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maksim [4K]
2 years ago
12

There used to be a popular type of pulp book for younger readers. They were called "Choose Your Own Adventure" novels. The idea

was pretty simple. You'd start reading and then a few pages into the book, there would be a plot development that required a choice. The book might describe that you've entered a spooky house and the door has locked behind you. It would then ask you if you want to try to exit by going through the kitchen or exploring upstairs. If you chose to go into the kitchen, you'd turn to page 200, if you chose to go upstairs, you'd turn to page 43. This would repeat maybe five or six times though the book. You could re-read it a few times and try different outcomes. In this lab you are going to create a choose your own adventure application using navigation controllers. The introduction screen to your application will contain a few lines of text to set up a story and then leave the user with a choice. Below the text, you will present two buttons that correspond to the different choices. For example, you might see the following text on the main screen: You are walking down the street when a tiger runs up and takes your lunch and then runs away... Do you want to chase the tiger or run away
Computers and Technology
1 answer:
Art [367]2 years ago
5 0

Answer:

i dont know

Explanation:

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a limited-access expressway. A)allows vehicles to enter or exit only at certain place.B) does not permit trucks or buses.C)has n
zepelin [54]
Hello babe I just wanted to say hello
3 0
2 years ago
Serena, an analyst at an environmental agency, wants to prepare a report using data from the Car Emissions database.
konstantin123 [22]

Answer:

The correct answer is:

Option 1: export the query results from the database to a spreadsheet, then export the graph to a document.

Explanation:

Spreadsheets are used to represent numerical data, perform calculations and display the results numerically or graphically.

When using a database, the query results can be exported to other software using the query web address.

So in order to include the graph in her report, Serena will export the result to spreadsheet and then export the graph to document.

Hence,

The correct answer is:

Option 1: export the query results from the database to a spreadsheet, then export the graph to a document.

5 0
2 years ago
Read 2 more answers
Write a SELECT statement that returns one row for each customer that has orders with these columns:
d1i1m1o1n [39]

Answer:

SELECT email_address,

SUM(item_price * Quantity) AS item_price_total,

SUM(discount_amount * Quantity) AS discount_amount_total

FROM Customers c

JOIN Orders o ON c.CustomerID = o.CustomerID

JOIN Order_Items oi ON o.OrderID = oi.OrderID

GROUP BY email_address

ORDER BY item_price_total DESC

Explanation:

In this SQL statement the SELECT statement selects the following columns:

email_address

item_price

Quantity

discount_amount

There are two tables Customers and Order_Items

SUM aggregate function is used to add the values of the product of the columns discount_amount and Quantity. It is also used to get the sum of the product of two columns discount_amount and Quantity.

A new temporary column named item_price_total is used to name the sum of the product of two columns discount_amount and Quantity using AS which is ALIAS and it is used to give a name to some columns or a table.

Similarly discount_amount_total name is given to the column which calculate the sum of the product of two columns i.e. discount_amount and Quantity.

JOIN is used here to join the columns from the tables Order_items and Customers.

GROUP BY is used to group the result of rows and is used with functions like SUM. Here the rows are grouped by the email address.

ORDER BY is used to order the result. Here the result is ordered by item_price_total in descending  order.

This SELECT statement can also be written as following:

SELECT c.email_address,

SUM(o.item_price * o.Quantity),

SUM(o.discount_amount * o.quantity)

FROM customer c

JOIN Order_Items o ON o.id = c.id

GROUP BY c.email_address

7 0
3 years ago
(in PYTHON) Write a function in REPL.it that uses three parameters, and squares the first, calculates mod 5 of the second parame
tatiyna

Answer:

I wrote this myself, it should be working. I think this is what the instructions were looking for.

The code below should return

Squared: 1296  

Mod: 0        

Quadrupled: 16

Explanation:

def threeParams(squared, mod, quadruples):

   array = [squared, mod, quadruples]

   array[0] = squared ** 2

   array[1] = mod % 5

   array[2] = quadruples * 4

   return array

valueArr = threeParams(36, 15, 4)

print(f"Squared: {valueArr[0]}\nMod: {valueArr[1]}\nQuadrupled: {valueArr[2]}")

4 0
2 years ago
In step 4 of the CSMA/CA protocol, a station that successfully transmits a frame begins the CSMA/CA protocol for a second frame
DerKrebs [107]

Answer:

There could be a collision if a hidden node problem occurs.

Explanation:

CSMA/CA(carrier sense multiple access/ collision avoidance) is a multiple access method in wireless networking, that allows multiple node to transmit. Collision avoidance of this method is based on preventing signal loss or downtime as a result of collision of transmitting multi signals.

If a node at step 4(transmit frame) sends the first frame, the node still needs to send a RTS(request to send) and to receive a Clear to send (CTS) from the WAP, the is to mitigate the issue of hidden node problem as all frame are treated as unit, so other listening nodes, not detected would seek to connect and transmit as well.

5 0
2 years ago
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