Answer:
class LinkedList:
def __init__(self):
self.head = None
def insert_in_ascending_order(self, new_node):
"""Inserts a new node into the linked list in ascending order.
Args:
new_node: The node to insert.
Returns:
None.
"""
# If the linked list is empty, set the new node as the head.
if self.head is None:
self.head = new_node
return
# Find the insertion point.
current = self.head
while current.next is not None and current.next.data < new_node.data:
current = current.next
# Insert the new node.
new_node.next = current.next
current.next = new_node
def print_list(self):
"""Prints the linked list in order.
Returns:
None.
"""
current = self.head
while current is not None:
print(current.data)
current = current.next
In the 1940s, computers were programmed using punch cards, or pieces of paper that had holes in them that represented binary code. If a mistake was made using this type of primitive programming, which of the following BEST describes what would need to be done to correct the problem?
A.
The entire program of punch cards had to be re-punched.
B.
The entire program of punch cards had to be loaded again and started over.
C.
The entire program needed to be rewritten and a different set of punch cards were used.
D.
The entire program could be fixed by adding or removing a card for the existing stack of papers.
Answer:
If a mistake was made using punch cards to program computers in the 1940s, the entire program of punch cards had to be re-punched to correct the problem. This was because punch cards were the primary means of input for the computer, and any changes or corrections to the program had to be physically made by punching new cards or modifying existing ones. Once the program was re-punched correctly, it could be loaded into the computer and executed.
Explanation:
What feature allows a person to key on the new lines without tapping the return or enter key
The feature that allows a person to key on new lines without tapping the return or enter key is called word wrap
How to determine the featureWhen the current line is full with text, word wrap automatically shifts the pointer to a new line, removing the need to manually press the return or enter key.
In apps like word processors, text editors, and messaging services, it makes sure that text flows naturally within the available space.
This function allows for continued typing without the interruption of line breaks, which is very helpful when writing large paragraphs or dealing with a little amount of screen space.
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Zara wants to create some lines of code that are ignored by the computer. What should these lines begin with?
IG
#
-
0
Answer
Answer is # or hashtag :)
Explanation:
Write a program that asks the user how many numbers will be entered and then has the user enter those numbers. When this is done, report to the user the position of the first 7 entered and the last 7 entered. By position we mean, for example, that if the first 7 is the 2nd number entered then its position would be 2.
Answer:
The program written in Python 3 is as follows;
The program does not make use of comments; however, see explanation section for detailed line by line explanation of the program
num = int(input("Number of Inputs: "))
mylist = []
userinput = int(input("Enter a digit: "))
i = 1
while i < num:
mylist.append(userinput)
userinput = int(input("Enter a digit: "))
i += 1
try:
first7 = mylist.index(7)+1
print('The first position of 7 is ',first7)
last7 = num - 1 - mylist[::-1].index(7)
print('The last position of 7 is ',last7)
except:
print('7 is not on the list')
Explanation:
This line prompts user for the number of inputs
num = int(input("Number of Inputs: "))
This line declares an empty list
mylist = []
This line inputs the first number into the empty list
userinput = int(input("Enter a digit: "))
The italicized lines represent an iteration that allows user to input the numbers into the empty list.
i = 1
while i < num:
mylist.append(userinput)
userinput = int(input("Enter a digit: "))
i += 1
The try-except is used to check the presence of 7 in the list
try:
This checks the first occurrence of 7
first7 = mylist.index(7)+1
This prints the first occurrence of 7
print('The first position of 7 is ',first7)
This checks the last occurrence of 7
last7 = num - 1 - mylist[::-1].index(7)
This prints the last occurrence of 7
print('The last position of 7 is ',last7)
The following is executed if there's no occurrence of 7
except:
print('7 is not on the list')
See Attachments for sample runs
Briefly explain the risks we face in augmented reality,iot and AI
Augmented Reality (AR), Internet of Things (IoT), and Artificial Intelligence (AI) are all cutting-edge technologies that offer many benefits, but they also come with certain risks. Some of the main risks associated with these technologies include:
Augmented Reality: One of the main risks associated with AR is that it can distract users from their real-world surroundings, potentially leading to accidents or injuries. Additionally, AR can also be used to spread misinformation or to manipulate people's perceptions of the world.
