Which of the following statements is a possible explanation for why open source software (OSS) is free? A. OSS makes money by charging certain large corporations for licenses. B. OSS is typically lower quality than proprietary software. C. The OSS movement wants to encourage anyone to make improvements to the software and learn from its code. D. The OSS movement is funded by a private donor so it does not need to charge for its software licenses.

Answer:

class MarksException extends Exception {

   public MarksException(String message) {

       super(message);

   }

}

public class Main {

   public static void main(String[] args) {

       try {

           checkMarks(35, 80);

       } catch (MarksException e) {

           System.out.println(e.getMessage());

       }

   }

   public static void checkMarks(int internal, int external) throws MarksException {

       if (internal > 30) {

           throw new MarksException("Internal mark exceeded");

       }

       if (external > 70) {

           throw new MarksException("External mark exceeded");

       }

   }

}

Explanation:

To derive the state table and state diagram of the sequential circuit, we first need to determine the possible states of the flip-flop Q, and the next states based on the input values X and Y and the current state of Q.

The state table for the sequential circuit would look like this:

Q(t) X Y Q(t+1) S

0 0 0 0 0

0 0 1 1 1

0 1 0 1 1

0 1 1 0 0

1 0 0 1 1

1 0 1 0 0

1 1 0 0 0

1 1 1 1 1

The state diagram for the sequential circuit would look like this:

 S=0                                                                 S=1

   ------------                                                      ------------

  | 0 |   | 1 |                                                    | 1 |   | 0 |

   ------------                                                      ------------

  |   |   |   |                                                    |   |   |   |

   ------------                                                      ------------

  |   |   |   |                                                    |   |   |   |

   ------------                                                      ------------

  |   |   |   |                                                    |   |   |   |

A flip-flop is a circuit that is used to store binary data in digital electronic systems. It is a type of latch circuit that is used as a memory element in digital logic circuits. Flip-flops can be either positive edge-triggered or negative edge-triggered, and can be either level-sensitive or edge-sensitive. The most common types of flip-flops are SR flip-flops, JK flip-flops and D flip-flops.

In this case, Q is a flip-flop that is used as a memory element in the sequential circuit. It stores the current state of the circuit and is used in the logic implementation of the circuit's function. The output of this flip-flop is used as an input to the next state of the circuit, and it's also the output of the circuit.

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Answer:



I've attached the picture below, hope that helps...

Answer:

def num_of_paths(maze):

   # Initialize the table with zeros

   n = len(maze)

   m = len(maze[0])

   table = [[0 for j in range(m)] for i in range(n)]

   # Fill in the first row

   for j in range(m):

       if maze[0][j] == 0:

           break

       table[0][j] = 1

   # Fill in the first column

   for i in range(n):

       if maze[i][0] == 0:

           break

       table[i][0] = 1

   # Fill in the rest of the table using dynamic programming

   for i in range(1, n):

       for j in range(1, m):

           if maze[i][j] == 0:

               table[i][j] = 0

           else:

               table[i][j] = table[i - 1][j] + table[i][j - 1]

   # Return the value in the bottom right corner of the table

   return table[n - 1][m - 1]

maze1 = ((1, 1, 1, 1, 1, 1, 1, 1, 0, 1),

(1, 0, 0, 1, 1, 1, 0, 0, 1, 1),

(0, 1, 1, 1, 0, 0, 1, 1, 1, 0),

(1, 1, 0, 1, 1, 1, 1, 0, 1, 1),

(0, 1, 0, 1, 0, 0, 1, 0, 1, 0),

(1, 0, 1, 1, 1, 1, 0, 1, 1, 1),

(1, 1, 0, 1, 0, 1, 0, 0, 1, 1),

(0, 1, 1, 1, 1, 1, 1, 1, 1, 0),

(1, 0, 1, 0, 0, 1, 1, 0, 1, 1),

(1, 0, 1, 1, 1, 0, 1, 0, 1, 0),

(1, 1, 0, 1, 0, 1, 0, 1, 1, 1))

