A grocery franchise has one or more stores identified by a location. At each store, many products are available. Each product has a numeric ID, name, price, category, and aisle stock. Products belong to two broad classifications: perishable and non-perishable. Perishable products have an expiration date. Products are displayed in exactly one of many aisles that are identified by their aisle number. An aisle contains several products. Aisles are restocked by inventory at the back of the store. Each product has an associated product inventory with a store stock; this stock is used to resupply the product stock in an aisle. Some products may be out of stock. Customers purchase products from the store. Customer data is collected, primarily their name, address, and payment card (if they do not use cash). All transactions are archived in the database, connecting the product and customer along with the day and time of purchase.


Required:

a. Create an Entity-Relationship Diagram that accurately models this data. Your diagram should include appropriate entities, relationships, and inheritance if necessary.

b. Create a Relational Diagram based on the ER Diagram from Part 1.

Answers

Answer 1

The Entity-Relationship (ER) diagram for the given scenario includes entities such as Store, Product, Aisle, Inventory, Customer, and Transaction. The relationships between these entities capture the associations and dependencies between them, enabling a comprehensive representation of the data model.

The ER diagram consists of several entities and their relationships. The central entity is the Store, which represents the grocery franchise. Each Store has one or more Aisles, identified by their aisle number. Aisle is associated with Product, as it contains several products. Product has attributes such as ID, name, price, category, and aisle stock. Additionally, Product is classified into two subclasses: Perishable and Non-Perishable, with Perishable products having an expiration date.

Each Aisle is restocked from the Inventory, which is associated with the Store. Inventory maintains the stock of products in the store. The Customer entity captures data such as name, address, and payment card details. Customers make Transactions, which connect the Product and Customer entities along with the date and time of purchase.

The relationships between these entities are represented using appropriate notation, such as one-to-many (1:N) or one-to-one (1:1) relationships. The ER diagram captures the structure and associations between the entities, providing a visual representation of the data model.

From the ER diagram, a Relational Diagram can be derived, which maps the entities and their attributes into relational database tables. The tables would have primary and foreign keys to establish the relationships between them. Additional tables can be created to represent subclasses and many-to-many relationships, if necessary. The resulting relational diagram would provide a structured representation of the data model that can be implemented in a relational database management system.

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Related Questions

Which tab on the Ribbon contains the command to print a publication?

File

Home

Insert

Page Design

Answers

Answer:

File

Explanation:

Click on the File ribbon and find the print option.

Answer:

File is your answer =)

Explanation:

Consider the following method.
// precondition: x >= 0
public void mystery (int x)
{
if ((x / 10) != 0)
{
mystery (x / 10);
}
System.out.print (x % 10);
}
Which of the following is printed as a result of the call mystery (123456) ?

Answers

Thank you please answer my other questions from today

The output of the method call mystery(123456) will be 123456 printed on the console. The correct option is B.

What is programming?

Programming is a technological process that instructs a computer on which tasks to perform in order to solve problems.

The output of the method call mystery(123456) will be 123456 printed on the console.

The mystery method takes an integer argument x and prints the digits of x in reverse order recursively. The base case is when x is less than 10 (i.e., only one digit is left to print).

Otherwise, the method calls itself with x/10 to remove the rightmost digit, then prints the remainder of x divided by 10 (i.e., the rightmost digit).

In the case of mystery(123456), the method is called recursively as follows:

mystery(12345) prints 6mystery(1234) prints 5mystery(123) prints 4mystery(12) prints 3mystery(1) prints 2

Finally, the method is called with mystery(0) (the base case), and nothing is printed. Therefore, the output on the console is 123456.

Thus, the correct option is B.

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Your question seems incomplete, the probable complete question is:

Consider the following method.

// precondition: x >= 0

public void mystery (int x)

{

if ((x / 10) != 0)

{

mystery (x / 10);

}

System.out.print (x % 10);

}

Which of the following is printed as a result of the call mystery (123456) ?

A) Many digits are printed due to infinite recursion.

B)123456

C)654321

D) 16

E) 56

WHAT DOES THE SCRATCH CODE BELOW DO?

WHAT DOES THE SCRATCH CODE BELOW DO?

Answers

Answer:

the first one

Explanation:

25 points select 3 options!!!!!!!!!!!!!!!!!!!!!!!!!
Some disadvantages of ethical codes are that _____.

