Suppose that the following elements are added in the specified order to an empty binary search tree: Kirk, Spock, Scotty, McCoy, Chekov, Uhuru, Sulu, Khaaaan! Write the elements of the tree above in the order they would be seen by a pre-order, in-order, and post-order traversal. Type your solutions with the elements separated by spaces and/or commas, such as:

Answer:

1. Left hand picks up card on position 1

2. Assume position 2 as the "working position"

3. Free hand picks up card on working position.

4. Compare two cards, put back the largest card on working position.

5. Increase working position by 1.

6. Go to step 3 if there is a card at the new working position.

7. Smallest card is in your hand.

Answer:

The term Stored Program Control Concept refers to the storage of instructions in computer memory to enable it to perform a variety of tasks in sequence or intermittently.

Answer:

8.22 × 10²⁰ years

Explanation:

Given that:

Total frequency = 100 million per record

The length of the key used for the encryption = 112 bit key

To calculate the number of seconds in  a year, we have:

= 365 × 24 × 60 × 60

= 3.1536 × 10⁷ seconds

Thus, on average, the number of possible keys that is required to check for the decryption should be at least  2¹¹¹ keys.

[tex]\mathbf{ = \dfrac{2^{111} \times 10^6}{3.1536 \times 10^7} = 8.22 \times 10^{20} \ years}[/tex]

Thus, it will take a total time of about 8.22 × 10²⁰ years on average.

Answer:

A. increase the pace of research in finding and producing vaccines.

Explanation:

These are the options for the question;

A. increase the pace of research in finding and producing vaccines.

B. analyze computer systems to gather potential legal evidence.

C. market new types of products to a wider audience.

D. create more intricate screenplays and movie scripts.

Modeling software can be regarded as computer program developed in order to build simulations as well as other models. modelling software is device by international researchers to make research about different vaccines and other drugs and stimulants to combat different diseases. It helps the researcher to devoid of details that are not necessary and to deal with any complexity so that solution can be developed. It should be noted that Sophisticated modeling software is helping international researchers to increase the pace of research in finding and producing vaccines.

Answer:

B

Explanation:

I am not for sure

PRE: True POST: is Sorted(a) An > 1 C) PRE : n > 1A is Sorted (a). 10 sxs a[n-1] POST: result == x E a vissorted (a).

Computer programming is defined as the process of carrying out a specific computation, typically through creating an executable computer program. Computer programmers create code and scripts, modify them, and test them to make sure that software and applications function as intended. They convert the blueprints made by engineers and software developers into computer-readable instructions.

The algorithm determines whether the key the number you're looking for and the array's middle value are equal. If so, the key is in the middle and the search is complete. The program then determines if the key is larger or less than the middle value if it isn't.

Thus, PRE: True POST: is Sorted(a) An > 1 C) PRE : n > 1A is Sorted (a). 10 sxs a[n-1] POST: result == x E a vissorted (a).

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Answer:

decrease x property,It would go left

decrease y property, it would go down

yes

Explanation:

Answer:

Answered below

Explanation:

Pseudocode is a language that program designers use to write the logic of the program or algorithms, which can later be implemented using any programming language of choice. It helps programmers focus on the logic of the program and not syntax.

Flowcharts are used to represent the flow of an algorithm, diagrammatically. It shows the sequence and steps an algorithm takes.

Hierarchy charts give a bird-eye view of the components of a program, from its modules, to classes to methods etc.

Explanation:

From a network security standpoint, since we are told that Trudy "positions herself in the network so that she can capture all the packets sent", it, therefore implies that the communication between Alice and Bob is vulnerable to modification and deletion.

Answer:

3 and 60!

Explanation:

Answer:

A modem modulates and demodulates electrical signals sent through phone lines, coaxial cables, or other types of wiring.

Answer:

The answer is "option b and option d"

Explanation:

In this question, both choice "b and c" is correct because Java is compiled and run on a JVM  and it uses the byte code. On the other hand, PHP has interpreted language, that compiled into the bytecode after that the output engine interpreted. Similarly, the COBOL is used for enterprise, finance, and administrative systems, and PHP is used in web creation.

Answer:

For python:

Explanation:

Name = input("What is your name? ")

print("Hello " + Name + "!")

Complete question :

Sue is planning a theme park trip for her husband, herself, and her three children. She has a budget of $500. Adult tickets cost $55 each, and child tickets cost $25 each. Which formula should go in cell B4?