maze2 = ((1, 1, 1, 1, 1, 1, 1, 1, 1),

(1, 1, 1, 1, 1, 1, 1, 1, 1),

(1, 1, 1, 1, 1, 1, 1, 1, 1),

(1, 1, 1, 1, 1, 1, 1, 1, 1),

(1, 1, 1, 1, 1, 1, 1, 1, 1),

(1, 1, 1, 1, 1, 1, 1, 1, 1),

(1, 1, 1, 1, 1, 1, 1, 1, 1))

maze3 = ((1, 0, 1, 1),

(1, 0, 1, 1),

(1, 0, 1, 1),

(1, 0, 1, 1),

(1, 0, 1, 0),

(1, 0, 0, 1))

print(num_of_paths(maze1))

print(num_of_paths(maze2))

print(num_of_paths(maze3))

Answer:

DVD-R is a good choice for long-term archiving because the stored data do not degrade over time. This is due to its write-once, read-many nature, which makes it less likely to degrade compared to magnetic tape, HDDs or solid-state drives (SSDs).

Explanation:

The  program that will calculate the internal angle of an n-sided polygon from a triangle upto a dodecagon is given below

import random

def internal_angle(n):

   angle = 360 / n

   return angle

n = random.randint(3, 12)

print("Random number chosen:", n)

angle = internal_angle(n)

print("Internal angle of a", n, "-sided polygon:", angle, "degrees")

The program uses the formula for calculating the internal angle of a polygon, which is 360° divided by the number of sides (n). It also generates a random number between 3 and 12 to represent the number of sides of the polygon, and uses this value to calculate the internal angle.

The program starts by importing the random library, which is used to generate a random number. Then, it defines a function called "internal_angle" that takes one parameter, "n", which represents the number of sides of the polygon.

Inside the function, the internal angle of the polygon is calculated by dividing 360 by n and storing the result in the variable "angle". The function then returns this value.

Therefore, It's important to note that the internal angle of a polygon would be correct as long as the number of sides is greater than 2.

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Although CompuServe did post libellous content on its forums, the court determined that CompuServe was just a distributor of the content and not its publisher. As a distributor, CompuServe could only be held accountable for defamation if it had actual knowledge of the content's offensive character.

As the first significant commercial online service provider and "the oldest of the Big Three information services," CompuServe was an American company. It dominated the industry in the 1980s and continued to exert significant impact into the mid-1990s.

CompuServe serves a crucial function as a member of the AOL Web Properties group by offering Internet connections to budget-conscious customers looking for both a dependable connection to the Internet and all the features and capabilities of an online service.

Thus,  CompuServe could only be held accountable for defamation if it had actual knowledge of the content's offensive character.

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Answer:

constants are numbers and text that do not change unless manually altered.

Answer: c

Explanation:

Microsoft has the highest number of operating system versions on the market, including Windows 11, Windows 10, Windows 8, Windows 7, Windows Vista, Windows XP, Windows 2000, Windows NT, Windows ME, Windows 98, Windows 95, Windows 3.1, Windows 3.0, Windows 2.0, and Windows 1.0.

Here is a Python program that asks the user to input three integers and then outputs the minimum and maximum number:

Answer:

To convert the binary values to decimal, you can use the following steps:

Start with the rightmost digit and assign it the value of 0.

For each subsequent digit moving from right to left, double the value of the previous digit and add the current digit.

For example, to convert the first binary value, 11111101, to decimal:

10 + 02 + 04 + 08 + 016 + 132 + 164 + 1128 = 253

So the first binary value, 11111101, corresponds to the decimal value 253.

Using this method, you can convert the other binary values to decimal as well. To find out what colours these values correspond to, you can use the Colour names' handout or look up the RGB values online.

To determine which European country this flag belongs to, you can try looking up the colours and seeing if they match any known flags. Alternatively, you could try searching for flags of European countries and see if any of them match the colours you have identified.

A goal is a desired outcome, but an objective is a targeted action that may be completed quickly and is frequently tied to a goal.

Objectives are specified in terms of measurable, tangible targets, whereas goals can be immaterial and unmeasurable. For instance, while "offering great customer service" is an intangible goal, "reducing the client wait time to one minute" is a tangible goal that contributes to the achievement of the primary goal.

