN A. Write only the letter (A-L) next to the question number (1.1-1.10) in the ANSWER BOOK. COLUMN A 1.1. Substances that provide nourishment to the body 1.2. How you think and feel about something 1.3. Helps to cope with the challenges of being a student Exercise relating to increasing your heart rate 1.5. Having traits or qualities traditionally associated with 1.4. men 1.6. Seeing, hearing, or sensing something that is not really there 1.7. 1.8. Leaving everything till the last minute Is Chapter 2 in the Constitution of SA 1.9. Group of people who share notes and information 1.10. Ability to exercise for extended period of time COLUMN B A hallucination B nutrients C study group D procrastinate E endurance F Bill of Rights G Cardio-vascular H masculine I attitude J resilience K strength L flexibility
Answer:
1.1 B nutrients 1.2 I attitude 1.3 J resilience 1.4 H masculine 1.5 L flexibility 1.6 A hallucination 1.7 D procrastinate 1.8 F Bill of Rights 1.9 C study group 1.10 E endurance
Explanation:
Sandra bought a house 20 years ago for $200,000, paid local property taxes for 20 years and just sold it for $350,00. Which is true
Profit from selling buildings held one year or less is taxed as ordinary income at your regular tax rate.
What is Tax rate?To help build and maintain the infrastructure, the government commonly taxes its residents. The tax collected is used for the betterment of the nation, society, and all living in it. In the U.S. and many other countries around the world, a tax rate is applied to money received by a taxpayer.Whether earned from wages or salary, investment income like dividends and interest, capital gains from investments, or profits made from goods or services, a percentage of the taxpayer’s earnings or money is taken and remitted to the government.When it comes to income tax, the tax rate is the percentage of an individual's taxable income or a corporation's earnings that is owed to state, federal, and, in some cases, municipal governments. In certain municipalities, city or regional income taxes are also imposed.
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Answer:
B. She will owe capital gains taxes on the sale earnings.
Explanation:
Consider the following method, which is intended to count the number of times the letter "A" appears in the string str.
public static int countA(String str)
{
int count = 0;
while (str.length() > 0)
{
int pos = str.indexOf("A");
if (pos >= 0)
{
count++;
/* missing code */
}
else
{
return count;
}
}
return count;
}
Which of the following should be used to replace /* missing code */ so that method countA will work as intended?
A) str = str.substring(0, pos);
B) str = str.substring(0, pos + 1);
C) str = str.substring(pos - 1);
D) str = str.substring(pos);
E) str = str.substring(pos + 1);
The instruction that should replace /* missing code */ so that the method countA works as intended is (e) str = str.substring(pos+1);
MethodsThe program is an illustration of methods (or functions)
Methods are blocks of program statements that are executed when called or evoked
For the method to return the number of character A in a string, the loop body must check if the current character is A.
This is done using the substring method of a string
The syntax of this is: str.substring(pos + 1).
Where str represents the string, and pos + 1 represents the character index
Hence, the missing instruction is str = str.substring(pos+1);
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What is XOR and XNOR logic gates?
Answer:
There are two remaining gates of the primary electronics logic gates: XOR, which stands for Exclusive OR, and XNOR, which stands for Exclusive NOR. In an XOR gate, the output is HIGH if one, and only one, of the inputs is HIGH. ... An XNOR gate is an XOR gate whose output is inverted.
Explanation:
There are two remaining gates of the primary electronics logic gates: XOR, which stands for Exclusive OR, and XNOR, which stands for Exclusive NOR. In an XOR gate, the output is HIGH if one, and only one, of the inputs is HIGH. ... An XNOR gate is an XOR gate whose output is inverted..
According to Dede (2009), different
games can be assigned and used based
on students' characteristics. Information
about student performance when playing
games can help science teachers plan
subsequent classroom activities. Games
also can be utilized for students with
special needs, which can be selected to
match their ability levels.
Yes, games can be an effective tool in education and can be tailored to meet the needs and abilities of different students. According to Dede (2009), the use of games in the classroom can help teachers gather information on student performance, and games can also be used to support students with special needs.
Students are studying the effects of beach pollution by counting populations of seagulls at two different beach locations. One location is a beach near a large industrial marina where boats are serviced; the second location is an isolated beach surrounded by a state park. The students plan to count all the visible seagulls at the beaches at specific times of day. They will repeat the bird count for 10 days and then analyze the data.
