Vẽ sơ đồ DFD cho của hàng bán điện thoại ( Môn phân tích và thiết kế hệ thống thông tin)

Mathematically, 10+2 is 12. So your answer is correct. However, if you are trying to write a code that adds 10 + 2, you may need to troubleshoot the code to find where the bug is.

Troubleshooting is described as the process through which programmers detect problems that arise inside a specific system. It exists at a higher level than debugging since it applies to many more aspects of the system.

As previously stated, debugging is a subset of troubleshooting. While debugging focuses on small, local instances that can be identified and fixed in a single session, troubleshooting is a holistic process that considers all of the components in a system, including team processes, and how they interact with one another.

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The electromagnet overcurrent gets stronger as the number of coils is doubled because a stronger magnetic field results from more coils.

The power of an electromagnet doubles with every additional coil .This is because the number of coils controls how much current flows through the electromagnet, and the stronger the magnetic field produced by the electromagnet, the more current that flows. The magnetic field's strength grows according to the number of coils, therefore doubling the coil count doubles the magnetic field's intensity. The electromagnet will be able to retain its strength for a longer period of time since adding coils lengthens the time it takes for the current to dissipate .An electromagnet's strength may be effectively increased by doubling the number of coils.

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Answer:

34

Explanation:

You use pemdas

Use the modulus operator to find the remainder of userVal divided by 10, then assign it to onesDigit variable.

You need to assign the ones place digit of the input value to the variable 'onesDigit'.

You can achieve this by using the modulo operator '%' to get the remainder when 'userVal' is divided by 10.

This will give you the ones place digit.

Here's the modified code:

#include <iostream>

using namespace std;

int main() {

   int userVal;

   int onesDigit;

   cin >> userVal;

   onesDigit = userVal % 10;

   cout << "The value in the ones place is: " << onesDigit << endl;

}

This code reads an integer 'userVal' from the user and assigns its ones place digit to 'onesDigit'.

Finally, it prints out the result.

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Answer: logic circuits

Explanation:

Answer:

hope this helps.

Explanation:

import java.util.*;

class Timeconvert{ //class nane

public static String convertTime(int totalSeconds) /* fn to convert seconds to hh:mm:ss format */

{

int sec = totalSeconds; // a copy of totalSeconds is stored in sec

int m=sec/60; //to find the total min which obtained by doing sec/60

int psec=sec%60; //psec store remaining seconds

int hrs=m/60; //stores hr value obtained by doing m/60

int min=m%60; //stores min value obtained by m%60

return (hrs + ":" + min+ ":" +psec);// returning that string

}

}

public class Main

{

  public static void main(String[] args) {

  Timeconvert t = new Timeconvert();

  Scanner in = new Scanner(System.in); //Scanner class

System.out.println("Enter the number of seconds:");

int sec = in.nextInt(); //to input number of seconds

System.out.println("hours:minutes:seconds is " + t.convertTime(sec)); //result

  }

}

A string can hold a sequence of characters, such as a name.

A string is frequently implemented as an array data structure of bytes (or words) that records a sequence of elements, typically characters, using some character encoding. A string is typically thought of as a data type. Data types that are character strings are the most popular.

Any string of letters, numerals, punctuation, and other recognized characters can be stored in them. Mailing addresses, names, and descriptions are examples of common character strings.

Therefore, a string is capable of storing a group of characters, such as a name.

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The BNF description, or BNF Grammar, of the precedence and associativity rules are

\(<identifier>\text{ }::=a|b|c|d|e\)

\(<operand>\text{ }::=\text{ }NUMBER\text{ }|\text{ }<Identifier>\)

\(<factor>\text{ }::=\text{ }<operand>|\text{ }-<operand>|\text{ }(<expression>)\)

\(<power>\text{ }:=\text{ }<factor>\text{ }|\text{ }<factor>\text{**} <power>\)

\(<term>\text{ }::=\text{ }<power>\text{ }\\|\text{ }<term>*<power>\text{ }\\|\text{ }<term>/<power>\\\\<expression>\text{ }::=\text{ }<term>\text{ }\\|\text{ }<expression>+<term>\text{ }\\|\text{ }<expression>-<term>\)

BNF, or Backus-Naur Form, is a notation for expressing the syntax of languages. It is made up of a set of derivation rules. For each rule, the Left-Hand-Side specifies a nonterminal symbol, while the Right-Hand-side consists of a sequence of either terminal, or nonterminal symbols.