!!!!!!!!!!Select 3 options!!!!!!!!!!!!!!

A. there is no legal authority to prosecute offenders

B. the code is broad enough to cover all issues

C. people can abuse intellectual property law

D. the ethical code can be changed at anytime

E. specific details are not covered in the code

Answers

Answer:

Some disadvantages of ethical codes are that _____.

Answers:

specific details are not covered in the code

there is no legal authority to prosecute offenders

people can abuse intellectual property law

Ex:

Got it right on my assignment.

Answer:Below

Explanation:

25 points select 3 options!!!!!!!!!!!!!!!!!!!!!!!!!Some disadvantages of ethical codes are that _____.

what dose a hard drive do

Answers

Answer:

What does a hard drive do? Simply put, a hard drive stores data. On a computer, this includes all of your photos, videos, music, documents, and applications, and beyond that, the code for your computer's operating system, frameworks, and drivers are stored on hard drives too.

what is a critical consideration on using cloud-based file sharing?

Answers

What is a critical consideration on using cloud-based file sharing and storage applications on your Government-furnished equipment (GFE)? Determine if the software or service is authorized. A coworker wants to send you a sensitive document to review while you are at lunch and you only have your personal tablet.

The phrase "consideration" refers to something that is and should be borne in mind when making a choice, analyzing data, etc, and the further calculation can be defined as follows:

A coworker wants you to email you a crucial document to analyze once you're at lunch and you can only use your tablet. This is an important issue when using fog file sharing and storage programs on your government-provided equipment.The authorization function ensures that users have authorized to enter a specific resource. Authentication could be accomplished using job network access or ranking security systems.

Therefore, the final answer is "Determine if the software or resource is permitted".

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what is a critical consideration on using cloud-based file sharing?

which is the best software program

Answers

Answer:

The question "which is the best software program" is quite broad, as the answer can depend on the context and what you're specifically looking for in a software program. Software can be developed for a myriad of purposes and tasks, including but not limited to:

- Word processing (e.g., Microsoft Word)

- Spreadsheet management (e.g., Microsoft Excel)

- Graphic design (e.g., Adobe Photoshop)

- Video editing (e.g., Adobe Premiere Pro)

- Programming (e.g., Visual Studio Code)

- 3D modeling and animation (e.g., Autodesk Maya)

- Database management (e.g., MySQL)

- Music production (e.g., Ableton Live)

The "best" software often depends on your specific needs, your budget, your experience level, and your personal preferences. Therefore, it would be helpful if you could provide more details about what kind of software you're interested in, and for what purpose you plan to use it.

What tools or services rely on Security Center to be active and running to function well? (Select two.)

Answers

The two tools or services that rely on Security Center to function well are:

Windows Defender Antivirus: Security Center provides a central interface for managing and monitoring antivirus protection. It relies on Security Center to gather information about antivirus status and initiate actions such as scanning and updating.A central management and monitoring interface for antivirus protection is offered by Windows Defender Antivirus: Security Centre. It uses Security Centre to obtain data on the condition of the antivirus software and to start processes like scanning and upgrading.

Windows Firewall: Security Center integrates with Windows Firewall to monitor and manage firewall settings. It provides notifications and alerts regarding firewall status and configuration. Windows Firewall relies on Security Center to ensure proper functioning and coordination with other security features.

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what do you mean by Information Technology explain​

Answers

information technology is the use of computers to store, retrieve, transmit and manipulate data or information.

Edhisive 4.9 lesson practice what variable is used to track the amount of loops that have been executed

Answers

Your question does not make clear which programming language you are interested in learning about, and the solution to a query about keeping track of loop iterations varies depending on the programming language and type of loop being used.

Define for loops.

A for-loop or for-loop in computer science is a control flow statement that specifies iteration. A for loop works specifically by constantly running a portion of code up until a predetermined condition is met. A header and a body are the two components of a for-loop.

A "For" Loop is employed to repeatedly run a given block of code a certain number of times. We loop from 1 to that number, for instance, if we wish to verify the grades of each student in the class. We utilize a "While" loop when the number of repetitions is unknown in advance.

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To _______ you worksheet, click (save button hard drive). The Save As dialog box opens.