What is the outcome variable (dependent variable) in this study?
Answer:
The number of seagulls in each location.
Explanation:
Dependent variables are something that you are recording or measuring.
Suppose we want to put an array of n integer numbers into descending numerical
order. This task is called sorting. One simple algorithm for sorting is selection sort.
You let an index i go from 0 to n-1, exchanging the ith element of the array with
the maximum element from i up to n. Using this finite set of integers as the input
array {4 3 9 6 1 7 0}:
i. Perform the asymptotic and worst-case analysis on the sorting algorithm
been implemented
i) Time complexity for worst case is O(n^2).
What is asymptotic?
Asymptotic, informally, refers to a value or curve that is arbitrarily close. The term "asymptote" refers to a line or curve that is asymptotic to a given curve. Let be a continuous variable that tends to some limit, to put it more formally.
1) Asymptotic & worst case analysis:
The worst case analysis occur when the array is sorted in decreasing order.
Time Complexity = O(n^2)
Pseudocode:
for(i=0; i<n-1; i++)
{
int min_index = i;
for (j=i+1;, j<n; j++)
{
if(arr[i]<arr[min_index])
{
min_index = j; }
swap(arr[i],arr[min_index]);
}
}
Let n=6
so,
i =[0,1,2,3,4]
j = [1→5,2→5,3→5,4→5,5→5]
Number of iteration:
5,4,3,2,1
General case:
\(\sum^{n-1}_1= 1 + 2 +3 +......+(n-1)\)
\(\sum^{n-1}_1= \frac{n(n-1)}{2}\)
\(= \frac{n^2-n}{2}\)
So, Time complexity = O(n^2).
∴Time complexity for worst case is O(n^2).
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Write some of the advantages and disadvantages of each of the bridges for the community. Think about which parts will help the community, and which parts will not help. If the bridge is meant to carry cars, it might be too expensive for your tender. Checklist for investigating bridges Is the bridge for cars? Is the bridge for people? Is the bridge too expensive for the tender? Can the bridge be built strong and high enough so that it is not washed away by floods? Can the bridge be built so that it is stable and does not sway? Can the bridge be built long enough so that it can reach or span across the river? Is the bridge strong enough so that the villagers can walk safely across? Yes No Remember that the bridge has to solve the community's problem. In technology, we call this fit-for-purpose. In this case, it means that your bridge has to be strong and high enough to carry people and not cars. However, your bridge has to be strong enough to withstand floods, which are common in KwaZulu-Natal. Your bridge must also be stable, so that it does not sway and cause old people and children to fall when (2) they walk across. It should have a structure that can span a wide.
Answer:
Assuming that the bridge is meant for people and not cars, here are some advantages and disadvantages of each of the bridges for the community:
Suspension Bridge:
Advantages:
Can span long distances, making it useful for crossing wider rivers.
Allows for a high clearance above the water, reducing the risk of flooding.
Can be designed to be aesthetically pleasing, potentially attracting tourists to the area.
Can provide a safe and convenient way for people to cross the river.
Disadvantages:
Can be expensive to build and maintain, potentially making it too costly for the community.
Can be affected by strong winds, making it potentially unsafe during storms.
Can be difficult to build and require specialized skills and equipment.
May not be suitable for areas with high seismic activity, as it could be prone to collapse during earthquakes.
Cable-Stayed Bridge:
Advantages:
Can span long distances, making it useful for crossing wider rivers.
Requires fewer support towers than a suspension bridge, making it potentially less expensive.
Can provide a safe and convenient way for people to cross the river.
Can be designed to be aesthetically pleasing, potentially attracting tourists to the area.
Disadvantages:
Can be expensive to build and maintain, potentially making it too costly for the community.
Can be affected by strong winds, making it potentially unsafe during storms.
Can require specialized skills and equipment to build.
May not be suitable for areas with high seismic activity, as it could be prone to collapse during earthquakes.
Beam Bridge:
Advantages:
Relatively inexpensive to build and maintain, making it potentially affordable for the community.
Can be built using local materials and simple construction methods.
Can be suitable for shorter spans.
Disadvantages:
May not be strong enough to withstand flooding, especially if the river is prone to flash floods.
May not be suitable for longer spans or wider rivers.