Learning In contrast to aims, which convey a broad declaration of intent, objectives are specific, distinct intentions of student performance. Goals cannot be measured or seen; however, objectives can.

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Answer:

To design a simple network for Maendeleo Institute of Technology with 240 employees, we could use a combination of routers, switches, and hubs.

Our network would consist of five separate networks, one for each department at the institute. We would use class C IP addresses, with a subnet mask of /24, to create the following subnets:

Computer Science department: 192.168.10.0/24

Information Technology department: 192.168.11.0/24

Account department: 192.168.12.0/24

Human Resource department: 192.168.13.0/24

Marketing department: 192.168.14.0/24

Each department would be connected to the network via a switch, which would allow for communication within the department and with other departments as needed. A router would be used to connect the individual department networks to the wider internet, and would also serve as a firewall to protect the network from external threats.

We would also include a hub in the network to allow for communication between devices within a department, as well as to provide additional connectivity and scalability.

Overall, our network design would provide each department with its own separate network, with the ability to communicate with other departments as needed. It would also be scalable, allowing for the addition of new devices and departments as the institute grows. The use of class C IP addresses and a /24 subnet mask would ensure that IP addresses do not overlap, ensuring efficient and reliable communication within the network.

Senior executives typically invite network members to participate in the planning and implementation of the change process at the first meeting. There is a matter of minutes, and Meetings are scheduled frequently.

Fantastic lines of communication between management and employees. a feeling of belonging within the crew. allowing workers the freedom to develop their skills. a tradition of ongoing development.

Ask your staff to present their ideas if you want to encourage creativity and innovation. You might also develop a procedure to submit them. Request that each employee presents an idea within a set deadline, and offer incentives to encourage discussion.

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Answer:Mac OS if there is a apple logo

With the given code, The code outputs 24.

On the first iteration, c is 1 and sum is 0, so c is incremented to 3 and sum is incremented to 3.

On the second iteration, c is 3 and sum is 3, so c is incremented to 5 and sum is incremented to 8.

On the third iteration, c is 5 and sum is 8, so c is incremented to 7 and sum is incremented to 15.

On the fourth iteration, c is 7 and sum is 15, so c is incremented to 9 and sum is incremented to 24.

At this point, c is no longer less than 10, so the while loop exits and the final value of sum is printed, which is 24.

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Answer:

The degree of a table refers to the number of attributes (columns) it has. In the case you described, after the 3 new attributes are added, the degree of the table would be 7 + 3 = 10.

The cardinality of a table refers to the number of rows (tuples) it has. In the case you described, after 2 tuples are deleted, the cardinality of the table would be 5 - 2 = 3. After 5 new students are added, the cardinality would increase to 3 + 5 = 8.

D) by preventing access by more than one person at a time

Networks use authentication and authorization to control access to data. They require that a person entering the network has valid credentials, such as a username and password, before they can access any data on the network. Once the credentials have been provided and verified, the user is typically given limited access to the data that is based on authorization rules set up within the network. This helps ensure that data is securely accessed by only those users that need to access it, preventing unauthorized access by multiple persons at once.

Answer:

Disk Operating System

Explanation:

Involving or based on a hypothesis: conjectural; involving or based on a postulated concept or theory. speculative arguments a fictitious circumstance.

The words or abbreviations "for instance," "for example," "i.e." or "e.g." are frequently used after a hypothetical example, albeit the latter two, as you are probably aware, will only come after a comma and won't initiate a new sentence like "for instance" or "for example." Use hypothetical examples with caution.

The human whose existence is implied by other data rather than directly attested. theoretical individual hypothetical (adj.) is a 1580s term that means "based on or defined by a hypothesis, conjectural," from the Latinized form of the Greek word hypothesis, which means "pertaining to a hypothesis."