Answers

To save your worksheet, click the "Save" button.

The "Save As" dialog box opens if it's the first time you're saving the worksheet, or if you want to save the worksheet with a different name or in a different location.

To save your worksheet in Microsoft Excel, you can use the "Save" button or the keyboard shortcut "Ctrl + S".

This will save the worksheet using its current file name and location. If this is the first time you are saving the worksheet, Excel will prompt you to choose a location and file name for the worksheet using the "Save As" dialog box.

The "Save As" dialog box allows you to choose a location on your computer or network to save the worksheet and also gives you the option to change the file name.

The worksheet, such as a CSV file, PDF, or XPS.

Excel will automatically add the appropriate file extension based on the file type you choose.

In addition to the "Save As" dialog box, Excel also provides other options for saving your worksheet.

To save a copy of the worksheet in a different location or with a different file name using the "Save a Copy" option.

You can also save the worksheet as a template or save it to your OneDrive or SharePoint account if you have those services available.

Saving your worksheet regularly is important to ensure that you do not lose any work in case of a power outage or system crash.

It is a good practice to save your worksheet frequently while you are working on it, especially if you are making significant changes or additions.

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which of these are examples of skills?

Answers

Answer:

bruh

Explanation:

momento

Is it a multiple choice question? You’re not giving us much to work with here.

A pedometer treats walking 1 step as walking 2.5 feet. Define a function named FeetToSteps that takes a double as a parameter, representing the number of feet walked, and returns an integer that represents the number of steps walked. Then, write a main program that reads the number of feet walked as an input, calls function FeetToSteps() with the input as an argument, and outputs the number of steps.

Answers

In computing, it should be noted that a program is a specific set of ordered operations that is given to the computer to perform. The program based on the information given is illustrated below

How to depict the program?

The program will be:

import java.util.Scanner;

public class LabProgram {

   public static int feetToSteps(double userFeet){

       return (int) (userFeet/2.5);

   }

   public static void main(String[] args) {

       Scanner in = new Scanner(System.in);

       double userFeet = in.nextDouble();

       int steps = feetToSteps(userFeet);

       System.out.println(steps);

   }

}

In conclusion, the program is shown above.

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Using New Formatting Rule
Order the steps to use a logical argument as a rule type.

Answers

The step that is taken in order to use a logical argument as a rule type is as follows:

Click the home tab, click conditional formatting, click new rule, and use the formula to determine.

What are the three stages to create a logical argument?

The three stages that are used to create a logical argument are as follows:

Stage one: Premise.Stage two: Inference. Stage three: Conclusion.

If you want to use a logical argument as a rule type, you have to follow basic guidelines, which are as follows:

Select the range of cells, the table, or the whole sheet to that you want to apply conditional formatting. On the Home tab, click Conditional Formatting. Click New Rule. Select a style, for example, 3-Color Scale, select the conditions that you want, and then click OK.

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are there are any differences between the receiver side of protocol rdt3.0. and the receiver side of protocol rdt2.2? if any, please explain how you will modify the fsm of the receiver side of protocol rdt2.2 to become the fsm of the receiver side of protocol rdt3.0?

Answers

One of the main differences is that rdt3.0 includes a selective repeat mechanism, which allows the receiver to acknowledge and store out-of-order packets, while rdt2.2 uses a stop-and-wait mechanism, which requires the sender to wait for an acknowledgment before sending the next packet.

To modify the FSM of the receiver side of rdt2.2 to become the FSM of the receiver side of rdt3.0, the following changes can be made:

Add a receive buffer to store out-of-order packets.Add a sequence number field to the acknowledgment packets.Change the acknowledgment packet format to include a list of received packets.Add a timer for each received packet in the receive buffer.Add a duplicate acknowledgment packet to handle duplicate packets.

The modified FSM would include the following states:

WAIT: Wait for a packet to arrive.CHECK: Check the sequence number of the received packet.DUPLICATE: If the packet has already been received, send a duplicate acknowledgment.STORE: Store the packet in the receive buffer and send an acknowledgment.TIMEOUT: If a timer expires for a packet in the receive buffer, send an acknowledgment for that packet.SEND_ACK: Send an acknowledgment for the last received in-order packet and include a list of received out-of-order packets.