Can be affected by seismic activity, potentially causing it to collapse during earthquakes.
May not be aesthetically pleasing, potentially detracting from the area's appeal.
In general, the bridge design should balance the advantages and disadvantages to ensure that it is fit-for-purpose and meets the needs of the community.
What is the first step you should take when you want to open a savings account? A. Present your photo ID to the bank representative. B. Go to the bank and fill out an application. C. Make your initial deposit. D. Review the different savings account options that your blunk offers.
Answer: B
Explanation:
True or False: Navigation bars have increased in popularity since 2010.
Navigation bars have increased in popularity since 2010 is a true statement.
What is the Navigation bars?Navigation bars is a term that is known as menus, have gotten to be a common plan component in web advancement and client interfacing since 2010.
They are utilized to supply simple get to to different sections or pages of an online site or application, making strides client involvement and route. With the expanding predominance of responsive web plan and versatile gadgets, route bars have ended up indeed more vital in giving instinctive and others.
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A painting company has determined that to paint 115 square feet of wall space, the task will require one gallon of paint and 8 hours of labor. The company charges $20.00 per hour for labor. Design a modular program that asks the user to enter the number of square feet of wall space to be painted and the price of paint per gallon. The program should then calculate and display the following data:
The number of gallons of paint required
The hours of labor required
The cost of the paint
The labor charges
The total cost of the paint job
Your program should contain the following modules:
Module main. Accepts user input of the wall space (in square feet) and the price of a gallon of paint. Calculates the gallons of paint needed to paint the room, the cost of the paint, the number of labor hours needed, and the cost of labor. Calls summaryPaint, passing all necessary variables.
Module summaryPaint. Accepts the gallons of paint needed, the cost of the paint, the number of labor hours needed, and the cost of labor. Calculates and displays total cost of the job and statistics shown in the Expected Output.
Expected Output
Enter wall space in square feet: 500
Enter price of paint per gallon: 25.99
Gallons of paint: 4.3478260869565215
Hours of labor: 34.78260869565217
Paint charges: $112.99999999999999
Labor charges: $695.6521739130435
Total Cost: $808.6521739130435
I have tried writing the statement in the cost of Paint method in to the main method and it works. But that does not help as I need the method to do this. I know my problem has to do with the paintNeeded variable, I am just unsure of how to fix this.
Write a program of square feet?
public class Main{
public static double paintRequired(double totalSquareFeet){
double paintNeeded = totalSquareFeet / 115;
return paintNeeded;
}
public static double costOfPaint(double paintNeeded, double costOfPaint){
double paintCost = paintNeeded * costOfPaint;
return paintCost;
}
public static void main(String[] args){
double costOfPaint = 0;
int totalSquareFeet = 0;
double paintNeeded = 0;
Scanner getUserInput = new Scanner(System.in);
System.out.println("what is the cost of the paint per gallon");
costOfPaint = getUserInput.nextDouble();
System.out.println("How many rooms do you need painted");
int rooms = getUserInput.nextInt();
for(int i = 1; i <= rooms; i++){
System.out.println("how many square feet are in room:" + i);
int roomSquareFeet = getUserInput.nextInt();
totalSquareFeet = roomSquareFeet + totalSquareFeet;
}
System.out.println("the amount of paint needed:" + paintRequired(totalSquareFeet) + "gallons");
System.out.println("the cost of the paint will be: " + costOfPaint(paintNeeded, costOfPaint));
}
}
For my costOfPaint i keep getting 0.
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. Write a program to calculate the square of 20 by using a loop
that adds 20 to the accumulator 20 times.
The program to calculate the square of 20 by using a loop
that adds 20 to the accumulator 20 times is given:
The Programaccumulator = 0
for _ in range(20):
accumulator += 20
square_of_20 = accumulator
print(square_of_20)
Algorithm:
Initialize an accumulator variable to 0.
Start a loop that iterates 20 times.
Inside the loop, add 20 to the accumulator.
After the loop, the accumulator will hold the square of 20.
Output the value of the accumulator (square of 20).
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Can someone help me with this worksheet?
Answer:
Here are the answers
Explanation:
I need help with the question below.
import java.util.*;
public class TreeExample2 {
public static void main (String[] argv)
{
// Make instances of a linked-list and a trie.