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Answer:

I know it

Explanation:

I will tell later

Answer:

Explanation:

The biggest question now is how do we attract more women into the computer science field. Women need more encouragement, especially from teachers of both sexes and fellow students. Mentoring is a definite means to attract and keep women more interested in the field. Even just the support of other females present in a classroom setting can help boost the confidence in each other. Multiple studies have shown that the lack of women in computer science is very likely to start before college (Cohoon). They need this encouragement not only while taking college courses but also early on in their education. Females tend to be just as interested in science as men when they are young but their teachers and schools, who would have the most influence on them, aren’t doing their job in nurturing and identifying these women (Gurian). A possible solution to improving their confidence would be to have more mentors who can help attract and keep women interested in the field. The shortage of women in the computer science field has made it more difficult to have women in high positions. This makes it important for women who are in high positions to be mentors to all women interested. According to Joanne Cohoon a professor at the University of Virginia “CS departments generally retained women at comparable rates to men when the faculty included at least one woman; was mentored, and supervised female students; enjoyed teaching; and shared responsibility for success with their students”. It is also found that departments with no female faculty lost female students at high rates relative to men (Cohoon). Seeing other women in computer science can definitely raise confidence in women to continue or begin studying the subject. “In a new survey, 40 percent of women in the STEM fields… report that they were discouraged from their career choices, typically in college and often by their professors” (Downey). This data shows how we need more mentors willing to support women and that we are lacking teachers to help inspire young women into entering the field.

Since the beginning of computing most software and programs have been male-oriented. Video games were originally targeted at males with sport and violent themes with mostly male lead characters and limiting female roles like women who need to be rescued (Lynn). Early experiences with computers are important in shaping someone’s willingness to explore technology. “Playing with computer, console, and arcade games and educational ware can provide an introduction to computer literacy, creating familiarity and building confidence in skills” (Lynn, 145). Because computer science is so dominated by men, the software tends to be more male- friendly. To make software more appealing to girls, it should have low frustration levels, be challenging and be interactive (Lynn). By having more women in the field, women can create much more women-friendly software. Girls tend to prefer games where they can make things, rather than destroy them(Lynn). Recently more and more games have been produced that are more girl-friendly, like simulation games. The Sims is a video game where you create humans, animals and homes and has proved to be a big success with a female audience. A strategy to get more women to break outside the stereotype of women being less competitive than men would be to take games designed for boys and demand comparable female characters to empower them to be more competitive and assertive. Video games often become involved with computing as a byproduct of wanting to master gaming (Lynn).

Many boys tend to have more experience with computers at a younger age because of video games, when boys and girls are put together in a class to learn about computers the boys are already at a higher level, which is not encouraging to the women beginning at a lower level in the same class. Making more computer classes mandatory both in high school and at the college level will not only help women because of the increasing number of other female peers, but it can spark interest in women early on, helping teachers to identify students with aptitude.

Answer:

It looks like there are a few issues with your program.

First, the line hours += numHours should be hours += 1. This is because you want to increment the hours variable by 1 each time through the loop, not by the number of hours required to achieve the growth rate.

Second, you are only multiplying the population by the growth rate once per iteration of the loop, but you should be doing it every time hours is less than or equal to totalHours. You can fix this by moving the population *= growth line inside the loop's if statement, like this:

while numHours < totalHours:

   if hours <= totalHours:

       population *= growth

   hours += 1

   if hours >= totalHours:

       break

Finally, you are using the variable numHours in your while loop condition, but it should be hours. You should change while numHours < totalHours: to while hours < totalHours:.

With these changes, your program should work correctly for the test case you provided. Here is the modified version of your program:

organisms=int(input("Enter the initial number of organisms:"))

growth=float(input("Enter the rate of growth [a real number > 1]:"))

numHours=int(input("Enter the number of hours to achieve the rate of growth:"))

totalHours=int(input("Enter the total hours of growth:"))

population = organisms

Coding is difficult but I don't have a chatbot

Answer:

import random

# Introduction

print("Welcome to the fashion chatbot! I'm here to help you with your fashion preferences.")

# Ask for user's first name

print("What is your first name?")

name = input()

# Ask for user's shoe preference

print("What shoes do you like?")

shoe_preference = input()

# Use if-elif-else statement to respond to user's shoe preference

if shoe_preference == "Converse":

 print("Nice, casual is always in!")

elif shoe_preference == "Boots":

 print("Cool, boots are a versatile choice.")

else:

 print("Great choice!")