Internet of Things: The IoT is vulnerable to cyber attacks, as the interconnected nature of these devices makes them an attractive target for hackers. A security breach of an IoT device can lead to the loss of sensitive information or to unauthorized control of the device.
Artificial Intelligence: AI systems can be trained on biased data, which can lead to biased decisions, particularly in sensitive areas such as criminal justice or hiring. Additionally, AI can be used to automate certain tasks, which can displace jobs, and its usage can be used for malicious intent like spreading misinformation, hacking and surveillance.
It's important to keep in mind that these are not exhaustive lists, and there are other risks associated with these technologies. It is crucial to be aware of these risks and to take the appropriate measures to mitigate them.
Write a program that uses an initializer list to store the following set of numbers in an array named nums. Then, print the array.
14 36 31 -2 11 -6
Sample Run
[14, 36, 31, -2, 11, -6]
explain Impact of HTML, CSS, and JS code on maintainability of website
Answer:
Following HTML best practices will help you build performant websites and web apps. Learning them is critical for web development.
Explanation:
How do I fund my campaign in micro-worker?
To fund your campaign in a micro-worker platform, you can follow these steps
What are the steps?1. Set up a campaign on a micro-worker platform,such as Amazon Mechanical Turk or Microworkers.
2. Determine the budget for your campaign based on the tasks you want to assign and the number of workers you wish to engage.
3. Allocate funds to your campaign account on the platform using a preferred payment method,such as credit card or Pay Pal.
4. Monitor the progress of your campaign and trackthe expenditure from your campaign account.
5. Adjust the funding as needed to ensure sufficient resources for yourcampaign.
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Finding a specific name within a customer database is a problem that can be solved by _____.
A) prioritizing
B) decoding
C) searching
D) calculating
Explaining Invalid Data
what happens if date is entered in a feld without meeting the validation mal
Answer:
An error appears and the record cannot be saved
Explanation:
edge 2021
user intent refers to what the user was trying to accomplish by issuing the query
Answer:
: User intent is a major factor in search engine optimisation and conversation optimisation. Most of them talk about customer intent ,however is focused on SEO not CRO
Explanation:
Explain how to back up a computer in five steps.
Answer:
Explanation:
1. Decide what to back up
If you've stored anything valuable on your hard drive , you'll need to back that up yourself.
2. Choose backup media
You'll need to store your backup on a separate form of digital media - such as Go-ogle Drive, One Drive for Business or an external hard drive
3. Back up your data
The backup method will vary depending on your choice of software and operating system Once that's done, schedule regular future backups.
4. Store it safely
You don't want to lose your PC and your backup. So, be smart and keep your backup somewhere safe.
5. Check that it works
Errors and technical glitches can happen without you even noticing. You may only find out later when you actually need to use that data that something went wrong. Avoid the worry by checking your backups once in a while and confirming that the data is being properly backed up.
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.
The statement that represents a possible explanation for why open-source software (OSS) is free is as follows:
The OSS movement is funded by a private donor so it does not need to charge for its software licenses.Thus, the correct option for this question is D.
What is open-source software?Free and open-source software (FOSS) is a term used to refer to groups of software consisting of both free software and open-source software where anyone is freely licensed to use, copy, study, and change the software in any way, and the source code is openly shared so that people are encouraged to voluntarily improve.
Open-source software (OSS) is computer software that is released under a license in which the copyright holder grants users the rights to use, study, change, and be marked by the user for a specific purpose in order to perform particular functions.
Therefore, the correct option for this question is D.
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a personal statement should be submitted
Answer:
Prospective employers and universities may ask for a personal statement that details your qualifications for a position or degree program. Writing a compelling personal statement is an excellent way to highlight your skills and goals to an employer or university.
Yes, submitting a personal statement is often required or advised when applying for specific academic programs, scholarships, or jobs.
A person's background, experience, objectives and motivations can all be expressed in a personal statement, which is a written declaration. This gives the applicant a chance to highlight personal successes, abilities and characteristics that make them an excellent contender for the position they are pursuing.