LinkedList intList = new LinkedList ();
TreeSet intTree = new TreeSet ();
// Number of items in each set.
int collectionSize = 100000;
// How much searching to do.
int searchSize = 1000;
// Generate random data and place same data in each data structure.
int intRange = 1000000;
for (int i=0; i 0)
r_seed = t;
else
r_seed = t + m;
return ( (double) r_seed / (double) m );
}
// U[a,b] generator
public static double uniform (double a, double b)
{
if (b > a)
return ( a + (b-a) * uniform() );
else {
System.out.println ("ERROR in uniform(double,double):a="+a+",b="+b);
return 0;
}
}
// Discrete Uniform random generator - returns an
// integer between a and b
public static long uniform (long a, long b)
{
if (b > a) {
double x = uniform ();
long c = ( a + (long) Math.floor((b-a+1)*x) );
return c;
}
else if (a == b)
return a;
else {
System.out.println ("ERROR: in uniform(long,long):a="+a+",b="+b);
return 0;
}
}
public static int uniform (int a, int b)
{
return (int) uniform ((long) a, (long) b);
}
public static double exponential (double lambda)
{
return (1.0 / lambda) * (-Math.log(1.0 - uniform()));
}
public static double gaussian ()
{
return rand.nextGaussian ();
}
public static double gaussian (double mean, double stdDeviation)
{
double x = gaussian ();
return mean + x * stdDeviation;
}
} // End of class RandTool
The given code is a Java program that includes a class named TreeExample2 with a main method. It demonstrates the usage of a linked list and a tree set data structure to store and search for elements.
The program begins by creating instances of a linked list (LinkedList) and a tree set (TreeSet). Then, it defines two variables: collectionSize and searchSize. collectionSize represents the number of items to be stored in each data structure, while searchSize determines the number of search operations to be performed.
Next, the program generates random data within the range of intRange (which is set to 1000000) and inserts the same data into both the linked list and the tree set.
The program uses a set of utility methods to generate random numbers and perform various operations. These methods include:
uniform(): Generates a random double between 0 and 1 using a linear congruential generator.
uniform(double a, double b): Generates a random double within the range [a, b).
uniform(long a, long b): Generates a random long within the range [a, b].
uniform(int a, int b): Generates a random integer within the range [a, b].
exponential(double lambda): Generates a random number from an exponential distribution with the specified lambda parameter.
gaussian(): Generates a random number from a standard Gaussian (normal) distribution.
gaussian(double mean, double stdDeviation): Generates a random number from a Gaussian distribution with the specified mean and standard deviation.
Overall, the code serves as an example of using a linked list and a tree set in Java, along with utility methods for generating random numbers from various distributions.
Drag the tiles to the correct boxes to complete the pairs.
Match each task to the type of control structure represents.
switch case
sequence
repetition
if else
assembling structure step by step
choosing between two subjects
selecting a color out of five colors
testing a product until free of bugs
Answer:
A structure choosing between two subjects - Switch case sequence
Selecting a color out of five colors - If else assembling
Testing a product until free of bugs - Repetition
1. List three hardware computer components? Describe each component, and what its function is.
Explanation:
I can't just describe it hope this much is fine for the....
Answer:
Three hardware components are;
input deviceoutput deviceC.P.UThe input devices are used to get data into a computer.
The output device are used to get processed data out of a computer.
The C.P.U which is known as the central processing unit, it is known as the brain of the computer, it takes the raw data and turns it into information.
Refer to the exhibit. SwitchA receives the frame with the addressing shown in the exhibit. According to the command output also shown in the exhibit, how will SwitchA handle this frame?
It will drop the frame
It will forward the frame out port Fa0/6 only
It will flood the frame out all ports except Fa0/ 3
It will forward the frame out port Fa0/ 3 only
It will flood the frame out all ports
Where SwitchA receives the frame with the address shown in the exhibit. According to the command output also shown in the exhibit, SwitchA will handle this frame such that "It will forward the frame out port Fa0/6 only." (Option B).
What is a switch?A network switch is a piece of networking gear that links devices on a computer network by receiving and forwarding data to the target device using packet switching. A network switch is a multiport network bridge that employs MAC addresses to forward data at the OSI model's data link layer.
An Ethernet switch's most fundamental function is to link unconnected devices to form a local area network (LAN), but integrating additional types of switches can provide you greater control over your data, devices, routers, and access points.
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