Answer:
Definition and Properties. Code optimization is any method of code modification to improve code quality and efficiency. A program may be optimized so that it becomes a smaller size, consumes less memory, executes more rapidly, or performs fewer input/output operations.
Write an application that combines several classes and interfaces.
Answer:
Explanation:
The following program is written in Java and it combines several classes and an interface in order to save different pet objects and their needed methods and specifications.
import java.util.Scanner;
interface Animal {
void animalSound(String sound);
void sleep(int time);
}
public class PetInformation {
public static void main(String[] args) {
Scanner scnr = new Scanner(System.in);
String petName, dogName;
String dogBreed = "null";
int petAge, dogAge;
Pet myPet = new Pet();
System.out.println("Enter Pet Name:");
petName = scnr.nextLine();
System.out.println("Enter Pet Age:");
petAge = scnr.nextInt();
Dog myDog = new Dog();
System.out.println("Enter Dog Name:");
dogName = scnr.next();
System.out.println("Enter Dog Age:");
dogAge = scnr.nextInt();
scnr.nextLine();
System.out.println("Enter Dog Breed:");
dogBreed = scnr.nextLine();
System.out.println(" ");
myPet.setName(petName);
myPet.setAge(petAge);
myPet.printInfo();
myDog.setName(dogName);
myDog.setAge(dogAge);
myDog.setBreed(dogBreed);
myDog.printInfo();
System.out.println(" Breed: " + myDog.getBreed());
}
}
class Pet implements Animal{
protected String petName;
protected int petAge;
public void setName(String userName) {
petName = userName;
}
public String getName() {
return petName;
}
public void setAge(int userAge) {
petAge = userAge;
}
public int getAge() {
return petAge;
}
public void printInfo() {
System.out.println("Pet Information: ");
System.out.println(" Name: " + petName);
System.out.println(" Age: " + petAge);
}
//The at (email symbol) goes before the Override keyword, Brainly detects it as a swearword and wont allow it
Override
public void animalSound(String sound) {
System.out.println(this.petName + " says: " + sound);
}
//The at (email symbol) goes before the Override keyword, Brainly detects it as a swearword and wont allow it
Override
public void sleep(int time) {
System.out.println(this.petName + " sleeps for " + time + "minutes");
}
}
class Dog extends Pet {
private String dogBreed;
public void setBreed(String userBreed) {
dogBreed = userBreed;
}
public String getBreed() {
return dogBreed;
}
}
You plan to make a delicious meal and want to take the money you need to buy the ingredients. Fortunately you know in advance the price per pound of each ingredient as well as the exact amount you need. The program should read in the number of ingredients (up to a maximum of 10 ingredients), then for each ingredient the price per pound. Finally your program should read the weight necessary for the recipe (for each ingredient in the same order). Your program should calculate the total cost of these purchases, then display it with 6 decimal places.
Example There are 4 ingredients and they all have a different price per pound: 9.90, 5.50, 12.0, and 15.0. You must take 0.25 lbs of the first, 1.5 lbs of the second, 0.3 lbs of the third and 1 lb of the fourth. It will cost exactly $29.325000.
Answer:
In Python:
prices = []
pounds = []
print("Enter 0 to stop input")
for i in range(10):
pr = float(input("P rice: "+str(i+1)+": "))
pd = float(input("Pound: "+str(i+1)+": "))
if pr != 0 and pd != 0:
prices.append(pr)
pounds.append(pd)
else:
break
amount = 0
for i in range(len(pounds)):
amount+= (pounds[i]*prices[i])
print("Amount: $",amount)
Explanation:
These initialize the prices and pounds lists
prices = []
pounds = []
This prompts the user to enter up to 10 items of press 0 to quit
print("Enter 0 to stop input")
This iterates through all inputs
for i in range(10):
This gets the price of each item
pr = float(input("P rice: "+str(i+1)+": "))
This gets the pound of each item
pd = float(input("Pound: "+str(i+1)+": "))
If price and pound are not 0
if pr != 0 and pd != 0:
The inputs are appended to their respective lists
prices.append(pr)
pounds.append(pd)
If otherwise, the loop is exited
else:
break
This initializes total to 0
amount = 0
This iterates through all inputs
for i in range(len(pounds)):
This multiplies each pound and each price and sum them up
amount+= (pounds[i]*prices[i])
The total is then printed
print("Amount: $",amount)
Question 4
What methods do phishing and spoofing scammers use? List and explain methods to protect
against phishing and spoofing scams. (10 marks
Answer:
The answer is below
Explanation:
There are various methods of phishing and spoofing scammers use, some of which are:
Phishing:
1. Descriptive phishing: here the scammer use fake email to pretend to be a genuine company and steal people's vital details
2. Spear Phishing: here the scammer creates an email that appears there is a connection on the potential victim
3. CEO Fraud: here the scammer target CEO of a company, thereby if successful can fraudulently attack the company due to his access.
