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navik [9.2K]
3 years ago
9

Remember that it is desirable for good block ciphers that a change in one input bit affects many output bits, a property that is

called diffusion or the avalanche effect. We try now to get a feeling for the avalanche property of DES. We apply an input word that has a "1" at bit position 33 and all other bits as well as the key are zero. (Note that the input word has to run through the initial permutation.) 1. How many S-boxes get different inputs compared to the case when an all-zero plaintext is provided? 2. What is the minimum number of output bits of the S-boxes that will change according to the S-box design criteria? 3. What is the output after the first round? 4. How many output bit after the first round have actually changed compared to the case when the plaintext is all zero? (Observe that we only consider a single round here. There will be more and more output differences after every new round. Hence the term avalanche effect.)
Computers and Technology
1 answer:
olga_2 [115]3 years ago
4 0

Answer:

hlo

Explanation:

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The Bellman-Ford algorithm for the shortest path problem with negative edge weights will report that there exists a negative cyc
Feliz [49]

Answer:

- Iterate over the Bellman-Ford algorithm n-1 time while tracking the parent vertex and store in an array.

- Do another iteration and if no relaxation of the edges occurs in the nth iteration then print of return "There are no negative cycle".

- Else, store the vertex of the relaxed edge at the nth iteration with a variable name.

- Then iterate over the vertexes starting from the store vertex until a cycle is found then print it out as the cycle of negative weight.

Explanation:

The Bellman-Ford algorithm can be used to detect a negative cycle in a graph. The program should iterate over the algorithm, in search of a relaxed edge. If any, the vertex of the specified edge is used as a starting point to get the target negative cycle.

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3 years ago
What is an (CR) Optical character recognition?
Alex777 [14]
The accurate answer is

 An OCR recognizes shapes of characters.

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3 years ago
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It is a read mostly memory that can be electronically written into any time without arising prior contact
tatuchka [14]

Answer:

d. EEPROM

Explanation:

EEPROM stands for Electrically erasable programmable read-only memory which is characterized as a non-volatile working memory chipset capable of storing information and distaict on terms of its stability and data retention capability. EEPROM's are very advantageous and provide several up features than most other chipset. The retention ability of information on EEPROM'S such that initial content remains intact while writing even when power is removed. Other memory types mentioned also have their own features, however. EEPROM best suits the description.

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3 years ago
When an object is created, the attributes associated with the object are called: A. instance fields B. instance methods C. fixed
solmaris [256]

Answer:

Option A is the correct answer for the above question

Explanation:

The object is used to take memory for the class member and functions because the class is the only structure which defines the types of the member for that class. The class object is used to reference a member of the class. The object of the class is known as an instance of the class and the one object variables value is different from the other objects variable value for the same class. So the object is used to holds the instance field because the object is used to initialize the value of the variable of the class. So the attributes associated with the class object can be called the instance field . The above question also asked the same and the answer is Instance field which is stated from the option A. Hence Option A is the correct answer while the other is not because--

  • Option B states about instance method which refers to the method of a class for which that object is created.
  • Option C states about the fixed attributes which are not the correct answer.
  • Option D states about class instances which refer to the object of the class.

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4 years ago
Which of the following is considered a period cost in absorption​ costing? A. variable manufacturing overhead costs B. fixed man
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