A well-written personal statement can help tell a compelling story and make a good impression on the hiring manager or committee. It is important to follow closely any instructions or prompts given and to adjust individual details to the particular needs of the application.
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Select the true statement about HTML. HTML is a language that is used to create Web pages. HTML tags tell a web browser when to run HTTP sequences. HTML supports the delivery of Web pages through HTTP. HTML is used to distribute websites.
Answer: HTML is a language that is used to create Web pages.
Explanation:
HTML (Hypertext Markup Language) simply refers to the code which is used for the structuring of a web page and its content. e.g the content can be structured by using images, in data tables or within a set of paragraphs.
Therefore, the correct statement about HTML is that HTML is a language that is used to create Web pages.
Answer:
HTML is a language that is used to create Web pages
Explanation:
HTML is not running applications, for example, Microsoft, its uses C++.
HTML runs only things not cool, only can make it VERY cool when used by other languages.
Project Description In this exercise, you are responsible for the design and implementation of a school dismissal database. School personal need a database to determine whether students ride the bus at the end of the school day or if students are pickup by an organization or designated adult. The database will be used by school personal to look-up the names of adults and organizations who have the authority to pick-up students from the school from school. To design the database, you will first review the preliminary design requirements. The preliminary design requirements are minimal and incomplete. Add requirements to complete the design of the database. Describe requirements on this document as indicated by the words, Complete this section of the document. You will use Oracle Data Modeler to create a logical and relational model. Then you will implement your database design as an Oracle database. After the Oracle database is created, reverse engineer the database to the relational and logical models.
Answer:
school bus for. the students
HELP ME OUT PLEASE!!!!
Newspapers are forms of digital media.
True False
To connect to devices in another country, you would need to connect to a
WAN
MAN
LAN
PAN
Answer:
WAN
Explanation:
wide area network
Answer:
To connect to devices in another country, you would need to connect to a WAN
Explanation:
WAN stands for A wide area network which can connect to other countries and broad ranges.
Implement the function get_stats The function get_stats calculates statistics on a sample of values. It does the following: its input parameter is a csv string a csv (comma separated values) string contains a list of numbers (the sample) return a tuple that has 3 values: (n, stdev, mean) tuple[0] is the number of items in the sample tuple[1] is the standard deviation of the sample tuple[2] is the mean of the sample
Answer:
Check the explanation
Explanation:
PYTHON CODE: (lesson.py)
import statistics
# function to find standard deviation, mean
def get_stats(csv_string):
# calling the function to clean the data
sample=clean(csv_string)
# finding deviation, mean
std_dev=statistics.stdev(sample)
mean=statistics.mean(sample)
# counting the element in sample
count=len(sample)
# return the results in a tuple
return (count, std_dev, mean)
# function to clean the csv string
def clean(csv_string):
# temporary list
t=[]
# splitting the string by comma
data=csv_string.split(',')
# looping item in data list
for item in data:
# removing space,single quote, double quote
item=item.strip()
item= item.replace("'",'')
item= item.replace('"','')
# if the item is valid
if item:
# converting into float
try:
t.append(float(item))
except:
continue
# returning the list of float
return t
if __name__=='__main__':
csv = "a, 1, '-2', 2.35, None,, 4, True"
print(clean(csv))
print(get_stats('1.0,2.0,3.0'))
Write a class named Pet, with should have the following data attributes:1._name (for the name of a pet.2._animalType (for the type of animal that a pet is. Example, values are "Dog","Cat" and "Bird")3._age (for the pet's age)The Pet class should have an __init__method that creates these attributes. It should also have the following methods:-setName -This method assigns a value to the_name field-setAnimalType - This method assigns a value to the __animalType field-setAge -This method assigns a value to the __age field-getName -This method returns the value of the __name field-getAnimalType -This method returns the value of the __animalType field-getAge - This method returns the value of the __age fieldWrite a program that creates an object of the class and prompts the user to enter the name, type, and age of his or her pet. This should be stored as the object's attributes. Use the object's accessor methods to retrieve the pet's name, type and age and display this data on the screen. Also add an __str__ method to the class that will print the attributes in a readable format. In the main part of the program, create two more pet objects, assign values to the attirbutes and print all three objects using the print statement.Note: This program must be written using Python language
According to the question this program given below using Python language a class named Pet, with should have the following data.
What is Python language?Python is an interpreted, high-level, general-purpose programming language. It was created by Guido van Rossum in the late 1980s and early 1990s and released in 1991. Python is designed to be easy to learn and easy to read, with its large library of modules, extensive standard library, and clear and simple syntax.
class Pet:
def __init__(self, name, animalType, age):
self.__name = name
self.__animalType = animalType
self.__age = age
#setters
def setName(self, name):
self.__name = name
def setAnimalType(self, animalType):
self.__animalType = animalType
def setAge(self, age):
self.__age = age
#getters
def getName(self):
return self.__name
def getAnimalType(self):
return self.__animalType
def getAge(self):
return self.__age
#__str__ method
def __str__(self):
return "Name: "+self.__name+"\nAnimal Type: "+self.__animalType+"\nAge: "+str(self.__age)
#Main Program
#Object 1
name = input("Enter the name of your pet: ")
animalType = input("Enter the type of animal: ")
age = int(input("Enter the age of your pet: "))
pet1 = Pet(name, animalType, age)
#Object 2
name = input("Enter the name of your pet: ")
animalType = input("Enter the type of animal: ")
age = int(input("Enter the age of your pet: "))
pet2 = Pet(name, animalType, age)
#Object 3
name = input("Enter the name of your pet: ")
animalType = input("Enter the type of animal: ")
age = int(input("Enter the age of your pet: "))
pet3 = Pet(name, animalType, age)
#Print the objects
print("\nPet 1:")
print(pet1)
print("\nPet 2:")
print(pet2)
print("\nPet 3:")
print(pet3)
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T/F 2.In most computers, the operating system is stored on a compact disc.
Answer:
False
Explanation:
Either a Hard Drive or a SSD would be used to store the OS
In this c++ assignment, add an undo feature to a list of strings.
Here's a working class called Stringlist that implements a simple string list as a dynamic array. Stringlist_test.cpp has tests for all the methods in Stringlist.
Stringlist has one unimplemented method:
// Undoes the last operation that modified the list. Returns true if a
// change was undone, false otherwise.
//
bool undo()
{
cout << "Stringlist::undo: not yet implemented\n";
return false;
}
Your job is to implement undo, thus making Stringlist an undoable list.
Your implementation must follow these rules:
Do not delete any methods, or change the signatures of any methods, in Stringlist. You can change the implementation of existing methods if necessary. But they should still work the same way: your finished version of Stringlist with undo implement must still pass all the tests in Stringlist_test.cpp.
You can add other helper methods (public or private), functions, and classes/structs to Stringlist.h if you need them.
You must implement undo() using a private stack that is accessible only inside the Stringlist class. Implement the stack yourself as a linked list. Do not use arrays, vectors, or any other data structure for your stack.
Do not use any other #includes or #pragmas in Stringlist.h other than the ones already there.
When it's done, you'll be able to write code like this:
#include "Stringlist.h"
#include
using namespace std;
int main() {
Stringlist lst;
cout << lst << endl; // {}
lst.insert_back("one");
lst.insert_back("two");
lst.insert_back("three");
cout << lst << endl; // {"one", "two", "three"}
lst.undo();
cout << lst << endl; // {"one", "two"}
lst.undo();
cout << lst << endl; // {"one"}
lst.undo();
cout << lst << endl; // {}
}
Designing the Undo Stack
As mentioned above, you must implement undo() using at least one private stack implemented as a linked list inside the Stringlist class. You can modify Stringlist only as described at the start of this assignment.
examples of how specific methods should work.
Undoing insert_before
In code:
// lst == {"dog", "cat", "tree"}
lst.insert_before(3, "hat");
// lst == {"dog", "cat", "tree", "hat"}
lst.undo();
// lst == {"dog", "cat", "tree"}
lst.insert_before(1, "shoe");
// lst == {"dog", "shoe", "cat", "tree"}
lst.undo();
// lst == {"dog", "cat", "tree"}
Undoing set
For set, suppose that lst is {"yellow", "green", "red", "orange"}, and so lst.get(2) returns "red". If you call lst.set(2, "cow"), then you should push the operation set location 2 to "red" onto the undo stack, and then over-write location 2 with "cow".
In code:
// lst == {"yellow", "green", "red", "orange"}
lst.set(2, "cow");
// lst == {"yellow", "green", "cow", "orange"}
lst.undo();
// lst == {"yellow", "green", "red", "orange"}
Undoing remove_at
For remove_at
In code:
// lst == {"dog", "cat", "tree"}
lst.remove_at(1);
// lst == {"dog", "tree"}
lst.undo();
// lst == {"dog", "cat", "tree"}
Undoing operator=
For operator=,
In code:
// lst1 == {"dog", "cat", "tree"}
// lst2 == {"yellow", "green", "red", "orange"}
lst1 = lst2;
// lst1 == {"yellow", "green", "red", "orange"}
// lst2 == {"yellow", "green", "red", "orange"}
lst1.undo();
// lst1 == {"dog", "cat", "tree"}
// lst2 == {"yellow", "green", "red", "orange"}
As this shows, when you undo operator=, the entire list of strings is restored in one call to undo().
Important notes:
If lst1 and lst2 are different objects, then when lst2 is assigned to lst1 just the underlying string array of lst2 is copied to lst1. The lst1 undo stack is updated so that it can undo the assignment. The undo stack of lst2 is not copied, and lst2 is not modified in any away.
Self-assignment is when you assign a list to itself, e.g. lst1 = lst1;. In this case, nothing happens to lst1. Both its string data and undo stack are left as-is.
Undoing remove_all
For remove_all,
In code:
// lst == {"dog", "cat", "tree"}
lst.remove_all();
// lst == {}
lst.undo();
// lst == {"dog", "cat", "tree"}
Note that it should work the same way when lst is empty:
// lst == {}
lst.remove_all();
// lst == {}
lst.undo();
// lst == {}
Undoing Other Methods
undo() should undoall the other methods in Stringlist that are marked as "undoable" in the source code comments.
As mentioned above, undo() is not undoable. There is no "re-do" feature in this assignment.
Each method in Stringlist.h marked "undoable" should work correctly with undo(). This also includes the correct behaviour for the Stringlist copy constructor (which should not copy the undo stack).
The markers tests should run correctly, including with no memory leaks according to valgrind.
To implement the undo feature in the Stringlist class, you will need to modify the existing class and add a private stack implemented as a linked list. Here are the steps to follow:
How to write the program code1. In the Stringlist class in Stringlist.h, add a private struct called `UndoNode` to represent each node in the undo stack. Each node should store the necessary information to undo an operation (e.g., the method name, the arguments, and any other relevant data).
```cpp
private:
struct UndoNode {
std::string method; // The method name
// Add other necessary data for the specific method being undone
// ...
UndoNode* next; // Pointer to the next node in the stack
UndoNode(const std::string& m) : method(m), next(nullptr) {}
};
```
2. Add a private member variable `undoStack` of type `UndoNode*` to the Stringlist class to keep track of the undo stack.
```cpp
private:
// Other private member variables
UndoNode* undoStack;
```
3. Modify the undoable methods in the Stringlist class to push the necessary information onto the undo stack before performing the operation. For example, in the `insert_before` method:
```cpp
void insert_before(size_t index, const std::string& str) {
// Push the operation onto the undo stack
UndoNode* undoNode = new UndoNode("insert_before");
// Add necessary data to the undoNode (e.g., index and str)
// ...
// Perform the actual operation
// ...
// Add the undoNode to the top of the stack
undoNode->next = undoStack;
undoStack = undoNode;
}
```
4. Implement the `undo` method to pop the top node from the undo stack and perform the undo operation based on the stored information. You will need to handle each operation individually in the `undo` method.
```cpp
bool undo() {
if (undoStack == nullptr) {
std::cout << "Undo stack is empty." << std::endl;
return false;
}
UndoNode* undoNode = undoStack;
undoStack = undoStack->next;
// Perform the undo operation based on the stored information in undoNode
if (undoNode->method == "insert_before") {
// Undo the insert_before operation
// ...
} else if (undoNode->method == "set") {
// Undo the set operation
// ...