Other phishing attacks are vishing, smishing, and pharming, etc.
Spoofing:
1. Email spoofing: here the attacker sends an email through a fake email address to get personal details of a potential victim
2. Caller ID Spoofing: here the attacker makes it appear that he is one specific person, but he is not in the real sense.
3. GPS Spoofing: here the attacker makes it appear he is in a specific location, whereas, he is not.
Others include website spoofing, text message spoofing, Io spoofing etc.
Q.No.3 b. (Marks 3)
Explain why change is inevitable in complex systems and give examples (apart from prototyping and incremental delivery) of software process activities that help predict changes and make the software being developed more resilient to change.
Answer:
The change in complex systems can be explained according to the relationship of the environment where the system is implemented.
The system environment is dynamic, which consequently leads to adaptation to the system, which generates new requirements inherent to changes in business objectives and policies. Therefore, changing systems is necessary for tuning and usefulness so that the system correctly supports business requirements.
An example is the registration of the justification of the requirements, which is a process activity that supports changes in the system so that the reason for including a requirement is understood, which helps in future changes
Explanation:
determine the correct usage for styles and themes by placing each characteristic under the correct category
Answer:
Styles create bulletin lists and are found in the format tex tab change indentation
Themes change page colors, create message borders, are found under options tab
list out and discuss the characteristics of big data
Answer:
Volume: Volume refers to the sheer size of the ever-exploding data of the computing world. It raises the question about the quantity of data.
Velocity: Velocity refers to the processing speed. It raises the question of at what speed the data is processed.
Variety: Variety refers to the types of data.
Explanation:
Describe how operating system use the following security tools: firewall, automatic updating, antivirus software, spyware and malware detection software
Answer:There are several software products and settings you can make that will help alert you to or protect you from certain kinds of technology attacks such as malware, viruses, and so on. Use these programs and keep them up to date so they can defend you against the latest threats.
Explanation:
8.9 Lesson Practice edhesive
Answer:
1. search
2. False
3. Our algorithm did not find the element we were looking for.
Explanation:
Declare a 4 x 5 array called N.
Using for loops, build a 2D array that is 4 x 5. The array should have the following values in each row and column as shown in the output below:
1 2 3 4 5
1 2 3 4 5
1 2 3 4 5
1 2 3 4 5
Write a subprogram called printlt to print the values in N. This subprogram should take one parameter, an array, and print the values in the format shown in the output above.
Call the subprogram to print the current values in the array (pass the array N in the function call).
Use another set of for loops to replace the current values in array N so that they reflect the new output below. Call the subprogram again to print the current values in the array, again passing the array in the function call.
1 1 1 1 1
2 2 2 2 2
3 3 3 3 3
4 4 4 4 4
I really need help with this thanks. (In Python)
Answer:
N = [1,1,1,1,1],
[2,2,2,2,2],
[3,3,3,3,3],
[4,4,4,4,4]
def printIt(ar):
for row in range(len(ar)):
for col in range(len(ar[0])):
print(ar[row][col], end=" ")
print("")
N=[]
for r in range(4):
N.append([])
for r in range(len(N)):
value=1
for c in range(5):
N[r].append(value)
value=value + 1
printIt(N)
print("")
newValue=1
for r in range (len(N)):
for c in range(len(N[0])):
N[r][c] = newValue
newValue = newValue + 1
printIt(N)
Explanation:
:D
Below is the required program of Python.