# Ask for user's age

print("How old are you?")

age = input()

# Use if-elif-else statement to respond to user's age

if int(age) < 18:

 print("It's a great time to start exploring your style!")

elif int(age) < 25:

 print("You're at a fun age to experiment with your fashion choices.")

else:

 print("It's always a good time to try out new fashion styles!")

# Use a randomly generated number to randomly respond

random_number = random.randint(1, 3)

if random_number == 1:

 print("I think I might know your style.")

elif random_number == 2:

 print("You have a unique sense of style.")

else:

 print("You have great fashion taste.")

# Ask for user's favorite top

print("So, " + name + ", what is your favorite top?")

top_preference = input()

# Use if-elif-else statement to respond to user's top preference

if top_preference == "Graphic Tees":

 print("That's a good choice.")

elif top_preference == "Button-up shirts":

 print("Classy and sophisticated.")

else:

 print("Great choice!")

# Use a randomly generated number to randomly respond

random_number = random.randint(1, 3)

if random_number == 1:

 print("Ay that's lit.")

elif random_number == 2:

 print("wow, so stylish!")

else:

 print("That's in right now.")

# Ask for user's bottom preference

print("I like where this is going.")

print("What about your choice of bottom?")

bottom_preference = input()

# Use if-elif-else statement to respond to user's bottom preference

if bottom_preference == "Jeans":

 print("Jeans are a classic choice.")

elif bottom_preference == "Cargo pants":

 print("You can't go wrong with those.")

else:

 print("Great choice!")

# Ask for user's head accessory preference

print("What about your head accessory?")

head_accessory_preference = input()

# Use if-elif-else statement to respond to user's head accessory preference

if head_accessory_preference == "Beanies":

   print("Beanies are fun!")

elif head_accessory_preference == "Baseball hats":

   print("Baseball hats are a popular choice.")

else:

   print("Unique choice!")

# End conversation

print("Well, " + name + ", it was awesome getting to know your style.")

Answer:

Your answer to this will be D) Use the same password for every account.

Explanation:

This is the only option you should not do. If someone gets access or hacks into one of your accounts, and all accounts to anything are the same password they will have all of your accounts.

Answer:

Here is some pseudocode that outlines the steps for creating a program that calculates overall final marks and outputs the necessary grades for a desired overall mark:

DEFINE a function called "calculate_final_mark"

INPUT: grades (list), weights (list), desired_mark (float)

CREATE a variable called "overall_mark" and set it to 0

FOR each grade and weight in the grades and weights lists:

 MULTIPLY the grade by the weight

 ADD the result to the overall_mark

IF overall_mark equals the desired_mark:

 OUTPUT "You have already achieved the desired mark."

ELSE:

 CREATE a variable called "needed_mark" and set it equal to the desired_mark minus the overall_mark

 OUTPUT "You need a" needed_mark "on your next assessment to achieve a" desired_mark "overall mark."

END the function

Here is the equivalent code in Python:

def calculate_final_mark(grades, weights, desired_mark):

 overall_mark = 0

 for grade, weight in zip(grades, weights):

   overall_mark += grade * weight

 if overall_mark == desired_mark:

   print("You have already achieved the desired mark.")

 else:

   needed_mark = desired_mark - overall_mark

   print(f"You need a {needed_mark} on your next assessment to achieve a {desired_mark} overall mark.")

Answer:

LAN

MAN

WAN

Explanation:

A LAN (Local Area Network) typically covers a small geographic area, such as a single building or campus. A MAN (Metropolitan Area Network) covers a larger geographic area, such as a city or metropolitan region. A WAN (Wide Area Network) covers the largest geographic area, such as a country or the entire world.

Answer:

[A] This system can be ported to more computer platforms than any of its counterparts. - [2] Linux Operating System

[B] The operating system functions require many system resources. - [1] Microsoft Windows Operating System

[C] The operating system works only with specific hardware. - [3] Apple Operating System