Recently mobile phones have been used to pay for goods in stores and supermarkets.

One methodof payment involves holding the phone close to a reader in the store.Discuss the advantages and disadvantages of this method of payment compared with other methods of credit/debit card transactions.

Answers

Answer 1

Answer:

The advantages of using mobile phones to pay for goods in stores are;

1) The ability to pay for goods and/or services without having to carry a physical wallet, thereby making payments faster, more convenient, and safer as the contents of a money wallet or purse cannot be seen

2) The generation of security codes for each transactions, the use of PIN input and finger sprint scanning for payment, ensures access to payment authorization is limited and requires definitive authentication and that payment transactions will not need to be scrutinized by merchants to detect fraudulent transactions

3) Paying with the mobile phone increases privacy as the card used for payment will be known only to the person doing the payment, thereby a person can use a credit card with low limit without displaying them

The disadvantages of using mobile phones to pay for goods in stores includes;

1) The possibility of breach in security of the mobile phone during payment. Sensitive information of the mobile phone can be collected during payment and then used in other places without the permission of the owner of the phone

2) Mobile phone payment may not be suitable to people who prefer card or cash payment

3) The different mobile phone payment applications and platforms are not entirely compatible and can lead to payment challenges

Explanation:


Related Questions

Review the items below to make sure that your Python project file is complete. After you have finished reviewing your turtle_says_hello.py assignment, upload it to your instructor.

1. Make sure your turtle_says_hello.py program does these things, in this order:

Shows correct syntax in the drawL() function definition. The first 20 lines of the program should match the example code.

Answers

Code defines the drawL() function with the correct syntax and includes the required documentation string. The function takes a turtle object 't' as an argument, and draws an L shape using turtle graphics.

Define the term syntax.

In computer programming, syntax refers to the set of rules that dictate the correct structure and format of code written in a particular programming language. These rules define how instructions and expressions must be written in order to be recognized and executed by the computer.

Syntax encompasses a wide range of elements, including keywords, operators, punctuation, identifiers, and data types, among others. It specifies how these elements can be combined to form valid statements and expressions, and how they must be separated and formatted within the code.

To ensure that your turtle_says_hello.py program meets the requirement of having correct syntax in the drawL() function definition, you can use the following code as an example:

import turtle

def drawL(t):

   """

   Draws an L shape using turtle graphics.

   t: Turtle object

   """

   t.forward(100)

   t.left(90)

   t.forward(50)

   t.right(90)

   t.forward(100)

To ensure that your turtle_says_hello.py program is complete and correct.

1. Make sure that your program runs without errors. You can do this by running your program and verifying that it executes as expected.

2. Check that your program follows the instructions provided in the assignment. Your program should start by importing the turtle module, creating a turtle object, and define the drawL() function.

3. Verify that your drawL() function works as expected. The function should draw an "L" shape using turtle graphics. You can test this by calling the function and verifying that it draws the expected shape.

4. Ensure that your program ends by calling the turtle.done() function. This will keep the turtle window open until you manually close it.

5. Make sure that your code is properly formatted and indented. This will make it easier for others to read and understand your code.

6. Finally, ensure that your program meets any other requirements specified in the assignment. This might include things like adding comments or following a specific naming convention.

Therefore, Once you have verified that your program meets all of these requirements, you can upload it to your instructor for review.

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Dsl is an example of what type of internet access?.

Answers

Answer: Digital Subscriber Line (broadband connection)

This question has two parts : 1. List two conditions required for price discrimination to take place. No need to explain, just list two conditions separtely. 2. How do income effect influence work hours when wage increases? Be specific and write your answer in one line or maximum two lines.

Answers

Keep in mind that rapid prototyping is a process that uses the original design to create a model of a part or a product. 3D printing is the common name for rapid prototyping.

Accounting's Business Entity Assumption is a business entity assumption. It is a term used to allude to proclaiming the detachment of each and every monetary record of the business from any of the monetary records of its proprietors or that of different organizations.

At the end of the day, we accept that the business has its own character which is unique in relation to that of the proprietor or different organizations.

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Bryan's company is new and has limited funds to work with. He has been tasked with finding a telecommunications technology that will improve worker productivity on their latest project. So he doesn't go over budget, he must carefully consider all items that affect cost. His considerations include:

Answers

Answer:

Download Speed, Operating Costs, & Purchase Price.

