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Rainbow [258]
3 years ago
13

Workspace Remember for a moment a recent trip you have made to the grocery store to pick up a few items. What pieces of data did

the Point of Sale (POS) terminal and cashier collect from you and what pieces of data about the transaction did the POS terminal pull from a database to complete the sale? In addition to the data collected and retrieved what information was generated by the POS terminal at the end of the order, as it is being completed?
Computers and Technology
1 answer:
PtichkaEL [24]3 years ago
8 0

Answer:

ATM card and the pin number, the status of the bank account and the total of the purchase and the account and method of payment.

Explanation:

The POS or point of service is a device that allows the purchase of product from a commercial store to be done wirelessly and cashless.

It promotes The cashless policy to reduce the circulating physical currency. The POS electromagnetic wave to wirelessly access bank database to retrieve bank account information.

It takes in the smart card, and with the command, retrieves the bank account information addressed on the card. The cashier types the total price of purchased product and it is automatically minus and updated on the account database. Then the invoice of the transaction is issued to the customer.

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What is authentication?
Savatey [412]

Answer:

C

Explanation:

I believe that's the answer if it's not sorry

8 0
3 years ago
The stream cipher described in Definition 2.1.1 can easily be generalized to work in alphabets other than the binary one. For ma
Free_Kalibri [48]

Answer:

Check the explanation

Explanation:

1) supposing the keystream is a stream that is of random bits in Z26, we can describe a stream cipher based on the Latin Alphabet that is as follows (where A ↔ 0, B ↔ 1, C ↔ 2 etc):

y_{i} =x_{i} +k_{i} mod26

x_{i} =y_{i} -k_{i} mod26

2)

x_{i} =y_{i} -k_{i} = ” B ” − ” R ” = 1 − 17 = − 16 ≡ 10 mod 26 = ” K ” etc ·

The Decrypted Text is: ”KASPAR HAUSER”

8 0
3 years ago
Which of the following is the correct binary representation of the number 2?
dusya [7]

Answer:

10

Explanation:

To convert decimal to binary, you just count like normal, but instead of regrouping when adding 1 when you reach 9, you regroup when you reach 1.

in this case, you would count like this:

0

1

10

7 0
2 years ago
John would like to move from the suburbs into the city, but the rent in the city is very high. John has found an apartment he re
maxonik [38]

A list of multiple choices is given;

<span>a)      </span>Purchase a home in the city center instead.

<span>b)      </span>Rent the apartment anyway.

<span>c)       </span>Rent the apartment with a roommate.

<span>d)      </span>Purchase a home in the suburbs instead.


The answer is (C)


John should look for an apartment and share it with a roommate. This will bring down rent expenses to 50% as both John and the roommate will be cost sharing the rent. If the rent expenses go down by 50%, he’ll be able to save an additional 10% and use it for other expenses.

4 0
3 years ago
The extent to which a program satisfies its specificationand fulfills the customer’s mission objectives is said to beachieving t
GuDViN [60]

Answer:

b) Reliability.

Explanation:

When the program gives correct output and fulfills the customer's requirements it is said to be reliable and said to be achieving reliability.

Correctness is when the program only provides correct solution.

Efficiency is when the program does the work in less time.

Usability means that the program is usable or not.

5 0
3 years ago
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