With these modifications, the receiver can acknowledge and store out-of-order packets and retransmit any lost or delayed packets, improving the overall reliability and efficiency of the protocol.

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To select nonadjacent items, select the first item as usual, press and hold down the ____ key, and then while holding down the key, select the additional items.

Answers

Answer:

CTRL key

Explanation:

To select nonadjacent items in a spreadsheet, hold down the control key.

PLS CONVERT THIS CODE INTO PSEUDO CODE, IT WILL HELP A LOT THANK YOU!!

# while front is clear, paint each successive square blue
def blue_background():

while front_is_clear():
paint(color['blue'])
move()

paint(color['blue'])

# moves Karel to face North
def face_north():

while not_facing_north():
turn_left()

# move and turn to the middle of next row
# to prepare for next clean_row() command
def turn_to_middle():

if right_is_blocked():
turn_left()

else:
turn_right()

# NASA LETTERS

# move karel from top left to draw the letter N
def move_to_letter_N():

turn_around()
for i in range(13):
move()

turn_left()
for i in range(2):
move()

# draw the letter N
def draw_letter_N():

# left line of N
turn_left()

for i in range(7):
paint(color['white'])
move()

paint(color['white'])

# move to middle of N
turn_around()

move()
turn_left()
move()

# draw middle of N
paint(color['white'])
move()

turn_right()
move()
paint(color['white'])

# move to right line of N
for i in range(2):
turn_left()
move()

move()
turn_around()

# draw right line of N
for i in range(7):
paint(color['white'])
move()

paint(color['white'])

# move to bottom left of letter A
def move_to_letter_A():

turn_left()
for i in range(2):
move()

turn_left()

# draw the letter A
def draw_letter_A():

# draw left line of A
for i in range(7):
paint(color['white'])
move()

turn_right()
move()

paint(color['white'])
move()

# draw right line of A
turn_right()
for i in range(7):
move()
paint(color['white'])

turn_around()
for i in range(3):
move()

# draw middle of A
turn_left()
move()
paint(color['white'])

# move to bottom of letter S
"""
note: letter S is divided into two parts (top and bottom)
in order to increase efficiency and not have to move Karel
around alot without painting.

"""
def move_to_letter_S_bottom():

turn_around()
for i in range(5):
move()

# draw bottom of letter S
def draw_letter_S_bottom():

turn_right()
for i in range(3):
paint(color['white'])
move()

turn_right()
for i in range(2):
move()
paint(color['white'])

turn_around()
for i in range(4):
move()

# move to top of letter S
def move_to_letter_S_top():

for i in range(4):
move()

turn_right()
move()
paint(color['white'])

move()
turn_left()
move()
turn_right()

# draw top of letter S
def draw_letter_S_top():

for i in range(2):
paint(color['white'])
move()

turn_right()
for i in range(2):
move()
paint(color['white'])

# draw one star shaped like a 3x3 cross
def draw_big_star():

for i in range(2):
paint(color['red'])
move()

paint(color['red'])

turn_around()
move()

turn_right()
move()
paint(color['red'])

turn_around()
for i in range(2):
move()
paint(color['red'])

# draw a smaller star/dot
def draw_small_star():

paint(color['red'])

# move to first big star
def move_to_bstar1():

turn_right()
for i in range(11):
move()

turn_left()
move()
move()

# move to first small star
def move_to_sstar1():

turn_right()
for i in range(6):
move()

# move to second big star
def move_to_bstar2():

for i in range(7):
move()

turn_right()
for i in range(3):
move()

turn_right()

# move to third big star
def move_to_bstar3():

turn_around()
for i in range(14):
move()

turn_right()

# move to second small star
def move_to_sstar2():

turn_left()
for i in range(6):
move()

# move to third small star
def move_to_sstar3():

for i in range(4):
move()

turn_left()
for i in range(3):
move()

# move to forth small star
def move_to_sstar4():

turn_right()
move()
move()

turn_right()
move()

# ROUNDED CORNERS

# use white to erase blue background corners and make it look rounded
def round_corner():

for i in range(2):
paint(color['white'])
move()

paint(color['white'])

turn_right()
for i in range(2):
paint(color['white'])
move()

paint(color['white'])

for i in range(15):
move()

# INSTRUCTIONS
blue_background()
face_north()

while front_is_clear():

if front_is_clear():
move()
turn_to_middle()
blue_background()
face_north()