Explanation:

He needs it quick and he's on a budget, so he's gonna be worried about these three things that fall under the categories.

You're welcome my fellow seeker.

A document used to convince a panel of potential funders to help a product, programor service become reality.

Answers

Answer:

Concept paper

Explanation:

A device receives a data link frame with data and processes and removes the Ethernet information. What information would be the next to be processed by the receiving device

Answers

The information that would be the next to be processed by the receiving device is: IP at the internet layer.

Internet protocol (IP)

Internet protocol is a network protocol that help to transmit data to user device across the internet or network which inturn make it possible for user device to connect and communicate over the network.

Internet protocol at the internet layer is a TCP/IP software protocol which sole purpose is to transfer data packets across the internet after receiving and processing the data.

Inconclusion the information that would be the next to be processed by the receiving device is: IP at the internet layer.

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virtual conections with science and technology. Explain , what are being revealed and what are being concealed​

Answers

Some people believe that there is a spiritual connection between science and technology. They believe that science is a way of understanding the natural world, and that technology is a way of using that knowledge to improve the human condition. Others believe that science and technology are two separate disciplines, and that there is no spiritual connection between them.

What is technology?
Technology is the use of knowledge in a specific, repeatable manner to achieve useful aims. The outcome of such an effort may also be referred to as technology. Technology is widely used in daily life, as well as in the fields of science, industry, communication, and transportation. Society has changed as a result of numerous technological advances. The earliest known technology is indeed the stone tool, which was employed in the prehistoric past. This was followed by the use of fire, which helped fuel the Ice Age development of language and the expansion of the human brain. The Bronze Age wheel's development paved the way for longer journeys and the development of more sophisticated devices.

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Q1) Suppose we are able to keep track of the types instructions that get executed by a program executing on a pipelined X86-64 processor. The program executes a total of 300 instructions. Of these 300 instructions there are 10 function calls, 80 conditional branches and 65 load instructions. 40 percent of conditional branches are taken and remaining are not taken by the program. Also, a third of load instructions produce load/use pipeline hazards during the execution. Calculate the load penalty (lp), misprediction penalty (mp), return penalty (rp) and cycles per instruction (CPI)

Answers

To calculate the load penalty (lp), misprediction penalty (mp), return penalty (rp), and cycles per instruction (CPI) for a program executing on a pipelined X86-64 processor, we need to use the given information about the types of instructions and their behavior during execution.

First, we can calculate the number of conditional branches that are taken by the program, which is 40% of 80 or 32 branches. The remaining 48 branches are not taken. The misprediction penalty (mp) is the number of mispredicted branches multiplied by the penalty cycles per misprediction. Assuming a misprediction penalty of 15 cycles, the mp for this program is 15 x 32 = 480 cycles.Next, we can calculate the number of load instructions that produce load/use pipeline hazards during execution, which is one-third of 65 or 21 instructions. The load penalty (lp) is the number of load instructions that produce hazards multiplied by the penalty cycles per hazard. Assuming a load penalty of 5 cycles, the lp for this program is 5 x 21 = 105 cycles.Finally, we can calculate the return penalty (rp), which is the penalty cycles for returning from a function call. Assuming a return penalty of 10 cycles, the rp for this program is 10 x 10 = 100 cycles, since there are 10 function calls in the program.

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Nolan attempted to open a Word document that contains a macro and received a security warning stating, "Macros
have been disabled." The warning contains the button "Enable Content."

What should he do?

A. Close it immediately and delete the file,
B. Check where the file originates from, and if it is a trusted source or his own document, click Enable Content,
C. Close the file and right-click and rename it before opening it again,
D. Keep the file open and save it with a different file name, disabling the warnings.

Answers

Answer:

B. Check where the file originates from, and if it is a trusted source or his own document, click Enable Content.

Explanation:

Answer:

B

Explanation:

Yolanda is trying to do more networking. How does she BEST demonstrate this effort?

A.
She fills out and submits four job applications every month.

B.
She reads the newspaper every day to look at job openings.

C.
She spends hours doing internet research about jobs each week.

D.
She attends conferences quarterly to introduce herself to people.

Answers

An effective networker should utilize both of their ears and mouth in proportion.

What is meant by networking?

