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Soloha48 [4]
3 years ago
11

Critical Thinking Questions Case 7-1 ​ You recently started working part-time in a retail store, and are learning about the read

ing devices your store uses. Your store uses a bar code reader to process items during checkout. What type of technology does the bar code reader use?
Computers and Technology
1 answer:
DerKrebs [107]3 years ago
6 0

Answer: Laser Beams

Explanation:

  The laser beam is one of the type of technology that helps in amplifying the light by using the laser principle Stimulated emission in the laser. The word "LASER" is stand for the Light amplification by stimulated emission of radiation.  

The laser is one of the device that emitted the coherent light in the form of beam rays that is propagate only in one direction. The following are the laser beam technology are as follows:

  • Bar code reader
  • Laser surface modification  
  • Information processing
  • Laser range  

Therefore, Laser beam is the correct answer.

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When individuals are purchasing a computer, they sometimes might get the most expensive computer they can afford. Why might this
timama [110]

Answer:

Expensive is not always better

Explanation:

So I build 2 computers ok

Computer 1: Price 1,999$

<u>Whats Included:</u>

  • Antivirus
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Computer 2: Price 799$

<u>Whats Included:</u>

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  • Windows 10 Operating Software
  • 24/7 Support
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<h2>So Computer 2 Has better reviews and a 10 year warranty over computer 1's 1 year warranty</h2>
8 0
2 years ago
Assume the availability of a function is_prime. Assume a variable n has been associated with positive integer. Write the stateme
My name is Ann [436]

Answer:

def main():

   # Accept data from the user

   n=int(input('Enter the value of n:'))

   k=2;

   sum=0

   print('The list of the prime numbers are as follows:')

   # This loop runs from k to n

   while k<=n:

       # Call is_prime() method,

       # to check whether k is a prime or not

       sum=sum+is_prime(k)

       k=k+1

   print('Sum of the prime numbers:',sum)

# is_prime() Method

def is_prime(k):

   prime=0        

   i=1

   # Check k is a prime or not

   while i<=int(k):

       # Find the factors of k

       if (k % i) == 0:

           prime=prime+1

       i=i+1

   # If k as two factors

   if(prime==2):        

       print(k)

       return k;

   # If k as more than two factors

   else:        

       return 0;

# Call the main() method

main()

Explanation:

5 0
3 years ago
Convert decimal number into binary numbers (265)10<br>​
Ksenya-84 [330]

Answer:

HELLOOOO

Alr lets start with steps by dividing by 2 again and againn..

265 / 2 = 132 ( rem = 1 )

132 / 2 = 66 ( rem = 0 )

66/2 = 33 ( rem = 0 )

33/2 = 16 ( rem = 1 )

16/2 = 8 ( rem = 0 )

8/2 = 4 ( rem = 0 )

4/2 = 2 ( rem = 0 )

2/2 = 1 ( rem = 0 )

1/2 = 0 ( rem = 1 )

now write all the remainders from bottom to up

100001001

is ur ans :)))

7 0
3 years ago
Write a script that creates a user-defined database role named OrderEntry in the MyGuitarShop database. Give INSERT and UPDATE p
vesna_86 [32]

Answer:

USE MyGuitarShop ;

CREATE ROLE OrderEntry ;

GRANT INSERT ON Orders ,OrderItems  TO OrderEntry ;

GRANT UPDATE ON Orders ,OrderItems TO OrderEntry ;

GRANT SELECT ON Orders ,OrderItems TO ALL;

Explanation:

USE MyGuitarShop ;

This statement is used to make MyGuitarShop  as the current database

CREATE ROLE OrderEntry ;

This statement creates new role called "OrderEntry".Roles are useful in database to grant permissions for users on particular objects of the database.

GRANT INSERT ON Orders ,OrderItems  TO OrderEntry ;

GRANT UPDATE ON Orders ,OrderItems TO OrderEntry ;

above two GRANT statements are used to grant Insert,Update permissions to the Role "OrderEntry " for the tables Orders ,OrderItems.All the users of Role "OrderEntry" are able to grant Insert,Update on the tables Orders ,OrderItems.

GRANT SELECT ON Orders ,OrderItems TO ALL;

above GRANT statement is used to give select permission on specified tables to all users.

3 0
3 years ago
-1
N76 [4]

Answer:A flowchart is a diagram that depicts the steps involved in solving a problem. The following flowchart shows how to output the multiplication table ( n * 1 to m * 1) of a number, n and m:

3 0
3 years ago
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