# NASA LETTERS
move_to_letter_N()
draw_letter_N()

move_to_letter_A()
draw_letter_A()

move_to_letter_S_bottom()
draw_letter_S_bottom()

turn_left()
draw_letter_A()

move_to_letter_S_top()
draw_letter_S_top()

# STARS
move_to_bstar1()
draw_big_star()

move_to_sstar1()
draw_small_star()

move_to_bstar2()
draw_big_star()

move_to_bstar3()
draw_big_star()

move_to_sstar2()
draw_small_star()

move_to_sstar3()
draw_small_star()

move_to_sstar4()
draw_small_star()

# ROUNDED CORNERS
turn_around()
move()
turn_right()

for i in range(4):
round_corner()

Answers

Answer+Explanation:

The code looks familiar well the best thing that can be noticed i remember. this I don't know exactly but it reminds me of a robot senario called karel. I have no idea if this will help but here that from like about two years ago in 8th grade while I was taking high-school classes on tech. https://www.cs.mtsu.edu/~untch/karel/selection.html

How did tribes profit most from cattle drives that passed through their land?
A.
by successfully collecting taxes from every drover who used their lands
B.
by buying cattle from ranchers to keep for themselves
C.
by selling cattle that would be taken to Texas ranches
D.
by leasing grazing land to ranchers and drovers from Texas

Answers

The way that the tribes profit most from cattle drives that passed through their land is option D. By leasing grazing land to ranchers and drovers from Texas.

How did Native Americans gain from the long cattle drives?

When Oklahoma became a state in 1907, the reservation system there was essentially abolished. In Indian Territory, cattle were and are the dominant economic driver.

Tolls on moving livestock, exporting their own animals, and leasing their territory for grazing were all sources of income for the tribes.

There were several cattle drives between 1867 and 1893. Cattle drives were conducted to supply the demand for beef in the east and to provide the cattlemen with a means of livelihood after the Civil War when the great cities in the northeast lacked livestock.

Lastly, Abolishing Cattle Drives: Soon after the Civil War, it began, and after the railroads reached Texas, it came to an end.

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When is it better to use asymmetric key encryption and when is
it better to use symmetric key encryption? Explain why

Answers

Asymmetric key encryption is typically better suited for scenarios where secure communication and key exchange are the primary concerns. On the other hand, symmetric key encryption is more efficient and suitable for scenarios where speed and performance are crucial.

Asymmetric key encryption, also known as public-key encryption, involves the use of two different keys: a public key and a private key. The public key is widely distributed and used for encryption, while the private key is kept secret and used for decryption. This type of encryption is advantageous in situations where secure communication and key exchange are essential. For example, when two parties want to securely exchange sensitive information over an insecure network, they can use each other's public keys to encrypt and transmit data, ensuring confidentiality and integrity.
Symmetric key encryption, also known as secret-key encryption, uses a single shared key for both encryption and decryption processes. This type of encryption is faster and more efficient than asymmetric encryption because it doesn't involve complex mathematical operations. It is best suited for scenarios where speed and performance are critical, such as bulk data encryption and decryption. Symmetric encryption is commonly used for securing data at rest or encrypting large amounts of data, such as files or database records.
In summary, asymmetric key encryption is preferred when secure communication and key exchange are the primary concerns, while symmetric key encryption is more suitable for scenarios where speed and efficiency are crucial. The choice between these encryption methods depends on the specific requirements of the application, balancing security, performance, and usability factors.



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I need help asap
Classify the examples as per their planning phase.

I need help asap Classify the examples as per their planning phase.
I need help asap Classify the examples as per their planning phase.

Answers

Answer: the Answer is c

Explanation: the

Note that the classifications for each example according to their planning phase.

What is the explanation for the above response?

1) Wireframe - This example belongs to the early planning phase. Wireframes are skeletal outlines or blueprints that represent the basic structure and layout of a website or application. They serve as a guide for developers to create the final product.

2) Page description diagram - This example also belongs to the early planning phase. A page description diagram (PDD) is a visual representation of the content and layout of a website or application. It shows how the pages will be structured and what content will be included on each page.