To define precedence in BNF, note that the rules have to be defined so that:

To make sure that the expression is properly grouped, or associativity is taken into account,

        \(<power>\text{ }:=\text{ }<factor>\text{ }|\text{ }<factor>\text{**} <power>\)

        and not

        \(<power>\text{ }:=\text{ }<factor>\text{ }|\text{ }<power>\text{**}<factor>\)

        \(<term>\text{ }::=\text{ }<power>\text{ }\\|\text{ }<term>*<power>\text{ }\\|\text{ }<term>/<power>\)

        \(<expression>\text{ }::=\text{ }<term>\text{ }\\|\text{ }<expression>+<term>\text{ }\\|\text{ }<expression>-<term>\)

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Answer:

This should get you started. Many things could be improved. You could keep adding layers to this program if you wanted to, so I wrote it with that in mind.

The new salary depends on the employee's department and current salary. I created a class that represents each employee. The function looks at the employee's current salary, and looks up what the employee's department raise will be (using the dictionary/hash table) before performing the calculation.

Answer:

ertyuiopoijuhgfdsa hiyoufun tresdfghytrefgytredfg

Explanation:

look for the words

Answer:

here is your answer ......

hope it helps......

Answer:

python is better

Explanation:

because its my favourite

Sure. Here are the differences and similarities between a database, DBMS, database system, and database application:

Database: A database is a collection of data that is organized in a way that makes it easy to retrieve and use. Databases can be used to store all sorts of data, including customer information, product inventory, financial records, and more.

DBMS: A database management system (DBMS) is a software application that helps users create, maintain, and use databases. DBMSs provide a number of features that make it easier to work with databases, such as:

Data definition: The ability to define the structure of a database, including the tables, columns, and relationships between them.

Data manipulation: The ability to insert, update, delete, and query data in a database.

Data security: The ability to control who has access to a database and what they can do with the data.

Data performance: The ability to optimize the way data is stored and accessed, which can improve performance.

Data scalability: The ability to scale up a database to handle large amounts of data.

Database system: A database system is a combination of a database and a DBMS. A database system provides all of the features of a DBMS, as well as the data itself.

Database application: A database application is a software application that uses a database to store and retrieve data. Database applications can be used for a variety of purposes, such as:

Managing customer information

Tracking inventory

Processing financial transactions

Generating reports

Here are some examples of databases, DBMSs, database systems, and database applications:

Database: The customer database at a retail store.

DBMS: MySQL, Oracle, SQL Server, PostgreSQL.

Database system: The combination of a database and a DBMS, such as the MySQL database system.

Database application: The software application that uses a database to store and retrieve data, such as the customer relationship management (CRM) application at a retail store.

I hope this helps! Let me know if you have any other questions.

Answer:

jkl;

Explanation:

Answer:

on jkl

Explanation:

the only option on the right side

An operating system (OS) is a system software program that operates, manages, and controls the computer's hardware and software resources. The OS establishes a connection between the computer hardware, application programs, and the user.

Its primary function is to provide a user interface and an environment in which users can interact with their machines. The OS also manages the storage, memory, and processing power of the computer, and provides services like security and network connectivity.

Examples of popular operating systems are Windows, macOS, Linux, iOS, and Android. These OSs have different user interfaces and feature sets, but they all perform the same essential functions. The OS is a fundamental component of a computer system and is responsible for ensuring the computer hardware operates efficiently and correctly.

The OS performs several key tasks, including:

1. Memory management: Allocating memory to applications as they run, and releasing it when the application closes.
2. Processor management: Allocating processor time to different applications and processes.
3. Device management: Controlling input/output devices such as printers, scanners, and other peripherals.
4. Security: Protecting the computer from malware, viruses, and other threats.
5. User interface: Providing a graphical user interface that enables users to interact with their machine.

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Machine learning bias, also known as algorithm bias or artificial intelligence bias, is a phenomenon that happens when an algorithm generates results that are systematically biased as a result of false assumptions made during the machine learning process.

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A recursive function called PrintNumPattern() outputs the given number pattern as follows:

       cout << start << " ";

       if (start > 0) {

      PrintNumPattern(start - delta, delta);

      cout << start << " ";

      }

      }

     void main()  

     {  

    PrintNumPattern(12, 3);

     }

A recursive function may be defined as a type of function that effectively repeats or uses its own previous term to calculate subsequent terms and thus forms a sequence of terms. It basically involves computing factorials.

According to the context of this question, a recursive function is a function that calls itself during its execution. The process may repeat several times, outputting the result and then letting the information execute again and again.

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Answer:

To protect all the connected virtual machines with Azure Bastion, the minimum number of Azure Bastion hosts that you must deploy is 2.

Explanation:

Azure Bastion provides secure and seamless RDP and SSH access to virtual machines directly through the Azure portal, eliminating the need to expose them to the public internet. Each Azure Bastion host provides connectivity to virtual machines within a single virtual network.

In this scenario, you have four virtual networks (VNet1, VNet2, VNet3, and VNet4) located in two different regions (West US and East US). Since VNet1 and VNet2 are in the same region (West US), you can deploy one Azure Bastion host in that region to provide access to the 12 virtual machines (5 in VNet1 and 7 in VNet2).

For VNet3 and VNet4, which are located in the East US region, you would need another Azure Bastion host to provide access to the 14 virtual machines (10 in VNet3 and 4 in VNet4).

Therefore, the minimum number of Azure Bastion hosts required is 2, with one host deployed in the West US region and another host deployed in the East US region.

Answer:

a place where people study space is a Spacey agent

Answer:

C It is believable or trust worthy

Answer:

It's C: It is believable or trustworthy.

Explanation:

I got it right.

Answer:

Here is the program to create an array of size m X n and print the sum of all the numbers row wise in Java:

```

import java.util.Arrays;

public class ArraySumRowWise {

   public static void main(String[] args) {

       int m = 3;

       int n = 4;

       int[][] arr = {{1, 2, 3, 4}, {5, 6, 7, 8}, {9, 10, 11, 12}};

       // Print the original array

       System.out.println("Original Array:");

       for (int[] row : arr) {

           System.out.println(Arrays.toString(row));

       }

       // Compute and print the row wise sum

       System.out.println("Row Wise Sum:");

       for (int i = 0; i < m; i++) {

           int rowSum = 0;

           for (int j = 0; j < n; j++) {

               rowSum += arr[i][j];

           }

           System.out.println("Row " + (i+1) + ": " + rowSum);

       }

   }

}

```

Explanation:

In this program, we have created an array of size 3 X 4 and initialized it with some values. We have then printed the original array and computed the row wise sum by iterating over each row and adding up all the elements. Finally, we have printed the row wise sums. You can replace the values of m, n, and arr with your own values to test the program with different array sizes and values.

Answer:

isum = 0

for i in range(99,0,-1):

   isum = isum + i

print(isum)

Explanation:

This line initializes isum to 0

isum = 0

The following iteration starts from 99 and ends at 1

for i in range(99,0,-1):

This line adds the series

   isum = isum + i

This line prints the sum of the series

print(isum)

The program that will add up the series of numbers: 99, 98, 97… 3, 2, 1 is represented as follows using for loop, the range() function and one print() function.

sum = 0

for i in range(1, 100):

   sum += i

print(sum)

The code is written in python.

The variable sum is initialise to zero.

For loop is used to loop through the range of number 1 to 100(excluding 100).

Then the numbers are added to the sum initialised to zero.

The total sum is then printed.

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The PHP code is given below:

if(isset($_REQUEST['login_btn'])){

       $email = filter_var(strtolower($_REQUEST['email']),FILTER_SANITIZE_EMAIL); //strtolower changes email to all lower case

       $password = strip_tags($_REQUEST['password']);

The remaining code is in the file attached.

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In the given 3-bit counter, the next state of A, B, and C (represented as A', B', and C') depends on the current state ABC.

The sequence is 0-1-2-4-3-5-7-6 (in binary: 000, 001, 010, 100, 011, 101, 111, 110).

The simplified next state equations for D flip-flops are:

A' = A ⊕ B ⊕ C

B' = A · B ⊕ A · C ⊕ B · C

C' = A · B · C

This counter follows the mentioned sequence and recycles back to 0 after reaching the state 6 (110). These equations can be implemented using XOR and AND gates connected to D flip-flops.

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Answer:

B Is actually the correct answer

Answer:

A good administrative position to acquire as a stepping stone to future positions is an intern.

Explanation:

When an individual is an intern within an administrative sector, he will be able to learn many concepts and guidelines of this type of work, getting involved in various areas within the sector and accumulating knowledge that will serve him to occupy greater positions within the sector.

In this case, being a trainee is a better option due to the exchange of areas in which he can participate and which will show where his greatest capacities are concentrated within an administrative sector.

Answer:

False

Explanation:

The int() function is a built-in function found in Python3. This function can be used on floating-point values as well as strings with numerical values, etc. Once used it will convert the floating-point value into an integer whole value. However, it will always round the value down to the nearest whole number. This means that both 3.2 and 3.7 will return 3 when using the int function.

The int() does not perform rounding up/down of a float. It only print the

integer.

The int() function in python converts any specified number into an integer. It  

does not round the decimal up or down.

For example

x = 20.90

y = int(x)

print(y)

Normally the float number of x (20.90) is suppose to be rounded up to 21 but

python int() function only takes the whole number i.e. the integer number

The program above will print an integer of 20. There is no rounding up or

down for python int() function.

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Hold meetings with the team function  to discuss progress and make sure tasks are finished: organising. Planning: Assess the existing state of the organisation and define goals. Choose the best resources.

The four components of management are planning, organizing, leading, and controlling. To succeed as a manager, you must manage your workload and team while engaging in all four of these activities.

Planning, organizing, staffing, leading, and managing are the five general responsibilities that make up management at its most basic level. These five responsibilities are a part of a corpus of guidelines and management-related beliefs.

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