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Semmy [17]
3 years ago
7

A reputable, world-renowned auction house uses blockchain to verify the authenticity of paintings prior to placing them up for s

ale. The records that are stored on the various distributed ledgers for each painting include the artist’s credentials, history of ownership, appraisal values, and previous purchase price. Paula would like to make an offer on a painting. After reviewing the distributed ledgers for the painting, why can Paula purchase the painting with confidence?
Computers and Technology
1 answer:
REY [17]3 years ago
6 0

Answer:

The ledgers are secure, shared, and incorruptible is the correct answer.

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Let's assume that the smallest possible message is 64 bytes (including the 33-byte overhead). if we use 100base-t, how long (in
Ostrovityanka [42]

As we know that 10-bAse data travels at the rate of 10 mbps, therefore at 1 sec we have 10240 bytes.

We have to calculate for 64 bytes travelling in one second. Multiply both sides by 64.

64 sec = 10240 x 64 bytes

64 bytes = 64 / 10240 sec

Now we have to calculate for light of speed

1 sec = 186000 miles

Substitute this value to the formula above

64 bytes = 64 / 10240 x 1 sec = 64 / 10240 x 186000 miles = 64 / 10240 x 186000 x 5280 feet = 6138x10^3 feet

Therefore, 64 bytes is equal to 6138 x 10^3 feet long message

3 0
3 years ago
We will extend this idea to streams. Write a function called rle that takes in a stream of data, and returns a corresponding str
yarga [219]

Answer:

def rle(data_stream ):

     with open( "data_stream" ) as file:

           container= [ ]

           two_itemlist= [ ]

           while True:

                 container.append( file.readlines )

           file.close( )

                 while container == True:

                         value= container.pop(0)

                         split_value= value.split( " " )

                         while split_value == True:

                              while len( two_itemlist) < 2:

                                    holder = split_value.pop( 0 )

                                    two_itemlist.append( holder )

                              yield two_itemlist

new_list = rle ( new_file )

Explanation:

In the solution above, the defined function is a generator, as it continuously returns a two-element list.

3 0
3 years ago
PYTHON!
Lyrx [107]

Answer:

hi Po konbanwa sayo I'm pilipino I'm live in philippines

5 0
2 years ago
a) consider the binary number 11010010. what is the base-4 representation of (11010010)2? (there is a way to do this without con
loris [4]

The place value can be used to convert a binary number, such as 11010010, into decimal form: 11010010 = 1 x 27 + 1 x 26 + 0 x 25 +1 x 24.In light of the aforementioned, the base-4 number system has 4 digits: 0, 1, 2, and 3. Any 2-bit number can be represented by a single base-4 integer since a 2-bit number can only represent one of the values 0, 1, 2, or 3.

<h3>What does base 4 mean?</h3>
  • Base-4 is a quaternary  number system. Any real number is represented by the digits 0, 1, 2, and 3.
  • In light of the aforementioned, the base-4 number system has 4 digits: 0, 1, 2, and 3. Any 2-bit number can be represented by a single base-4 integer since a 2-bit number can only represent one of the values 0, 1, 2, or 3.
  • The four digits of Quaternary (Base 4) are 0 through 3.
  • Binary code 4 is 100. In a binary number system, we only use the digits 0 and 1 to represent a number, as opposed to the decimal number system, which uses the digits 0 to 9. (bits).

To learn more about Quarternary number system refer to:

brainly.com/question/28424526

#SPJ4

7 0
1 year ago
Two electronics technicians are looking at the representations of a silver atom and a copper atom in the figure above. Technicia
eduard
C is your correct answer.
5 0
4 years ago
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