1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
galina1969 [7]
4 years ago
14

A petrol (gas) station is to be set up for fully automated operation. A driver inputs his or her credit card into the pump, the

card is verified by communication with a credit company computer and a fuel limit established. The driver may then take the fuel required and, on completion of delivery (when the pump hose is returned to its holster), the driver's credit account is debited with the cost of the fuel taken. The credit card is returned after debiting. If the card is invalid, it is returned by the pump with no fuel dispensed

Computers and Technology
1 answer:
malfutka [58]4 years ago
6 0

Answer:

Explanation:

Gas Filling Station has pumps. Pumps have credit card readers. Driver can able to swipe their cards, pumps have Fuel. Pumps card readers communicate with Credit Company. Driver interacts with pump for fuel and credit card.

In this situation the following we need to treat as objects.

They are Pump, Card reader, Fuel tank, communication system, system controller and price table.

Design pattern for the following system is attached below

You might be interested in
A major concern about ESP claims is that proponents explain both the positive and negative findings. By explaining the negative
4vir4ik [10]

Answer: Falsifiability

Explanation: Falsifiability is the term that is defined as the evaluation of any particular hypothesis or theory to be proven wrong .This feature gives the access that the theory can be tested and have more accurate claims .

The ESP(Extrasensory perception) theory  can also have feature of being falsifiable because the experiments and test lead to the issue that the negative effects of the theory are not certain which might occur due to simple observation of effects.

5 0
4 years ago
To create a cover letter to send to potential employers along with a resume, what software program should you use?
spayn [35]
Sending letters is easier when an individual is using an email. Emails are very easy to access, they can be sent twenty four / seven (24/7) and can also be received 24/7. Examples of email programs are yahoo and google websites.
3 0
3 years ago
Your traffic light changes to yellow as you approach an intersection. In most cases, what action should you take?
mamaluj [8]
Make every reasonable effort to stop.
6 0
3 years ago
Read 2 more answers
Write an SQL statement to display the WarehouseID and the sum of QuantityOn- Hand grouped by WarehouseID. Omit all SKU items tha
schepotkina [342]

Answer:

SELECT WarehouseID, SUM(QuantityOnHand) AS TotalItemsOnHandLT3

FROM INVENTORY

WHERE QuantityOnHand < 3

GROUP BY WarehouseID

ORDER BY TotalItemsOnHandLT3 DESC;

Explanation:

SELECT statement is used to select the columns from the table. Here the columns displayed by SELECT are WareHouseID, Sum of QuantityOnHand which is named as TotalItemsOnHandLT3  using AS which is called alias which is a temporary name to represent one or columns. WHERE clause here depicts a condition that omits all SKU items that have three or more items on hand from the sum. GROUP BY is used to group the resultant set by one or more columns like here it is grouped by WarehouseID. ORDER BY is used to display the result of TotalItemsOnHandLT3  column in descending order.

7 0
3 years ago
7. Ctrl + V is used to __________
Pepsi [2]

Answer:

E=Paste

Explanation:

E= Paste the selected text

8 0
3 years ago
Read 2 more answers
Other questions:
  • Dave has to create animations for a game. Which tool can Dave use?
    9·2 answers
  • If you are feeling sick and you want to drive somewhere, you should
    12·2 answers
  • Fill the validateForm function to check that the phone number contains a number (use the isNaN function) and that the user name
    8·1 answer
  • When users talk about font size,
    10·2 answers
  • A predictive data analyst ___
    11·1 answer
  • Which of the following is most likely to require use of a server, desktop, and industry-specific handheld computer, and is most
    8·1 answer
  • What breakthrough in sound recording facilitated stereophonic recording? Ο Α. overdubbing O B. multitrack recording O C. digital
    10·1 answer
  • Edhesive AP Computer Science Coding Activity 2:
    14·1 answer
  • Difference between batabse and database management system
    5·1 answer
  • HELP ASAP WILL GIVE BRAINLY Question 19 Multiple Choice Worth 5 points) (05 03 MC) Network technologies specialist Hannah has be
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!