Answer:

=E1B1+E2B2

Explanation:

Cost of adult ticket = $55

Child ticket = $25

Number of adult = 2

Number of children = 3

Assume :

Cost of adult ticket = $55 = E1

Child ticket = $25 = E2

Number of adult = 2 = B1

Number of children = 3 = B2

The formula that should go into cell B5 in other to calculate total amount :

Total should be :

($55*2) + ($25*3)

=E1B1+E2B2

Answer:

B

Explanation:

Answer:

B is the answer

Explanation:

Answer:

D. Refrigerants

Explanation:

In the United States of America, the agency which was established by US Congress and saddled with the responsibility of overseeing all aspects of pollution, environmental clean up, pesticide use, contamination, and hazardous waste spills is the Environmental Protection Agency (EPA). Also, EPA research solutions, policy development, and enforcement of regulations through the resource Conservation and Recovery Act .

The Clean Air Act Amendments of 1990 prohibit service-related releases of all refrigerants such as R-12 and R-134a. This ban became effective on the 1st of January, 1993.

Refrigerants refers to any chemical substance that undergoes a phase change (liquid and gas) so as to enable the cooling and freezing of materials. They are typically used in air conditioners, refrigerators, water dispensers, etc.

Answer:

D

Explanation:

Answer:

num = int(input("Enter a number: "))

print ("Answer= "+ str(num * 12))

Explanation:

Answer:

import random

computer = random.randint(0, 2)

user = int(input("scissor (0), rock (1), paper (2): "))

if computer == 0:

   if user == 0:

       print("The computer is scissor. You are scissor too. It is a draw")

   elif user == 1:

       print("The computer is scissor. You are rock. You won")

   elif user == 2:

       print("The computer is scissor. You are paper. Computer won")

elif computer == 1:

   if user == 0:

       print("The computer is rock. You are scissor. Computer won")

   elif user == 1:

       print("The computer is rock. You are rock too. It is a draw")

   elif user == 2:

       print("The computer is rock. You are paper. You won")

elif computer == 2:

   if user == 0:

       print("The computer is paper. You are scissor. You won")

   elif user == 1:

       print("The computer is paper. You are rock. Computer won")

   elif user == 2:

       print("The computer is paper. You are paper too. It is a draw")

Explanation:

*The code is in Python.

Import the random to be able to generate number number

Generate a random number between 0 and 2 (inclusive) using randint() method and set it to the computer variable

Ask the user to enter a number and set it to the user variable

Check the value of computer the computer variable:

If it is 0, check the value of user variable. If user is 0, it is a draw. If user is 1, user wins. If user is 2, computer wins

If it is 1, check the value of user variable. If user is 0, computer wins. If user is 1, it is a draw. If user is 2, user wins

If it is 2, check the value of user variable. If user is 0, user wins. If user is 1, computer wins. If user is 2, it is a draw

Answer:

The name server

Explanation:

The correct answer is name servers because on the internet, they usually help web browsers and other services to access the records of the domain name system(DNS) by direction of traffic through connection of the domain name with the IP address of the web server.

Answer:

Publication 5140.

Explanation:

The acronym VITA stands for Volunteer Income Tax Assistance and TCE stands for Tax Counseling for the Elderly. VITA/TCE is a certification gotten from the Internal Revenue Service in which the holders of such certification are trained on how to help people that have disabilities or that their incomes earners that are low. These volunteers help these set of people to prepare for their tax return.

In order to make the volunteers to be able to perform their work with high accuracy, the Department of Treasury, Internal Revenue Service gave out some aids for Quality Site. One of the aids which is the one contains information about the new security requirements at sites is given in the Publication 5140.

Answer:

divide it into smaller pieces

Explanation:

Usually, the main reason a programmer does not understand a problem fully is that there is too much information. The best way to try and fully understand a problem is to divide it into smaller pieces. Start off by answering the question what is the expected output for an input. Then divide each individual issue within the problem. This will allow you as a programmer/developer to create an individual solution for each individual issue within the problem and then test to make sure that the input gives the correct output.

Key Categories: more libraries and thousands of functions is Practicality. Hence, option B is correct.

the ability to perform something or put something into action: Bankers expressed dissatisfaction with the new rules' viability as workable answers to challenging issues. He believes that wind energy can be a useful renewable energy source. For the majority of residential residences, the equipment is too large to be useful. Although the shoes are attractive, they are not particularly useful. The book is a helpful manual for maintaining cars.

tailored or created for actual use; beneficial: useful guidelines. interested or skilled in practical application or work: a pragmatic politician with a record of enacting significant legislation.

The definition of practical thinking is "examining ways to adapt to your surroundings or change your environment to fit you" in order to achieve a goal. Practicality is a term that is used occasionally.

Thus, option B is correct.