PythonProgram:
# Array name will be "N".
# Start program
# Defining a function and taking input array
def printIt(ar):
# Using for loop to scan the rows as well as columns of array
for row in range(len(ar)):
for col in range(len(ar[0])):
# Printing the element of array
print(ar[row][col], end=" ")
print("")
# Passing the array N
N=[]
# Again using the loop
for r in range(4):
N.append([])
# Loop to control rows
for r in range(len(N)):
value=1
# Loop to control columns
for c in range(5):
N[r].append(value)
value=value + 1
# Calling the function
printIt(N)
print("")
newValue=1
# Value in row and column
for r in range (len(N)):
for c in range(len(N[0])):
# Assigning the values to the array
N[r][c] = newValue
newValue = newValue + 1
# Printing the array
# End program
printIt(N)
Program code:
Start a program.Defining a function and taking input arrayUsing for loop to scan the rows as well as columns of arrayPrinting the element of arrayAgain using the loop to control rows and columns.Assigning the values to the arrayEnd program.Output:
Find below the attachment of the output of the program code.
Find out more information about Python here:
https://brainly.com/question/26497128
Which of the following is a form of media?Check all that apply.
A. a brochure distributed to many people
B. a diary
C. an email to a friend
D. a blog
Answer:
A. a brochure distributed to many people.
D. a blog.
Explanation:
Communication can be defined as a process which typically involves the transfer of information from one person (sender) to another (recipient), through the use of semiotics, symbols and signs that are mutually understood by both parties.
Generally, the linear model of communication comprises of four (4) main components and these are;
1. Sender (S): this is typically the source of information (message) or the originator of a message that is being sent to a receiver. Thus, they are simply the producer of a message.
2. Channel (C): this is the medium used by the sender for the dissemination or transmission of the message to the recipient. For example, telephone, television, radio, newspapers, billboards etc.
3. Message (M): this is the information or data that is being sent to a recipient by a sender. It could be in the form of a video, audio, text message etc.
4. Receiver (R): this is typically the destination of information (message) or the recipient of a message that is being sent from a sender.
Hence, the following are forms of media (communication channel);
I. A brochure distributed to many people. It comprises of printed textual informations used mainly for promotional purposes.
II. A blog. It is an online website that contains both textual and multimedia messages, especially as a news platform.
State
any three (3) reasons why users attach speakers to their computer?
Answer:
To complete the computer setup, to hear audio, to share audio.
Explanation:
A computer is not really complete without speakers.
So that you can actually hear the computer's audio.
So that you can have multiple people hear the same audio. (Headphones do not do this)
The phone in your hand is a computer. So too is the machine that occupies a 100,000 square foot data center. Given their vast differences in size, how can they both be computers?
Answer:
Well when you think about it they both do the same thing but they are diffirent, they have the same perpose but diffirent parts in them so, when you compair them the phone is smaller and slower, the bigger the computer the better it is depending on the amount of money spent on parts.
places where computer are used
Answer:
Banks and financial.
Business.
Communication.
Defense and military.
Education.
Internet.
Medical.
Transportation.
etc..
Answer:
businesses, schools, colleges, medical offices, banks.
According to O*NET, what is the most common level of education earned by Secondary School Special Education Teachers?
master’s degree
bachelor’s degree <------- THE ANSWER
some college, no degree
associate degree
POSTED TO HELP OTHERS
Answer:
bachelor’s degree
Explanation:
Answer:
B bachelors degree
Explanation:
The five types of personal computers are: desktops, laptops, tablets, smartphones, and
Answer:
microcomputers
Explanation:
why do we need to settle technology in business?
Answer:
Technology has important effects on business operations. No matter the size of your enterprise, technology has both tangible and intangible benefits that will help you make money and produce the results your customers demand. Technological infrastructure affects the culture, efficiency and relationships of a business.
Write a program that will filter a list of non-negative integers such that all duplicate values are removed. Integer values will come from standard input (the keyboard) and will range in value from 0 up to 2,000,000,000. Input will be terminated by the special value, -1. Once the input is read in you should output (to the screen) the list of numbers as a sorted list (smallest to largest) with one value listed per line where all duplicates have been removed. The primary difficulty with this program is that there are an enormous number of input values and an expected large number of duplicate numbers.
