What did this command do?
mv ../* .cpp .
(In linux ubuntu)

Using the knowledge in computational language in C++ it is possible to write a code that write a program that ask user for login credentials, using Nested If-else Statement.

#include <iostream>

#include <cctype>

#include <string>

#include<fstream>

using namespace std;

/*Implements a method to validata the password*/

bool validatePasswordProcess(char passwordValidate[]);

/*main program*/

int main()

{

/*declares the varibles*/

const int SIZEVAL = 7;

char passwordValidate[SIZEVAL];

string UserName,lineFile;

/*declares the file variable*/

ifstream userFile;

/*opens the file*/

userFile.open ("users.txt");

/*Entering the user name*/

cout<<"Enter UserName:";

/*Getting the user Name*/

cin>>UserName;

/*checks whether the file is open*/

if(userFile.is_open())

{

/*getting the lines*/

while(getline(userFile,lineFile))

{

/*printing the data in the file*/

//cout<<lineFile<<endl;

}

/*checks the end of file*/

while(!userFile.eof())

{

/*compares the username*/

if(UserName.compare(lineFile)==0)

{

/*prints the message*/

cout<<"UserName is available";

}

}

}

/*else statement*/

else

{

/*prints the message*/

cout<<"UserName not found";

exit(1);

}

/*Getting the password for validation*/

cout << "PLEASE ENTER A PASSWORDVALIDATE THAT'S 8 CHARACTERS LONG " << endl;

cout << "AND AT LEAST ONE UPPER AND LOWERCASE LETTER " << endl;

cout << "AND ALSO AT LEAST ONE DIGIT " << endl;

/*Getting the password*/

cin >> passwordValidate;

/*checks the password Length*/

if (strlen(passwordValidate) < 8)

{

/*password validation message*/

cout << "PASSWORD NOT LONG ENOUGH, PLEASE TRY AGAIN";

cin >> passwordValidate;

}

/*calls the validatePassword function*/

if (validatePasswordProcess(passwordValidate))

cout << "THAT'S A VALID PASSWORDVALIDATE";

/*closing the file*/

userFile.close();

return 0;

}

/*Implements the nethod for validating the password*/

bool validatePasswordProcess(char passwordValidate[])

{

/*Declares the variables*/

int countValue;

int upperCase = 0;

int lowerCase = 0;

int digitCompute = 0;

/*loop to check through each of the validation*/

for (countValue = 0; countValue < 6; countValue++)

{

/*checks isUpper case*/

if (isupper(passwordValidate[countValue]))

{

upperCase++;

}

/*checks islowercase*/

else if (islower(passwordValidate[countValue]))

{

lowerCase++;

}

/*checks whether it is digit or not*/

else if (isdigit(passwordValidate[countValue]))

{

digitCompute++;

}

}

/*validates the upper case*/

if (upperCase == 0)

{

cout << "NO UPPERCASE CASE, PLEASE TRY AGAIN ";

cin >> passwordValidate;

}

/*check the lower case*/

else if (lowerCase == 0)

{

cout << "NO LOWERCASE CASE, PLEASE TRY AGAIN ";

cin >> passwordValidate;

}

/*checks whether it is a digit*/

else if (digitCompute == 0)

{

cout << "NO DIGITE, PLEASE TRY AGAIN ";

cin >> passwordValidate;

}

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Answer:

skimming

Explanation:

skimming is the term that means to capture credit card info from a counterfeit card reader.

Using the knowledge in computational language in python it is possible to write a code that Prepare an algorithm and draw a corresponding flowchart to complete the sum and product of all prime numbers between 1 and 50.

using Lisp GNU Common Lisp (GCL) GCL 2.6.12  

Distributed under the GNU Public License. See the file COPYING.  

Dedicated to the memory of William Schelter.  

The function bug_report() provides bug reporting information.  