Your ability to develop a mutually beneficial relationship will increase as you and your networking partner discover everything there is to know about one another more quickly. An effective networker should utilize both of their ears and mouth in proportion. Find ways to assist others by paying attention to their needs and problems. In 2022, communication, public speaking, active listening, confidence, and positivism will be some of the most crucial networking abilities. Some of the most helpful advice to enhance your networking is to be mindful of your body language, have a safety net, and ask open-ended inquiries. Information and ideas are shared through networking, typically in a casual social situation, between individuals who share a career or a particular interest. Therefore, the correct answer is option D. She attends conferences quarterly to introduce herself to people.

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What type of addressing in Excel allows you to reference a cell or range in another worksheet in the same workbook?
options:

a) Cross-sheet reference
b) Relative Reference
c) Worksheet Reference
d) Absolute Reference

Answers

The type of addressing in Excel that allows referencing a cell or range in another worksheet in the same workbook is called Worksheet Reference.

Worksheet Reference is a type of addressing in Excel that enables users to refer to a cell or range of cells in a different worksheet within the same workbook. This type of referencing is useful when users want to retrieve data from or perform calculations using data from multiple worksheets.

By using a worksheet reference, users can specify the name of the worksheet followed by an exclamation mark (!) and then indicate the cell or range they want to reference.

For example, if Worksheet2 contains data in cell A1 that needs to be referenced in Worksheet1, the formula in Worksheet1 could be "=Worksheet2!A1". This would retrieve the value in cell A1 of Worksheet2.

Worksheet referencing allows for seamless integration and data analysis across multiple sheets within a workbook. It simplifies data management, facilitates data consolidation, and enables users to create dynamic formulas and reports that pull data from different worksheets within the same file.

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process layouts require simple planning and control systems.

Answers

Process layouts require simple planning and control systems because, in a process layout, similar processes are grouped together. It enables better utilization of equipment and reduces material handling costs, thus making the planning and control systems less complicated and easier to manage.

Process layouts are a type of manufacturing layout in which similar machines are arranged together. In a process layout, the operations required to manufacture a product are organized according to the process used to make the item rather than by the item itself.

Production in process layouts is organized to maximize the use of machines and equipment. Process layouts require simple planning and control systems because they are less complicated to manage than product layouts. It is because the planning and control systems only need to track the flow of materials through the process rather than keeping track of various products being manufactured.

Process layouts have the following characteristics:

1. They are designed for the production of small numbers of items and a wide range of items.

2. Each item undergoes a similar manufacturing process, but it may require different processing times.

3. Machines and equipment are organized into departments according to their functions, and similar functions are grouped together.

4. Each department has its own quality control and inspection systems to ensure that the product meets the required specifications.

5. Material handling costs are minimized in process layouts because material movement is minimized and most of the work is done in one place.

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You have been assigned the task to store a number in a variable. The number is 51,147,483,647,321. You have different data types like Integer, Float, Char, and Double. Which data type will you use from the given data types to store the given number and why? Justify your answer with logical reasoning.

Answers

To store the number 51,147,483,647,321, the data type that can be used is long int. The reason why long int is the best choice is because it can store large values of data like 51,147,483,647,321 and it does not need any floating-point calculations.

A data type is a fundamental concept in programming. A data type specifies a particular type of data and defines a set of operations that can be performed on the data. In programming, data types are used to define variables. The data type of a variable determines the type of data that can be stored in the variable.

The best data type to use to store the number 51,147,483,647,321 is long int because it is a 64-bit integer that can store large values like 51,147,483,647,321. It is a perfect fit for the given number and it does not need any floating-point calculations. Thus, the long int data type is the best choice to store the number 51,147,483,647,321.

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Define cell in MS-Excel.​

Answers

Answer:

The intersection of rows and columns in a worksheet is called a cell

―Connectivity is Productivity‖- Explain the statements.

Answers

connectivity is productivity. It’s true for a modern office, and also for any place – for an undeveloped village.

can you fart and burp at the same time?

Answers

Answer:

Yes you can

Explanation:

Although farting and burping at the same time is a very rare phenomenon, it’s very possible. When this happens at the same time it is usually called a Furp.

This occurrence usually happens when there’s a lot of intake of foods which have a large percentage of gas . These gases often need to be expelled through processes such as burping and farting.