Answer:
The program in python is as follows:
original = []
inp = int(input(": "))
while inp>=0:
if inp<=2000000000:
original.append(inp)
inp = int(input(": "))
newlist = []
for i in original:
if i not in newlist:
newlist.append(i)
newlist.sort()
for i in newlist:
print(i)
Explanation:
This initializes the original list
original = []
This gets input for the list
inp = int(input(": "))
The following loop is repeated while input is not negative
while inp>=0:
This ensures that only inputs from 0 and 2000000000 enters the list
if inp<=2000000000:
original.append(inp)
Prompt the user for another input
inp = int(input(": "))
This initializes a newlist
newlist = []
Iterates through the original list
for i in original:
Check for duplicate
if i not in newlist:
Each number is entered to the new list, without duplicate
newlist.append(i)
This sorts the new list in ascending order
newlist.sort()
This prints the list item one per line
for i in newlist:
print(i)
The order of slides can be changed here.
What menu and grouping commands is the "SORT" tool? ( please answering meeeee)
A)Home - editing
B) Edit - format
C )Page layout - sheet options
D) File - edit
I want to know the basic of Excel
Answer:
Use Pivot Tables to recognize and make sense of data.
Add more than one row or column.
Use filters to simplify your data.
Remove duplicate data points or sets.
Transpose rows into columns.
Split up text information between columns.
Use these formulas for simple calculations.
Get the average of numbers in your cells.
This is gonna be very long but I have no idea what to do, I'm confused.
Course Project Part 4: Conducting the Experiment and Recording Data
After much preparation, you are finally ready to begin conducting your experiment. Due to all the hard work you put into your literature review and planning your procedures, the steps that you need to take to conduct your experiment successfully have already been set. While you conduct your experiment, you will need to keep a daily journal where you record the activities you undertake that are relevant to the experiment and also where you record any data that you collect. This is your experiment log and serves as a record of your work while also allowing you to make a record of any changes or modifications you may need to make during the experiment.
Conducting the Experiment and Keeping an Experiment Journal
Following the procedure that you established in the previous part of this project, set up your experiment and begin running it. Every day while your experiment is running you will make an entry in your journal. Record what activities you completed (refer to your outlined procedure to make sure you are following the procedure that you established), any modifications that had to be made to your set up or procedure, and any observations or data you collect. Even on days when you do not collect data (depending on your experiment, there may not be data collection every day), make an entry in your journal. Each journal entry should be clearly labeled with the date on which it was entered. You do not need to type up all your entries, but make sure that your journal entries are neatly written, as they will be evaluated by your instructor.
Depending on the topic and design of your experiment, the period of time during which you conduct and record your experiment may range from one to several weeks. In consultation with your instructor, you will establish a timeline for the evaluation of your journal. If you are running a shorter experiment, your journal may be evaluated several times over the course of one or two weeks. If your experiment takes longer to complete, you may have a weekly review over the course of a month. Follow the guidelines provided by your instructor.
Collecting Data
All experiments generate data. This data allows the scientist to evaluate the success of the experiment and make interpretations about the results generated by the investigation. When you record your data, you must collect it as consistently as possible. Returning to the plant experiment, it would be best to measure the plants on a set schedule. For example, you might choose to measure the plants every Thursday at 3 pm. It is important to measure the plants at the same time each week so that the difference in growth you might observe is a reflection of the experimental condition, not simply longer growing time. Additionally, it is important to use the same instruments to collect data. The plants should be measured with the same ruler or measuring tape each time. This helps reduce any error or bias that might be introduced by using different instruments to make measurements. Whatever measurements or data you collect, do so in a consistent manner. Use the same instruments, the same scales, and record the data in a standardized manner. It is also a good idea to record your experiment using photographs. This will help you later during analysis and provides information for others who might be interested in recreating your experiment. Record your data in your experiment journal, where it will be reviewed by your teacher on an on-going basis. Submit your journal to your instructor according to the schedule you have established together.