3) Browsing functionality - This example belongs to the mid-phase of planning. Browsing functionality refers to the features and capabilities of a website or application that enable users to navigate and browse through content. This includes search bars, filters, sorting options, and other tools that make it easier for users to find what they are looking for.

4) Design elements - This example belongs to the late planning phase. Design elements include the visual components of a website or application, such as color schemes, typography, icons, and images. They are typically created after the wireframes and PDDs have been developed and serve to enhance the user experience and make the product visually appealing.

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Full Question:

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

Classify the examples as per their planning phase.

wireframe

page description diagram

browsing functionality

design elements

1 What do you understand by navigation through form?

Answers

Answer:

A navigation form is simply a form that contains a Navigation Control. Navigation forms are a great addition to any desktop database. Microsoft Access offers several features for controlling how users navigate the database.

Which Python expression results in 49?

7 * 2

7^2

7 // 2

7 ** 2

Answers

Answer:

7^2

Explanation:

7^2 is the same as 7*7

Answer:

7^2 ( ^ ) this sign help us

what is the difference between relay controls and communicating controls?

Answers

Explanation:

Control Relay is more commonly used in control circuits which are single phase circuits. Contactors are typically built for switching 3-phase load. A Contactor consists of a minimum one set of three phase power contacts and in some cases additional in built auxiliary contacts are also provided.

Select the correct answer.
Ben wants to reduce the file size of an image in his document. Which feature of a word processing program will help him do so?

Answers

Answer:

COMPRESS, THIS WILL MAKE IT INTO A ZIP

Explanation:

Describe a situation in which you would want to use integer division in a program. Then, write the line of code that would use integer division.

Answers

The description of a situation in which you would want to use integer division in a program is that they would give you the exact answer you want when performing addition, division, etc, and is more reliable than using floating point math.

What is Integer Division?

This refers to the term that is used to describe the operator divides two numbers and returns a result and its symbol is %

The Program that uses an integer division is given below:

int a = 25;

int b = 5;

int c = a / b ;

System. out. println(c);

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What is the definition of a Robot????

Answers

Answer:

Please look below for your answer

Explanation:    

A robot simply refers to a machine—especially one programmable by a computer— capable of carrying out a complex series of actions automatically. Robots can be guided by an external control device or the control may be embedded within. Robots may be constructed on the lines of human form, but most robots are machines designed to perform a task with no regard to their aesthetics.

hope I really helped you

Please mark me as brainliest

What features of Word have you learned thus far that you feel
will benefit you in your careers? Be specific.

Answers

As of now, there are numerous Word features that I have learned that I feel will benefit me in my career.

These features include creating tables and inserting photos and charts. It is important to keep in mind that these features will come in handy regardless of what profession I pursue, as they are necessary for tasks such as creating professional documents and presentations.Creating tables: In Microsoft Word, tables are used to organize data and make it simpler to comprehend. They are essential in professions such as data analysis, finance, and marketing. The table feature is simple to use and can help to make a document appear more professional.

The user can choose the number of rows and columns they want and also insert them at any place in the document.
Inserting photos: A picture is worth a thousand words, which makes the ability to insert photos a valuable tool for any profession. Pictures can assist to break up a lengthy document and make it easier to read. They are critical in professions that rely heavily on visual representations, such as design, marketing, and advertising.

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which language is written using 0s and 1S​

Answers

Answer:

binary

Explanation:

a computer speak because of how they are built

what dose the space bare look like???

Answers

The space bar key is one that is seen on a computer keyboard or on a typewriter and it look like a long ruler. It is often called a horizontal bar seen on the lowermost row.

What does the spacebar look like?

The spacebar, also referred to as the space key or space, is a long, horizontal key on the bottom border of a keyboard. On the keyboard, it is often the biggest and longest key.

Note that it is seen as a blank, space, spacebar, or say it is a space key. The space bar key is one that is found at the lowest row, as well as on horizontal bar-shaped key on a typewriter or alphanumeric keyboard. It is substantially one that broader than all other keys.

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Which of the follow efficiencies would be considered unreasonable?

Answers

Answer:

Exponential or factorial efficiencies algorithms

Explanation:

In a computer engineering system, the efficiencies that would be considered unreasonable is the "Exponential or factorial efficiencies algorithms"

This is unlike Algorithms with a polynomial efficiency that is considered to have Reasonable Time.

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