Edhesive 11.1 lesson practice please

Answers

Answer:

1. Bits

2. Bitrate

3. The amount of time it takes for bits to travel from one place to another.

4. Used to send bits wirelessly.

5. Cables that carry light and dramatically increase the speed and accuracy of information over the internet.

6. 8

7. The number of bits per second a system can transmit.

Explanation:

hey lol

In this exercise we have to use the knowledge in computational language in java to write the code.

This code can be found in the attached image.

So we have the code in a simpler way like:

public class Person{

private String firstName,lastName;

public Person(String first,String last)

{

firstName=first;lastName=last;

}

public int throwDisc(int pow)

{

if(pow<1){pow=1;}if(pow>10){pow=10;

}

return pow*2;

}

public String toString(){return lastName+", "+firstName;

}

}

public class Coach extends Person{

private String role;

public Coach(String first,String last,String rol)

{

super(first,last);role=rol;

}

public String toString(){return super.toString()+"\n Role: "+role;

}

}

import java.util.*;

public class UltimateTeam

{

private ArrayList<UltimatePlayer> players=new ArrayList<UltimatePlayer>();

private ArrayList<Coach> coaches=new ArrayList<Coach>();

public UltimateTeam(ArrayList<UltimatePlayer> p,ArrayList<Coach> c)

{

for(UltimatePlayer up:p){players.add(up);}for(Coach co:c)

{

coaches.add(co);

}

}public String getCutters()

{

String list="";for(UltimatePlayer p:players){if(p.getPosition().contains("cutter")){list+=p.toString()+"\n";}}return list;

}

public String getHandlers()

{

String list="";for(UltimatePlayer p:players){if(p.getPosition().contains("handler")){list+=p.toString()+"\n";}}return list;

}

public String toString()

{

String list="COACHES\n";for(Coach c:coaches)

{

list+=c.toString()+"\n";

}

list+="\nPLAYERS\n";for(UltimatePlayer p:players)

{

list+=p.toString()+"\n";

}return list;

}

}

public class Captain extends UltimatePlayer

{

private boolean type;

public Captain(String f,String l,String p,boolean t){super(f,l,p);

type=t;

}

public int throwDisc(int pow)

{

if(pow<1){pow=1;}if(pow>10)

{

pow=10;

}

return pow*5;

}

public boolean getType()

{

return type;

}

public String toString()

{

String off="";if(getType())

{

off="offense";

}

else{off="defense";

}

return super.toString()+"\n Captain: "+off;

}

}

public class UltimatePlayer extends Person

{

private int jerseyNumber=-1;

private static int id=0;

private String position="";

public UltimatePlayer(String f,String l,String p)

{

super(f,l);

if(p.contains("cutter"))

{

position="cutter";

}

else

{

position="handler";

}

id++;

jerseyNumber=id;

}

public String getPosition()

{

return position

}

public int throwDisc(int pow)

{

if(pow<1){pow=1;

}

if(pow>10){pow=10;

}

return pow*4;

}

public String toString()

{

return super.toString()+"\n Jersey #: "+jerseyNumber+"\n Position: "+position;

}

}

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Edhesive 11.1 lesson practice please
Edhesive 11.1 lesson practice please

Which software is used to play, create, and modify audio and video files?
software is used to play, create, and modify audio and video files.

Answers

Answer:

Adobe premiere pro, Maya.

Explanation:

There are many programs that do the following. I have listed two of the most well known softwares that can do this.

what do you think about when you enter school​

Answers

Answer:

i think my day is about to start and i'm going to get the chance to finally talk to my best friends on D!$C0rD, and then i think about how my parents are rUDe for not letting me talk to my friends. :/

Not again

Or

I’m going to end my life today

I don’t like school

Multiple Select
Which of the following statements about localization are true? Select 2 options.
The goal of localization is to create an application or site that looks and feels like it was created for a specific market.
Really the only issue in localization is translating the text into another language.
You should avoid slang and idioms, since they will not be understandable to many audiences.
It is a good idea to use lots of images, since they are easily understood by all cultures.
For consistency, it is a good idea to use dollars as a currency in all versions of an application

Answers

Answer:

A. The goal of localization is to create an application or site that looks and feels like it was created for a specific market.

B. Really the only issue in localization is translating the text into another language.

Explanation:

In Computer science, localization can be defined as the process of designing, developing and adaptation of computer software applications or websites for different languages and geographical regions with peculiar differences.

This ultimately implies that, the main purpose for localization of a product such as a website or software application is to ensure they are specialized and specifically suited for a linguistic or geographical region.

The following statements about localization are true;

I. The goal of localization is to create an application or site that looks and feels like it was created for a specific market.

II. Really the only issue in localization is translating the text into another language.

Answer:

C. You should avoid slang and idioms since they will not be understandable to many audiences.

A. The goal of localization is to create an application or site that looks and feels like it was created for a specific market.

are the answers

Explanation:

In which order do the problem solving steps happen?
*
A) Try, Define, Prepare, and Reflect
B) Reflect, Prepare, Try, and Define
C) Define, Prepare, Try and Reflect
D) Reflect, Try, Prepare, Define

Answers

Answer:c

Explanation:

Which filter gives a “squeezed” effect to an image?

Answers

Explanation:

When using the pinch filter, you simply select a percentage from -100 to 100 to pinch or squeeze your image. The Pinch filter squeezes a selection or layer inward or outward.

write a program that displays the first 50 prime numbers in descending order. use a stack to store prime numbers.

Answers

The program in Python that uses a stack to display the first 50 prime numbers in descending order goes as:

python

Copy code

def is_prime(num):

   if num < 2:

       return False

   for i in range(2, int(num**0.5) + 1):

       if num % i == 0:

           return False

   return True

def prime_numbers_stack():

   stack = []

   num = 2

   while len(stack) < 50:

       if is_prime(num):

           stack.append(num)

       num += 1

   while stack:

       print(stack.pop())

prime_numbers_stack()

What program helps to display first 50 prime numbers?

This program uses a stack to store prime numbers and iteratively checks numbers starting from 2. The is_prime function is used to determine if the number is prime or not.

If the number is prime, it will be added to the stack. Once its contains 50 prime numbers, they are printed in descending order by popping elements from the stack. So, its efficiently finds and displays the first 50 prime numbers using a stack data structure.

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What is the purpose of the CC option in an email?
A.
Create a carbon copy of the message.
B.
Save the message as a template for future use.
C.
Send a copy of the message to one or more people.
D.
Forward a message to multiple recipients.
( Edmentum MSE )

Answers

Answer:

c

Explanation:

send a copy of the messege

application of computer in the field of hotel management?​

Answers

Answer:

1) Computers are used extensively by lodging managers and their assistants to keep track of guests' bills, reservations, room assignments, meetings, and special events. In addition, computers are used to order food, beverages, and supplies, as well as to prepare reports for hotel owners and top-level managers.

Explanation:

Simplest Technologies developed a complete Hotel Management System application, designed for multiple computers via LAN. It features a whole range of integrated modules including front desk, housekeeping, restaurant management, statistics, and MIS reports.

This innovative Hotel Management System offers you unmatched flexibility in managing your day-to-day business operations. Starting from the interactive system of effectively managing hotel rooms with multiple rates like individual rates and the corporate rate to preparing review reports and MIS reports and all kinds of sales reports with a wide range of statistics, this Complete Hotel Management System is worth in the business proposition.

There are many different uses for computers in hotels. The first would be at the front desk. These computers have intricate software called the Property Management System (PMS) to do all the check-ins, guest accounting, etc. The most famous is Opera or Sabre.

Second, in the restaurant, lounge, or bar is a new computer entirely called a Point of Sale System (POS). This will collaborate with a PMS to bill guests for a meal, etc, but can also be used as a cash register. The third is the computer in the sales office, which software is most likely Delphi which is a booking terminal.

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Assignment 4: Divisible by Three
ProjectSTEM
hello! I have no clue at all how to do this and need help.

Assignment 4: Divisible by Three ProjectSTEMhello! I have no clue at all how to do this and need help.
Assignment 4: Divisible by Three ProjectSTEMhello! I have no clue at all how to do this and need help.

Answers

For iterating through a series, use a for loop. This functions more like an iterator method seen in other object-oriented programming languages and is less like the for keyword found in other programming languages.

How to write program in loop ?

A high-level, all-purpose programming language is Python. Code readability is prioritised in its design philosophy, which makes heavy use of indentation. Python uses garbage collection and has dynamic typing. It supports a variety of programming paradigms, such as functional, object-oriented, and structured programming.

A while loop in Python is used to repeatedly run a block of statements up until a specified condition is met. And the line in the programme that follows the loop is run when the condition changes to false.

We can write the code in a simple way like this below :

n = int(input("How many numbers do you need to check? "))

divisible  = 0

notdivisible  = 0

for x in range(n):

 num = int(input("Enter number: "))

 if num % 3== 0:

     divisible += 1

     print(str(num)+" is divisible  by 3")

 else:

     notdivisible += 1

     print(str(num)+" is not divisible by 3")

print("You entered "+str(divisible )+" even number(s).")

print("You entered "+str(notdivisible )+" odd number(s).")

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Answer:n = int(input("How many numbers do you need to check? "))

divisible  = 0

notdivisible  = 0

for x in range(n):

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

if num % 3== 0:

    divisible += 1

    print(str(num)+" is divisible  by 3.")

else:

    notdivisible += 1

    print(str(num)+" is not divisible by 3.")

print("You entered "+str(divisible )+" number(s) that are divisible by 3.")

print("You entered "+str(notdivisible )+" number(s) that are not divisible by 3.")

Explanation:

For that one that's I'm on python <3

You want to use a computer to make a painting of your backyard to go along with a story you wrote. Which software would be appropriate? Choose all that apply.
Adobe Photoshop
LibreOffice Calc
LibreOffice Draw
Internet Explorer
GIMP

the answer is A, C, E

Answers

Answer:

A, C, and E

Explanation:

I did the math

What would be the result after the following code is executed? int[] numbers = {40, 3, 5, 7, 8, 12, 10}; int value = numbers[0]; for (int i = 1; i < numbers.length; i++) { if (numbers[i] < value) value = numbers[i]; } The value variable will contain the highest value in the numbers array. The value variable will contain the sum of all the values in the numbers array. The value variable will contain the average of all the values in the numbers array. The value variable will contain the lowest value in the numbers array.

Answers

Answer:

The value variable will contain the lowest value in the numbers array.

Explanation:

Given

The given code segment

Required

The result of the code when executed

The illustration of the code is to determine the smallest of the array.

This is shown below

First, the value variable is initialized to the first index element

int value = numbers[0];

This iterates through the elements of the array starting from the second

 for (int i = 1; i < numbers.length; i++) {

This checks if current element is less than value.

     if (numbers[i] < value)

If yes, value is set to numbers[i]; which is smaller than value

value = numbers[i];

Hence, the end result will save the smallest in value

Pratibha is working in a bank. She is creating a database to store the details of the bank customers. Which of the following fields of table Bank_Customer can be selected as primary key?​

Answers

Answer:

Acc_No

Explanation:

Given

See attachment for table Bank_Customer

Required

Which field can be used as primary key

A field, once made the primary key, cannot contain duplicate entries.

This means that Pratibha has to select a field that can be unique to all customers.

From the table, we have:

Acc_No \(\to\) No two customers can have the same account number

Cust_Name \(\to\) Multiple customers can have the same name

DOB \(\to\) Multiple customers can have the same date of birth

PAN_NO \(\to\) No two customers can have the same pan number; however, pan number is often issued by tax department of a country.

Opening_Bal \(\to\) Multiple customers can have the same opening balance,

Hence, the field to use as primary key is:

Acc_No

Pratibha is working in a bank. She is creating a database to store the details of the bank customers.

Ntp is a protocol developed at ud for getting the current time from a machine that has the precise time. When using ntp, which end-host is the client, and which is the server?

Answers

In the case of NTP, the client is typically the machine that needs to obtain the current time, and the server is the machine that provides the precise time information.

In the context of the Network Time Protocol (NTP), the client-server model is used to synchronize the time between machines. The client is typically the end-host that requests the current time from a machine that has a more precise time reference, which acts as the server.

In this case, the client end-host initiates the time synchronization process by sending a request to the server. The server, which is a machine with a more accurate time source, responds to the client's request by providing the current time information. The client then adjusts its local clock based on the information received from the server.

Therefore, the client is the end-host that seeks to obtain the precise time, and the server is the machine that provides the time information in the NTP protocol.

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