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Answer:

Explanation:

The following constructor needs to be added to the code so that the object called t can be created correctly...

public Tester(int arg1, int arg2) {

    num1 = arg1;

    num2 = arg2;

}

This basic constructor will allow the object to be created correctly and will take the two arguments passed to the object and apply them to the private int variables in the class. The question does not state what exactly the Tester constructor is supposed to accomplish so this is the basic format of what it needs to do for the object to be created correctly.

Answer:

A.)

arr[0] = 10;

arr[1] = 10;

Explanation:

Given the array:

arr = {1,2,3,4,5}

To set the first two elements of array arr to 10.

Kindly note that ; index numbering if array elements starts from 0

First element of the array has an index of 0

2nd element of the array has an index of 1 and so on.

Array elements can be called one at a time using the array name followed by the index number of the array enclosed in square brackets.

arr[0] = 10 (this assigns a value of 10 to the index value, which replace 1

arr[1] = 10 (assigns a value of 10 to the 2nd value in arr, which replaces 2

Answer:

In Python:

order = int(input("Order: "))

discount = 0

if(order >= 10 and order <20):

    discount = 0.20

elif(order >= 20 and order <50):

    discount = 0.30

elif(order >= 50 and order <100):

    discount = 0.35

elif(order >= 100):

    discount = 0.40

price = order * 4.1

discount = discount * price

print("With your order of "+str(order)+" items, the total value will be $"+str(round(price,2))+" with a discount of $"+str(round(discount,2))+" for a final price of $"+str(round((price-discount),2)))

Explanation:

This prompts the user for number of orders

order = int(input("Order: "))

This initializes the discount to 0

discount = 0

For orders between 10 and 19 (inclusive)

if(order >= 10 and order <20):

-----------discount is 20%

    discount = 0.20

For orders between 20 and 49 (inclusive)

elif(order >= 20 and order <50):

-----------discount is 30%

    discount = 0.30

For orders between 50 and 99 (inclusive)

elif(order >= 50 and order <100):

-----------discount is 35%

    discount = 0.35

For orders greater than 99

elif(order >= 100):

-----------discount is 40%

    discount = 0.40

This calculates the total price

price = order * 4.1

This calculates the pre discount

discount = discount * price

This prints the report

print("With your order of "+str(order)+" items, the total value will be $"+str(round(price,2))+" with a discount of $"+str(round(discount,2))+" for a final price of $"+str(round((price-discount),2)))

Answer: Secure shell (SSH)

Explanation:

Answer:

A stack data structure should be used. The time complexity of the insert, delete minimum and maximum operation is O(1).

Explanation:

The stack data structure is an indexed structure that holds data in an easily retrievable way. Data is held in a first-in last-out method as elements in the structure are popped out from the end of the stack when retrieved sequentially.

The worst-case time complexity of getting the minimum and maximum elements in a stack and deleting it is O(1), this is also true for inserting elements in the stack data structure.

Answer:

Explanation:

The following code is written in Python and it is a function called filter, which takes in the requested inputs. It then places the threshold in its own variable and pops it out of the array of inputs. Then it loops through the array comparing each element with the threshold and printing out all of the ones that are less than or equal to the threshold.

def filter():

   num_of_elements = input("Enter a number: ")

   count = 0

   arr_of_nums = []

   while count <= int(num_of_elements):

       arr_of_nums.append(input("Enter a number: "))

       count += 1

   threshold = arr_of_nums[-1]

   arr_of_nums.pop(-1)

   print(threshold)

   for element in arr_of_nums:

       if int(element) < int(threshold):

           print(element)

       else:

           continue

Answer:

B: new ArrayList()

Explanation:

When dealing with Java syntax you always need to initialize an ArrayList object with its constructor. From the options listed the only correct option would be B: new ArrayList(). This would correctly initialize the ArrayList object but is not necessarily the recommended way of doing this. The truly recommended way would be the following

ArrayList<Thing> a = new ArrayList<Thing>()

ArrayLists are simply resizable array.

The syntax to create an ArrayList is:

ArrayList<Type> str = new ArrayList<Type>();

Another possible syntax is:

ArrayList var_name= new ArrayList();

The above declarations mean that: the statement that can replace the missing code is (b) new ArrayList();

While the statements that can replace the missing code is (c) I and III only

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Answer:

Escribe una función species_count que devuelva el número de especies de Pokémon únicas (determinadas por el atributo de nombre) que se encuentran en el conjunto de datos. Puede suponer que los datos están bien formateados en el sentido de que no tiene que transformar ningún valor en la columna de nombre. Por ejemplo, suponiendo que analizamos pokemon_test.csv y lo almacenamos en una variable llamada datos:

Explanation: