True
Question # 21
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You shouldn’t use more than ____ fonts on a slide.

In this exercise we have to use the knowledge of computational language in python, so we find the code like:

The code can be found attached.

So let's write a code that will be a recognition function, like this:

def owl_count(text):"I really like owls. Did you know that an owls eyes are more than twice as big as the eyes of other birds of comparable weight?"

word = "owl"

texts = text.lower()

owlist = list(texts.split())

count = text.count(word)

num = [owlist, count] #num has no meaning just random var

print(num)

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The program based on the given question prompt is given below:

Beginning

 // initiate variables

 largest = -999999999

 smallest = 999999999

 interruption = false

 while not interruption do

   // reset variables for fresh set of numbers

   hugest_set = -999999999

   pettiest_set = 999999999

   // input cycle for gathering of numbers

   duplicated

     output "Input a number (0 to cease collection):"

     input figure

     if figure != 0 then

       if figure > hugest_set then

         hugest_set = figure

       end if

       if figure < pettiest_set then

         pettiest_set = figure

       end if

     end if

   until figure = 0

   // examine whether this bunch of figures accommodates new boundaries

  if hugest_set > largest then

     largest = hugest_set

   end if

   if pettiest_set < smallest then

     smallest = pettiest_set

   end if

   // produce the hugest and pettiest aspects for this set of numbers

   output "Foremost number within this set:", hugest_set

   output "Minimum number within this set:", pettiest_set

   // solicit whether the user wants to persist

   output "Do you wish to insert a new swarm of figures? (Y/N):"

   input answer

   if answer = "N" or answer = "n" then

     interruption = true

   end if

 end while

 // deliver grand total hugest and least parts

 output "Complete most extensive amount:", largest

 output "Overall minimum magnitude:", smallest

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Answer:

back arrow button

Explanation:

When a browser is open on your computer, back arrow button is the browser tool that is used to move the webpage to the previously viewed page on the browser. Therefore, the option A holds true.

Browser tools can be referred to or considered as the tools that are designated to perform different functions while using a browser to surf the internet over computer networks. Some browser tools are dynamic, while others are stable over all the browsers.

Out of the choices provided above, refresh tool is used to refresh the current page on the website for loading the latest and updates version of the webpage. The menu button takes the user to the home page of the site. So, only back arrow button on the browser can be used for the purpose.

Therefore, the option A holds true and states regarding the significance of a browser tool.

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Answer:

The <embed> HTML element embeds external content at the specified point in the document. This content is provided by an external application or other source of interactive content such as a browser plug-in.

Explanation:

Answer:

Computers play a role in every field of life. They are used in homes, business, educational institutions, research organizations, medical field, government offices, entertainment, etc.

Explanation:

Home

Computers are used at homes for several purposes like online bill payment, watching movies or shows at home, home tutoring, social media access, playing games, internet access, etc. They provide communication through electronic mail. They help to avail work from home facility for corporate employees. Computers help the student community to avail online educational support.

Medical Field

Computers are used in hospitals to maintain a database of patients’ history, diagnosis, X-rays, live monitoring of patients, etc. Surgeons nowadays use robotic surgical devices to perform delicate operations, and conduct surgeries remotely. Virtual reality technologies are also used for training purposes. It also helps to monitor the fetus inside the mother’s womb.

Entertainment

Computers help to watch movies online, play games online; act as a virtual entertainer in playing games, listening to music, etc. MIDI instruments greatly help people in the entertainment industry in recording music with artificial instruments. Videos can be fed from computers to full screen televisions. Photo editors are available with fabulous features.

Industry

Computers are used to perform several tasks in industries like managing inventory, designing purpose, creating virtual sample products, interior designing, video conferencing, etc. Online marketing has seen a great revolution in its ability to sell various products to inaccessible corners like interior or rural areas. Stock markets have seen phenomenal participation from different levels of people through the use of computers.

Education

Computers are used in education sector through online classes, online examinations, referring e-books, online tutoring, etc. They help in increased use of audio-visual aids in the education field.

Government

In government sectors, computers are used in data processing, maintaining a database of citizens and supporting a paperless environment. The country’s defense organizations have greatly benefitted from computers in their use for missile development, satellites, rocket launches, etc.

Banking

In the banking sector, computers are used to store details of customers and conduct transactions, such as withdrawal and deposit of money through ATMs. Banks have reduced manual errors and expenses to a great extent through extensive use of computers.

Business

Nowadays, computers are totally integrated into business. The main objective of business is transaction processing, which involves transactions with suppliers, employees or customers. Computers can make these transactions easy and accurate. People can analyze investments, sales, expenses, markets and other aspects of business using computers.

Training

Many organizations use computer-based training to train their employees, to save money and improve performance. Video conferencing through computers allows saving of time and travelling costs by being able to connect people in various locations.

Arts

Computers are extensively used in dance, photography, arts and culture. The fluid movement of dance can be shown live via animation. Photos can be digitized using computers.

Science and Engineering

Computers with high performance are used to stimulate dynamic process in Science and Engineering. Supercomputers have numerous applications in area of Research and Development (R&D). Topographic images can be created through computers. Scientists use computers to plot and analyze data to have a better understanding of earthquakes.

Malaysia..HP,Lenovo,dell

India,Asser,Asus

apple,ibm, Microsoft

the sum to n terms of the sequence 8, 88, 888, 8888,..... is 80/80(10ⁿ-1) -8/9n

The nth terms is solved as follows

Sⁿ =8+88+888+8888+......+n terms

= 8/9  [9+99+999+9999+....to n terms]

= 8/9  [(10−1)+(10² −1+(10³ −1)+(10⁴ −1+....to n terms]

= 8/9  [(10+(10²+(10³ .....n terms) - (1 + 1 + 1 + ....n terms)

= 8/9 [(10(10ⁿ-1))/(10-1) - n] [Sun of GP= a(rⁿ-1)/(r-1) when r > 1]

= 8/9 [ 10 (10ⁿ -1)/9) -n]

= 80/81(10ⁿ -1) -8/9n

Thus, it is correct to state that 80/81(10ⁿ -1) -8/9n

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Full Question:

Find the sum to n terms of the sequence 8, 88, 888, 8888,

Answer:

yellow

Explanation:

Answer:

Explanation:

The solution code is written in Python 3.

Firstly, we can create a Library class with one constructor (Line 2). This constructor won't take any input parameter value. There is only one instance variable, books, in the class (Line 3). This instance variable is an empty list.

To test our class, we can create an object lib1 (Line 5).  Next use that object to add the book item to the books list in the object (Line 6-8).  

Answer: B. Store and organize contacts

Explanation:

I did the quiz myself and it was correct, hope this helps you all. :)

Answer:

B. Posing questions to collect necessary information

Explanation:

Tax preparation software serves as software that makes filing as well as preparation of tax to be easier.

Tax preparation software can help prepare and file your taxes by posing questions to collect the necessary information. Thus, the correct option for this question is B.

Software may be defined as a set of instructions, data, or programs which are considerably utilized in order to operate computers and execute specific tasks with respect to the instructions. The function of the software is absolutely the opposite of the hardware.

According to the context of this question, tax preparation software automatically collects all sorts of data and information according to your credentials. These types of software help individuals in calculating their taxes on the basis of their income.

Therefore, tax preparation software can help prepare and file your taxes by posing questions to collect the necessary information. Thus, the correct option for this question is B.

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Answer:

Round trip times required =  log2N

Explanation:

The round-trip times required before TCP can send N segments using a slow start is log2N. we can arrive at this by looking at the mode of operation of TCP which is  at the 1st time of using a TCP it starts the congestion window as 1 then it  sends an initial segment. When the acknowledgement of the initial segment arrives, TCP increases the congestion window to 2 and then sends 2 segments, When the 2 acknowledgements of the segments sent out arrives, they each increase the congestion window by one, thereby increasing the congestion window to 4 . therefore it takes   log2N round trips before TCP can send N segments

Answer:

Explanation:

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.

The order of communication in a linear model are;

I. A sender sends a message through a transmitter.

II. The transmitter converts the message into a signal through encoding.

III. The encoded signal then travels through a channel.

IV. At the receiver, the signal is decoded.

V. The decoded message is sent to the destination.

Generally, when a message is encoded by the sender, it requires a recipient to decode it for the communication process to be complete.

Princeton architecture is the processor that you designed conform to.

The von Neumann architecture often referred to as the von Neumann model or Princeton architecture is a type of computer architecture that was developed in response to a description made in 1945 by John von Neumann and others in the First Draft of a Report on the EDVAC.

The central processing unit (CPU), processor, or core, along with a connection between the memory and the CPU, make up the "traditional" von Neumann architecture. There are a number of places in the main memory, and each one can hold both data and instructions. The Princeton (also known as Von Neumann) architecture designed for the ENIAC employs the same memory and data pathways for storing both programs and data.

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One way to project the 2D data points onto a 1D space while preserving linear separability is through the use of a linear discriminant analysis (LDA) technique. LDA finds the linear combination of the original features that maximizes the separation between the different classes.

The mathematics behind LDA involve finding the eigenvectors of the within-class scatter matrix and the between-class scatter matrix and selecting the eigenvector that corresponds to the largest eigenvalue. The full algorithm for LDA can be outlined as follows:

Compute the mean vectors for each class

Regarding the SVM algorithm, it can be applied directly to the original 2D data without the need for dimension reduction. The mathematics behind SVM involve finding the hyperplane that maximizes the margin, or the distance between the closest data points of each class, while also ensuring that the data points are correctly classified.

The full algorithm for SVM can be outlined as follows:

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The program to calculate the square of 20 by using a loop

that adds 20 to the accumulator 20 times is given:

accumulator = 0

for _ in range(20):

   accumulator += 20

square_of_20 = accumulator

print(square_of_20)

Algorithm:

Initialize an accumulator variable to 0.

Start a loop that iterates 20 times.

Inside the loop, add 20 to the accumulator.

After the loop, the accumulator will hold the square of 20.

Output the value of the accumulator (square of 20).

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Answer:

Technology helps business professionals, keep more organized, communicate better, and effectively keeps businesses secure. Technology helps keep employee information and business paper work more organized using computers and software; while making it easier to communicate with employee's using e-mail and memo's.30-Jan-2019

Explanation:

The type of information system would be used by upper level management using both internal and external information is Option B Decision support system.

An executive information system is a decision support system (DSS) that aids top executives in making choices (EIS).

It achieves this by allowing access to essential data needed to support a company's strategic goals. The majority of EISs have graphical displays with a user-friendly interface.

So, Option B is correct.

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Answer:

WRONG

Explanation:

Answer:

Based on the scenario you have described, Sam may have violated several professional work standards, including:

1. Confidentiality: By discussing the details of a client's network issue with someone outside the company, Sam may have breached the client's trust and violated the confidentiality of their information.

2. Conflict of Interest: Sam's work for his friend's clients could create a conflict of interest with his job at your company. He may be in a situation where he could potentially prioritize his friend's clients over his own, which is unethical.

3. Professional Competence: If Sam is providing professional services to clients outside of his area of expertise, he may be violating the professional competence standard. It is important for IT professionals to only provide services within their area of expertise.

4. Professional Conduct: Sam's bragging about his work to someone outside of the company may also be seen as unprofessional conduct. It may reflect poorly on the company and damage its reputation.

Overall, Sam's actions could potentially harm the company's reputation, violate ethical standards, and jeopardize client relationships. It is important for IT professionals to uphold high ethical standards in their work.

Hope this helps!

To convert the given grammar into Chomsky Normal Form (CNF), we need to rewrite the rules and ensure that each production has only two non-terminals or one terminal on the right-hand side. Here is the converted CNF grammar:

1. S → SS | AB | B

2. A → AA

3. A → a

4. B → bBb | bb | ε

5. C → CC | a

6. D → aC | bb

Explanation:

1. The production S → SS has been retained as it is.

2. The production A → aAAa has been split into A → AA and A → a.

3. The production B → bBb has been split into B → bB and B → b.

4. The production B → bb has been kept as it is.

5. The production B → ε (empty string) has been denoted as B → ε.

6. The production C → CC has been retained as it is.

7. The production C → a has been kept as it is.

8. The production D → aC has been kept as it is.

9. The production D → bb has been kept as it is.

In summary, the given grammar has been converted into Chomsky Normal Form (CNF), where each production has either two non-terminals or one terminal on the right-hand side. This form is useful in various parsing and analysis algorithms.