Someone answered before but gave a link and I don't trust it
for such experiment, you do it with care and to acquire and determine to put experience in it
Explanation:
because without you been or using experience the experiment will not correct
Which of the following is probably not a place where it is legal to download the music of a popular artist whose CDs are sold in stores?
Answer:
A. Personal blogs
Explanation:
I did the quick check, and there you go...it's A.
The difference between a dot matrix printer and a line printer
Answer:
please give me brain list and follow
Explanation:
Difference Between Dot Matrix and Line Printer is that Dot-matrix printer produce printed images, they produce image when tine wire pins on a print head mechanism strike an inked ribbon. While Line printer is a type of impact printer which is high-speed and printer an entire line at a time.
Answer:
Difference between Dot Matrix and Line printer is that Dot Matrix printer produce printed images, they produce image when tine wire pins on a print head mechanism strike an inked ribbon. While Line printer ia a type of impact printer which is high speed and printer an entire Line at a time.
Why are microcomputers installed with TCP/IP protocols?
Answer:
microcomputers are installed with TCP/IP protocols because its a set of standardized rule that allows the computer to communicate on a network such as the internet
Explanation:
The city of Green Acres is holding an election for mayor. City officials have decided to automate the process of tabulating election returns and have hired your company to develop a piece of software to monitor this process. The city is divided into five precincts. On election day, voters go to their assigned precinct and cast their ballots. All votes cast in a precinct are stored in a data file that is transmitted to a central location for tabulation.
Required:
Develop a program to count the incoming votes at election central.
Answer:
Explanation:
The following program asks the user to enter the precinct number and then loops to add votes until no more votes need to be added. Then it breaks the loop and creates a file called results to save all of the results for that precinct.
precinct = input("Enter Precinct Number: ")
option1 = 0
option2 = 0
while True:
choice = input("Enter your vote 1 or 2: ")
if int(choice) == 1:
option1 += 1
else:
option2 += 1
endVote = input("Vote again y/n")
if endVote.lower() != 'y':
break
f = open("results.txt", "w")
f.write("Precinct " + precinct + ": \nOption 1: " + str(option1) + "\nOption 2: " + str(option2))
What methods do phishing and spoofing scammers use?
Answer:
please give me brainlist and follow
Explanation:
There are various phishing techniques used by attackers:
Installing a Trojan via a malicious email attachment or ad which will allow the intruder to exploit loopholes and obtain sensitive information. Spoofing the sender address in an email to appear as a reputable source and request sensitive information
which software manages the functioning of the entire computer system
To understand, read, and give meaning to data in
tables and charts is to perform which of the
following?
A interpretation
B analysis
C assessment
D data collection
Answer:
teh answer is b
Explanation:
which of the
following?
A interpretation
B analysis
C assessment
D data collection
Answer:
interpretation
Explanation:
1
PLS HELP SO I CAN PASS WILL GIVE BRAINLINESS AND 30 POINTS
Charlie Chaplin is know for developing
a
The Dramedy
b
Early Special Effects
c
Slap-Stick
d
The Prat-Fall
Question 2 (1 point)
Chaplin felt it was important for the audience to
a
turn off their cellphones during the movie.
b
believe the stunts were real by doing them himself.
c
escape from their problems by avoiding difficult topics.
d
have an emotional connection with the characters.
Question 3 (3 points)
Match the silent film with its modern influence
Column A
1.
Metropolis:
Metropolis
2.
The Kid:
The Kid
3.
Nosferatu:
Nosferatu
Column B
a.Freddy Kruger
b.The Simpsons
c.Sharknado
d.Star Wars
Question 4 (1 point)
How did Nosferatu change the Vampire cannon (story)?
a
Vampires are friendly
b
Vampires can be killed by sunlight
c
Vampires can become invisible
d
Vampires can be repelled by garlic
Question 5 (1 point)
Metropolis was the first film to
a
have religious undertones.
b
use special effects.
c
have humanoid robots.
d
use Gothic Imagery.
movies being the kid , nosferatu , and metropolis
Answer:
a
have religious undertones.
b
use special effects.
c
have humanoid robots.
d
use Gothic Imagery.
Explanation:
Four reasons why users attach speakers to their computer