}
// Handle other operations...
delete undoNode;
return true;
}
```
Remember to handle memory deallocation appropriately and update other methods marked as "undoable" accordingly.
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Q1. Information systems that monitor the elementary activities and transactions of the organizations are: I a. Management-level system b. Operational-level system C. Knowledge-level system d. Strategic level system
Answer:
B. Operational-level systems monitor the elementary activities and transactions of the organization.
The information systems that monitor the elementary activities and transactions of the organizations are Operational-level systems. Thus, the correct option for this question is B.
What do you mean by Information system?An information system may be defined as a type of system that significantly consists of an integrated collection of components particularly for gathering, storing, and processing data and for providing information, knowledge, and digital products.
According to the context of this question, the management level system deals with managing the components of activities in a sequential manner. Knowledge level system works on influencing the source of information and data to the connected devices.
Therefore, the operational level system is the information system that monitors the elementary activities and transactions of the organizations. Thus, the correct option for this question is B.
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The are two schools of ____________ are Symmetry and Asymmetry.
The two schools of design that encompass symmetry and asymmetry are known as symmetrical design and asymmetrical design.
Symmetrical design is characterized by the balanced distribution of visual elements on either side of a central axis. It follows a mirror-like reflection, where the elements on one side are replicated on the other side, creating a sense of equilibrium and harmony.
Symmetrical designs often evoke a sense of formality, stability, and order.
On the other hand, asymmetrical design embraces a more dynamic and informal approach. It involves the intentional placement of visual elements in an unbalanced manner, without strict adherence to a central axis.
Asymmetrical designs strive for a sense of visual interest and tension through the careful juxtaposition of elements with varying sizes, shapes, colors, and textures.
They create a more energetic and vibrant visual experience.
Both symmetrical and asymmetrical design approaches have their merits and are employed in various contexts. Symmetry is often used in formal settings, such as architecture, classical art, and traditional graphic design, to convey a sense of elegance and tradition.
Asymmetry, on the other hand, is commonly found in contemporary design, modern art, and advertising, where it adds a sense of dynamism and creativity.
In conclusion, the schools of symmetry and asymmetry represent distinct design approaches, with symmetrical design emphasizing balance and order, while asymmetrical design embraces a more dynamic and unbalanced aesthetic.
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What is the action take to the input called?
Answer:
Control types created with INPUT; Examples of forms containing INPUT controls ... The scope of the name attribute for a control within a FORM element is the FORM element. ... Applications should use the id attribute to identify elements. ... The program that will handle the completed and submitted form (the action attribute).
Explanation:
excel files have a default extension of ?
In order to average together values that match two different conditions in different ranges, an excel user should use the ____ function.
Answer: Excel Average functions
Explanation: it gets the work done.
Answer:
excel average
Explanation:
3
Drag each label to the correct location on the image.
An organization has decided to initiate a business project. The project management team needs to prepare the project proposal and business
justification documents. Help the management team match the purpose and content of the documents.
contains high-level details
of the proposed project
contains a preliminary timeline
of the project
helps to determine the project type,
scope, time, cost, and classification
helps to determine whether the
project needs meets business
needs
contains cost estimates,
project requirements, and risks
helps to determine the stakeholders
relevant to the project
Project proposal
Business justification
Here's the correct match for the purpose and content of the documents:
The Correct Matching of the documentsProject proposal: contains high-level details of the proposed project, contains a preliminary timeline of the project, helps to determine the project type, scope, time, cost, and classification, helps to determine the stakeholders relevant to the project.
Business justification: helps to determine whether the project needs meet business needs, contains cost estimates, project requirements, and risks.
Please note that the purpose and content of these documents may vary depending on the organization and specific project. However, this is a general guideline for matching the labels to the documents.
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Before inserting a preformatted table of contents, what must you do first?
apply heading styles to text
update the table of contents
navigate to the Review tab and the Table of Contents grouping
navigate to the Insert Table of Contents dialog box
Answer: apply heading styles to text.
Explanation:
The spreadsheets are one of the most widely used application software in the
world. True or false?
Answer:
True
Explanation:
They are used in businesses all over the world
Answer:
Explanation:
False