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Answer:

Explanation:

To convert the given grammar to Chomsky Normal Form (CNF), we need to follow a few steps:

Step 1: Eliminate ε-productions (productions that derive the empty string).

Step 2: Eliminate unit productions (productions of the form A → B).

Step 3: Convert long productions (productions with more than two non-terminals) into multiple productions.

Step 4: Convert terminals in remaining productions to new non-terminals.

Step 5: Ensure all productions are in the form A → BC (binary productions).

Applying these steps to the given grammar:

Step 1: Eliminate ε-productions

The given grammar doesn't have any ε-productions.

Step 2: Eliminate unit productions

The given grammar doesn't have any unit productions.

Step 3: Convert long productions

S → SS (Remains the same)

S → AB

A → aAAa

B → bBb

B → bb

C → CC

C → a

D → aC

D → bb

Step 4: Convert terminals

No changes are needed in this step as all terminals are already in the grammar.

Step 5: Ensure binary productions

The given grammar already consists of binary productions.

The converted grammar in Chomsky Normal Form (CNF) is:

S → SS | AB

A → aAAa

B → bBb | bb

C → CC | a

D → aC | bb

Note: The original grammar didn't include the production rules for the non-terminals 'S', 'C', and 'D'. I assumed the missing production rules based on the provided information.

The formula that could be entered as a counting function to count the number of cells would be COUNTA.

If you want to count the number of cells that are not empty in the Billable column, you can go to cell D15 and type in =COUNTA(.

After that, you highlight the entire Billable column from D2 to D14 and then close the formula and press enter. It will return the number of cells that are not empty.

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The statement to show a list of all employees' first names and their managers' first names is in explanation part.

SQL is an abbreviation for Structured Query Language. SQL allows you to connect to and manipulate databases. SQL was adopted as an American National Standards Institute (ANSI) standard in 1986.

Here's an example SQL query to show a list of all employees' first names and their managers' first names, ordered by employee first name:

SELECT e1.FirstName AS Employee, e2.FirstName AS Manager

FROM Employee e1

INNER JOIN Employee e2

ON e1.ManagerID = e2.ID

ORDER BY Employee;

Thus, in this we order the results by the Employee column (i.e., the first name of the employee). The query only returns employees that have a manager (i.e., their ManagerID column is not null).

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Note that this is an SQL prompt. This is because we are asked to create queries. When you have information on tables are are asked to create queries that will result in a certain output, you are looking at a dataase query. Queries are created in SQL. Here are the queries below. The expected output are all attached.

(i) Display name, owner and gender for all dogs.

Query:
SELECT Name, Owner, Gender

FROM Pet

WHERE Species = 'Dog';

(ii) Display Name, owner and age of all pets whose age is more 2 years.

Query:

SELECT Name, Owner, Age

FROM Pet

WHERE Age > 2;

(iii) select name, owner from pet where owner name like ‘%ya’;

Query:

SELECT Name, Owner

FROM Pet

WHERE Owner LIKE '%ya';

(iv) select name, age from pet where species = dog and age between 1 and 3;

Query:
SELECT Name, Age

FROM Pet

WHERE Species = 'Dog' AND Age BETWEEN 1 AND 3;

(v) select * from pets where species in (‘horse’,’parrot’)

Query:
SELECT *

FROM Pet

WHERE Species IN ('Horse', 'Parrot');

An SQL query is a command used to retrieve or manipulate data in a relational database. It is important because it allows users to extract specific data from large databases, make updates to existing data, and create new records.

SQL queries are essential in many industries that rely on large amounts of data, such as finance, healthcare, and e-commerce.

SQL queries are used to interact with data stored in relational databases, which are typically organized into tables. Queries allow users to extract, modify, and manage data within those tables.

See all output attached.