(%i1) primep(45);  

(%o1)  false  

(%i2) primep(11);  

(%o2)  true  

(%i3) primep(31);  

(%o3)  true  

(%i4)  

#!/usr/bin/env luajit

local bit = require("bit")

local band, bxor = bit.band, bit.bxor

local rshift, rol = bit.rshift, bit.rol

local m = tonumber(arg and arg[1]) or 100000

if m < 2 then m = 2 end

local count = 0

local p = {}

for i=0,(m+31)/32 do p[i] = -1 end

io.write(string.format("Found %d primes up to %d\n", count, m))

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The statement that is false about javascript identifier is option C: can start with a number

A variable, function, or property's identifier is a string of characters in the code. Identifiers in JavaScript can contain Unicode letters, $, _, and digits (0–9) but cannot begin with a digit. They are also case-sensitive. 20

Therefore, Generally speaking, a JavaScript identifier begins with a letter, an underscore (_), or a dollar symbol ($). The following characters may also be numbers ( 0 – 9 ). Because of the case sensitivity of JavaScript, letters consist of the characters A through.

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A network configuration would be typical of a private deployment model is: A) IP address: 10.0.0.20.

In Computer technology, an IP address is an abbreviation for Internet protocol address and it can be defined as a unique set of numbers that are assigned to a network device such as a computer, website or other network devices such as routers, switches, etc., in order to successfully differentiate them from one another in an active network system.

In Computer networking, the internet protocol (IP) address comprises two (2) main versions and these include;

In this scenario, the IP address: 10.0.0.20 is an internet protocol (IP) address which most likely represent a private deployment model that can be used in homes.

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The university student registration system is unable to cope with the high volume of telephone calls received at registration time. Among others, busy signals and long distance charges are inherent problems of the telephone registration system.

An online student registration system needs to be developed. In addition, students on campus, off campus, in-state, out of state, and out of country can easily and inexpensively take advantage of many of the services provided by the Office of the Registrar, which today require users to be on campus during business hours.

What is System investigation

System Investigation is the process of finding out what the system is being built to do and if the system is feasible. I

t is the process of finding out what the system is being built to do and if the system is feasible. This will help gain an understanding of the technical resources of the organization and their applicability to the needs of the system.

System Analysis and Design - Overview:

Systems Analysis:

It is a procedure for gathering and analyzing data, determining the issues, and breaking down a system into its constituent parts.

System analysis is done to investigate a system or its components in order to pinpoint its goals. It is a technique for solving problems that makes the system better and makes sure that all of its parts function effectively to serve their intended purposes.

Analysis lays out the system's proper course of action.

Systems Design:

Planning a new business system or replacing an existing system involves defining its modules or components to meet the necessary requirements. Prior to making any plans, it is essential to have a thorough understanding of the current setup and decide how to make the most effective use of computers.

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Parentheses, which are heavy punctuation, tend to make reading prose slower. Additionally, they briefly divert the reader from the core idea and grammatical consistency of the sentence.

When a function is called within parenthesis, it is executed and the result is returned to the callable. In another instance, a function reference rather than the actual function is passed to the callable when we call a function without parenthesis.

Therefore, The information inserted between parenthesis, known as parenthetical material, may consist of a single word, a sentence fragment, or several whole phrases.

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The three examples of behaviors to avoid in the computer classroom include the following:

A computer can be defined as an electronic device that is designed and developed to receive data in its raw form as an input and it processes these data into an output (information), which can be used to perform a specific task through the use of the following computer parts:

In a computer classroom, it is very important for all students to avoid taking or drinking any form of drink such as soda, water, etc., because it could spill on the computer hardware and damage it or cause electrocution. Additionally, students should avoid opening email sent by strangers and changing the cables (cords) that are used for computer connections.

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Complete Question:

Which are behaviors to avoid in the computer classroom? Select 3 options.

drinking a soda

changing the cords connected to the computer

treating others the way you would like to be treated

opening emails from strangers

Using knowledge in computational language in python it is possible to write a code that play the game tic tac toe that code an agent that plays a single move in a tic-tac-toe game.

# tic_tac_toe/logic/models.py

import enum

import re

from dataclasses import dataclass

from functools import cached_property

# ...

dataclass(frozen=True)

class Grid:

   cells: str = " " * 9

   def __post_init__(self) -> None:

       if not re.match(r"^[\sXO]{9}$", self.cells):

           raise ValueError("Must contain 9 cells of: X, O, or space")

   def x_count(self) -> int:

       return self.cells.count("X")

    def o_count(self) -> int:

       return self.cells.count("O")

   def empty_count(self) -> int:

       return self.cells.count(" ")

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Spending on cybersecurity is critical for any business. The cybersecurity budget must be sufficient to keep unauthorized users from stealing the company's assets and sensitive data.

Cyberattacks are becoming more common and sophisticated, and the cost of these targeted attacks, whether hardware or software-based, can be devastating for any company.

However, there is no hard and fast rule for determining how much should be spent on cyber defenses; it depends on the sensitivity of data stored in databases, the amount of data that must be shared among business units, the type of firm (e.g., manufacturing or service), and so on.

I recommend that this VP consider key performance indicators (KPIs) such as the number of data breaches, phishing attacks, and similar occurrences, as well as the cost of investigating, removing threats, and restoring/replacing. These figures are published by the FBI and are available on the internet. They may, however, define cyber security spending differently than your organization, which may skew the results.

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The method that can be used to search a number in an organized array of numbers would be the "sequential search algorithm."

What is an array? What is it used for?

A collection of elements, each of which is identified by at least one index or key, is referred to as an array in computer science. Each element of an array is recorded such that a mathematical formula can be used to determine its position from its index tuple.

When several variables of the same type must be used, arrays are employed. It is used to hold a collection of data, although it is more helpful to see an array as a group of variables of the same type. You can declare and use arrays. The types and quantity of items that must be included for an array must be specified by the programmer.

Solution Explained:

The sequential search algorithm is the simplest method to search for a number in an organized array since the function checks each element in the array, starting from the first and ending with the last one, to see if it matches the desired value. As soon as a match is discovered, the function returns the index of the element whose value corresponds to the desired value.

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The way that you add pictures to your presentation is by option C: Select the Text Box option.

After clicking the image, select the Format Picture tab. Select Picture Effects, then point to a certain effect type before selecting the desired effect. Click Options at the bottom of any effect menu to customize the effect.

Therefore, One can also do so by:

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Answer:

The most significant response to the demands of individual learning is the development of personalized learning.

Aser:

Explanación:

para tu rspuesta tiens que explicar que participar en reuniones no es solo discuciones solo aprender de la pregunta

Using the knowledge in computational language in python  it is possible to write a code that  asks the user for a string, then searches the alice.txt file and returns the number of times that string occurs in the file.

def count_letter(content, letter):

 """ Count the number of times `letter` appears in `content`."""

 if (not isinstance(letter, str)) or len(letter) != 1:

   raise ValueError('`letter` must be a single character string.')

 return len([char for char in content if char == letter])

def count_letter(content, letter):

 """Count the number of times `letter` appears in `content`.

 Args:

   content (str): The string to search.

   letter (str): The letter to search for.

 """

 if (not isinstance(letter, str)) or len(letter) != 1:

   raise ValueError('`letter` must be a single character string.')

 return len([char for char in content if char == letter])

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Answer: Located in the back of the book, an index helps a reader locate key terms, concepts, and ideas that were referenced in the contents of your book. Each term or concept has a corresponding page number.

Explanation:

More people than ever utilize computers for everyday functions including banking, investing, shopping, and chatting. I think that this trend is having a negative effect on our society and economy. I think so because although our lives have been made easy by the computer doing such tasks for us, in later years technology will be so advanced that we wouldn't even have to lift a finger to do anything and if something happens to the computers who are doing our tasks for us, our bodies and minds won't be able to have the same strength it once had when these tasks were done manually by us. Even the jobs of many will be lost and there will be a lot of poverty if these computers take over the jobs of people doing these tasks manually. These are my reasons for this trend having a negative impact on our society and economy.

How has technological advancement affected our world?

Our world and way of life have undergone a transformation thanks to technology. In addition, technology for seniors has produced incredible tools and resources that have put practical information at our fingertips.

Multipurpose devices like smartphones and smartwatches are now possible thanks to modern technology. Nowadays, computers are more powerful, portable, and faster than ever. Along with all of these breakthroughs, technology has contributed to making our lives easier, faster, better, and more fun.

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The program for the class will be:

import java.util.Scanner;

class Gradecalculator

{

static String [] names=new String[5];

static char [] grades=new char[5];

static double [][] testscore=new double[5][4];

protected char[] calculate(double [][] testscore)

{

double total[]=new double[5];

for(int i=0;i<5;i++)

{

for(int j=0;j<4;j++)

{

total[i]=0;

}

}

for(int i=0;i<5;i++)

{

for(int j=0;j<4;j++)

{

total[i]=total[i]+testscore[i][j];

}

}

for(int i=0;i<5;i++)

{

total[i]=total[i]/4;

}

for(int i=0;i<5;i++)

{

if(total[i]>=90&&total[i]<=100)

grades[i]='A';

else if(total[i]>=80&&total[i]<90)

grades[i]='B';

else if(total[i]>=70&&total[i]<80)

grades[i]='C';

else if(total[i]>=60&&total[i]<70)

grades[i]='D';

else

grades[i]='F';

}

return(grades);

}

}

public class Grade extends Gradecalculator {

public static void main(String[] args) {

Scanner sc=new Scanner(System.in);

Grade ob=new Grade();

System.out.println("enter the name of students");

for(int i=0;i<5;i++)

{

System.out.println((i+1)+"student");

names[i]= sc.nextLine();

}

System.out.println("enter the test scores of students");

for(int i=0;i<5;i++)

{

System.out.println("STUDENT "+(i+1));

for(int j=0;j<4;j++)

{

System.out.println("TEST "+(j+1));

testscore[i][j]=sc.nextDouble();

if(testscore[i][j]>100)

{

System.out.println("in appropriate value TRY AGAIN");

j--;

continue;

}

}

}

System.out.println

("OK INPUT COMPLETE WANT TO KNOW THE FULL RESULTS Y/N");

String resp=sc.next();

ob.calculate(testscore);

if(resp.equals("Y"))

{

System.out.println("------------DISPLAYING RESULTS-----------") ;

System.out.println("STUDENT NAME \t\t GRADES");

for(int i=0;i<5;i++)

{

System.out.println(names[i]+"\t\t"+grades[i]);

}

System.out.println("want to check individual scores \n enter the student number");

int n=sc.nextInt();

try

{

System.out.println("STUDENT NAME "+names[n-1]+" GRADES "+grades[n-1]);

System.out.println("INDIVIDUAL TEST SCORES");

for(int i=0;i<4;i++)

{

System.out.println(testscore[n-1][i]);

}

}

catch(Exception e)

{

System.out.println("this student does not exist");

}

}

else

{

System.out.println("CLOSING");

}

}

}

A computer program is a set of instructions written in a programming language that a computer can execute.

Software includes computer programs as well as documentation and other intangible components. Source code refers to a computer program in its human-readable form.

In this case, the class in a program that allows the user to enter each student's name and his or her four test scores is illustrated.

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Using the knowledge in computational language in python it is possible to write a code that  prompts the user for their age and determines if they are a teenager.

from datetime import date

todayDate = date.today();

DOB = input("Please enter your Date of Birth: ");

currentYear = todayDate.year;

age = (int(currentYear) - int(DOB));

print(f'Your current age is: {age}');

print ("\n")

if age <= 5:

   print("You are a baby.")

elif age >= 5 and age < 13:

   print("You are a toddler")

elif age >= 13 and age < 18:

   print("You are an teenager")

elif age >= 18 and age < 60:

   print("You are an adult.")    

elif age >= 60:

   print("You are a senior Citizen")

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The program to input the student's name and marks obtained in four different subjects, find the total and average marks in Qbasic:

CLS

INPUT " Student Name ";  S

INPUT " English Marks ";  EM

INPUT " Maths Marks "; MM

INPUT " History Marks "; HM

INPUT " Geography Marks "; GM

INPUT " Marks in Total "; MT

LET TMS = EM + MM + HM + GM

LET p = TMS / MT * 100

PRINT " Student name is "; S

PRINT " Total "; TMS

PRINT " Percentage " ; p

END

What is QBasic?

QBasic is an integrated programming environment and interpreter for a number of QuickBASIC-based BASIC dialects. When code is entered into the IDE, it is first compiled into an intermediate representation (IR), which the IDE then executes on demand.

QBasic is incredibly simple to learn, use, and can construct corporate applications, games, and even basic databases. It provides commands like SET, CIRCLE, LINE, and others that let programmers draw using Qbasic.

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SATA is used to know how data is transferred

What is SATA?

Hard disc drives (HDDs), optical drives, and solid-state drives are examples of mass storage devices. Serial ATA (Serial Advanced Technology Attachment, or SATA) is a command and transport protocol that outlines how data is transferred between a computer's motherboard and these types of mass storage devices (SSDs).

features of SATA:

Serial SATA controller hardware, which also controls data flow, is used to link HDDs and SSDs to a computer's motherboard. The hard disc may be detected as a PATA device when SATA is in IDE mode. Performance is compromised, but the arrangement makes it easier to use with older technology.

Performance is improved when a SATA controller is set to Advanced Host Controller Interface (AHCI) rather than IDE mode. The hot switching of discs and external interfaces is supported by AHCI. Both AHCI capabilities and RAID data security features are supported by the RAID mode.

Hence to conclude using SATA we can increase the performance

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Using the knowledge in computational language in python  it is possible to write a code that  modify the following program to display the sales tax with two digits after the decimal point.

county_tax_rate = 0.02

state_tax_rate = 0.04

tax_rate = county_tax_rate + state_tax_rate

item_price = float(input("Please enter the price of your item: "))

item_price = int(100 * item_price) # Item price in cents

total_price = item_price * (1 + tax_rate) # Total price in cents

print("Your Total Sales Cost is ${:0.2f}".format(total_price / 100.0))

print("Your Purchase Amount was ${:0.2f}".format(item_price / 100.0))

print("Your County Tax Rate was {}%".format(int(county_tax_rate * 100)))

print("Your State Tax Rate was {}%".format(int(state_tax_rate * 100)))

print("Your Total Tax Rate was {}%".format(int(tax_rate * 100)))

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#include <iostream>

int main(int argc, char* argv[]) {

   int number, c=1; std::cin>>number;

   while(c<11) {

       std::cout << number << "x" << c << "=" << number*c << std::endl;

       c++;

   }    

   return 0;

}

Using the knowledge in computational language in JAVA it is possible to write a code that Assume planets is an ArrayList of Strings and it currently contains several elements.

ArrayList<Integer> intList=new ArrayList<Integer>();

   intList.add(1);

   intList.add(2);

ArrayList<String> strList=new ArrayList<String>();

   strList.add("Terra");

   strList.add("Marte");

   strList.add("Venus");

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Answer:

The answer does not exist

Explanation:

Other guy is wrong lol

The #NULL error in a cell mean there are plus signs in the formula. Thus, option A is correct.

If we try to open a file for reading when that file does not exist, we will get an error message. For example, in Java we will encounter a FileNotFoundException as in the code below:

try {

FileInputStream fis = new FileInputStream("myFile.txt");

DataInputStream dis = new DataInputStream(fis);

BufferedReader br = new BufferedReader(new InputStreamReader(dis));

String str = null; while ((str = br.readLine()) != null) {

If the file myFile.txt does not exist we can expect to see an exception stack trace corresponding to FileNotFoundException. Procedural programming is a type of computer programming language that specifies a series of well structured steps and procedures  within its development period of time.

It contains a systematic order of statements, functions and commands to complete a computational task or program. It is centered on creating procedures.

Therefore, The #NULL error in a cell mean there are plus signs in the formula. Thus, option A is correct.

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Moving large amounts of data closer to the center of the Cloud is termed as Edge Computing because Edge is about processing data more quickly and in greater volume close to the point of generation, enabling action-driven results in real time.

What is Edge Computing?

A variety of networks and devices that are at or close to the user are referred to as edge computing, an emerging computing paradigm.

Edge is about processing data more quickly and in greater volume close to the point of generation, enabling action-driven results in real time.

A distributed computing framework called edge computing brings business applications closer to data sources like IoT gadgets or regional edge servers.

Strong business advantages, including quicker insights, quicker response times, and better bandwidth availability, can result from being close to the source of the data.

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The minimum wage is highest is 1979 $2.90 69 if it had kept up with inflation since that year.

What is minimum wage?

A minimum wage is the lowest salary that businesses are legally permitted to pay their employees—the price floor below which employees are not permitted to sell their labour. By the end of the twentieth century, most countries had implemented minimum wage legislation. Companies frequently try to bypass minimum wage legislation by hiring gig workers, shifting labour to places with lower or nonexistent minimum wages, or automating job tasks because minimum wages increase the cost of labour. The minimum wage movement began as a means to prevent sweatshop workers from being exploited by employers who were deemed to have unfair negotiating power over them.

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What do you mean by deque?

Image result for deque

Deque is a data structure that inherits the properties of both queues and stacks. Additionally, the implementation of this data structure requires constant time, i.e., time complexity = O(1). This means you can use deque to your advantage to implement both the queue and stack.

Answer:

Looks like a number reverser

Explanation:

The loop copies the last digit, prints it, then removes it by dividing by 10.