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allsm [11]
3 years ago
8

When your purchases are swiped over the bar-code reader at the point-of-sale terminals at Wal-Mart, a _____ records the data.

Computers and Technology
1 answer:
nydimaria [60]3 years ago
4 0

Answer: Transaction processing system

Explanation:

A transaction processing system basically records all the data in the system. It is the set of data that basically monitor all the transaction process in the system. It basically perform various transaction oriented applications in the system.

It also allow time delay in the system when the item is supposed to being sold to the actually selling of the item. There are basically various types of transaction processing system arr payroll, account payable and the inventory control.

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What is the output of the following code?
Lynna [10]

Answer:

The output is 24

Explanation:

Given

The above code segment

Required

The output

We have (on the first line):

x = 6

y = 3

z=24

result=0

On the second line:

result = 2*((z/(x-y))\%y+10)

Substitute the value of each variable

result = 2*((24/(6-3))\%3+10)

Solve the inner brackets

result = 2*((24/3)\%3+10)

result = 2*(8\%3+10)

8%3 implies that, the remainder when 8 is divided by 3.

The remainder is 2

So:

result = 2*(2+10)

result = 2*12

result = 24

<em>Hence, the output is 24</em>

8 0
2 years ago
Write a program that accepts a positive integer N as command-line argument, and outputs True if N is the square of some integer,
Ann [662]

Answer:

In Python:

N = int(input("Positive integer: "))

if N > 0:

   flag = False

   for i in range(1,N+1):

       if i * i == N:

           flag = True

           break

   print(str(flag))

else:

   print("Positive integer only")

   

Explanation:

N = int(input("Positive integer: "))

If the number is positive

if N > 0:

This initializes a boolean variable to false

   flag = False

This iterates from 1 to the input integer

   for i in range(1,N+1):

This checks if th number is a square of some integer

       if i * i == N:

If yes, flag is set to true

           flag = True

The loop is exited

           break

This prints either true or false, depending on the result of the loop

   print(str(flag))

If otherwise, that the number is not positive

<em>else:</em>

<em>    print("Positive integer only")</em>

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