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Full Question:

Although part of your question is missing, you might be referring to this full question:

Assuming this is a database, consider the above given table and write queries for:

(i) & (ii) and output of

(iii) –(v):Table Name: Pet

i) Display name, owner and gender for all dogs.

ii) Display Name, owner and age of all pets whose age is more 2 years.

iii)select name, owner from pet where owner name like ‘%ya’;

iv) select name, age from pet where species = dog and age between 1 and 3;

v) select * from pets where species in (‘horse’,’parrot’)

The given program based on the question requirements is given below:

public static void analyzeChar(String text)

{

text = text.toLowerCase();

char [] characters = new char[26];

int [] rep =new int[26];

//populate the array of characters

char ch = 'a';

for (int i =0; i < characters.length; i++)

{

characters[i] = ch;

ch++;

}

itz72

//System.out.println(Arrays.toString(characters));

//System.out.println(Arrays.toString(rep));

//how many times each characters repeats

for (int i =0 ; i < text.length (); i++ )

{

ch = text.charAt(i);

if(ch>= 'a'&& ch<= 'z')

{

rep[(int)(ch-'a')]++;

}

itz72

}

//show the number of repetitions

for (int i = 0; i < rep.length; i++)

{

System.out.println("character" + characters[i] + "reapeats"+ rep[i]);

}

}

itz72

public static void calcNumChar(String text)

{

System.out.println("The number of characters is: " + text.length());

}

public static String getText(String fileName) throws IOException

{

String line = "", allText = "";

//open the file

File file = new File(fileName);

Scanner inputFile = new Scanner(file);

//read the file

while(inputFile.hasNext())

{

line = inputFile.nextLine();

//System.out.println(line);

allText=allText + (" " + line);

}

itz72

//close the file

inputFile.close();

return allText;

}

public static String getFilename()

{

String file;

Scanner kb = new Scanner(System.in);

System.out.print("Enter the name of the file: ");

file = kb.nextLine();

return file;

}

}

This script contains numerous functions that aid in the examination and manipulation of written materials. This program determines the incidence of every letter present in the supplied text, tallies the overall character count, and includes the ability to import text from a file.

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Answer:

import java.util.Scanner;

public class qs {

   public static void main(String[] args) {

       Scanner input = new Scanner(System.in);

       double price;

       do {

           System.out.print("Enter the price for a gallon of gas: ");

           while (!input.hasNextDouble()) {

               System.out.println("That's not a number!");

               input.next(); // this is important!

           }

           price = input.nextDouble();

       } while (price < 0);

       System.out.println("The price is " + price);

   }

}

The browser will use the first file that it supports. If the browser does not support any of the files, the text between the video and </video> tags will be displayed.

Tanya can use the following code to insert the video with all its controls on her office website:

<video width="260" height="200" controls>

 <source src="video.mp4" type="video/mp4">

 <source src="video.ogg" type="video/ogg">

 Your browser does not support the video tag.

</video>

The width and height attributes specify the dimensions of the video player. The controls attribute specifies that the video player should display all its controls. The source elements specify the location of the video files.

The first source element specifies the location of the MP4 file, and the second source element specifies the location of the Ogg file. The browser will use the first file that it supports. If the browser does not support any of the files, the text between the video and </video> tags will be displayed.

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The correct output for the given Python code would be option A: 0b10.

The value 2 is assigned to the variable named "pets" in the provided Python code. Afterwards, the decimal value of pets (2) is transformed into binary format through the utilization of the bin() function. The function bin() produces a binary value in string form, and adds the prefix "0b" to indicate this.

Thus, the result displayed for binaryPets upon printing will be 0b10. Indicating that a value is in binary format is done by adding the prefix '0b'. In binary, the decimal value 2 is represented by 10.

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The necessary conditions and procedures needed to accomplish this assignment is given below. Quicksort is an algorithm used to sort data in a fast and efficient manner.

Some rules to follow in the above work are:

A)Choose the initial element of the partition as the pivot.

b) Utilize the same method to select the pivot, but switch to insertion sort as the concluding step for partitions that contain 100 or fewer elements.

Lastly,  Utilize the same method of pivot selection, but choose insertion sort for partitions that are of a size equal to or lesser than 50 in order to accomplish the task.

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