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Alecsey
11 days 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
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To what extent are the following computer systems instances of artificial intelligence:
oksian1 [950]

Answer: Scanners used in supermarkets for barcodes and voice-activated phone menus are not examples of artificial intelligence.

Explanation:

(a) Supermarket barcode scanners can read codes, yet they lack the capability to employ machine learning techniques for learning patterns within the codes. Machine learning is a crucial aspect of artificial intelligence (AI), thus indicating they do not qualify as instances of AI. Likewise, voice-activated menus can only present options and do not carry out any complex tasks.

In contrast, web search engines and internet routing algorithms demonstrate dynamic and intelligent capabilities in processing and delivering information to users.

Hence, these are considered examples of AI.

8 0
3 months ago
You are given a string of n characters s[1 : : : n], which you believe to be a corrupted text document in which all punctuation
ivann1987 [1066]

Response: explained in the explanation section

Explanation:

Given that:

Assume D(k) =║ true if [1::: k] is a valid sequence of words, or false otherwise

  • In determining D(n)

the sub problem s[1::: k] is a valid sequence of words IFF s[1::: 1] is valid and s[ 1 + 1::: k] is a valid word.

Thus, we derive that D(k) is defined by the following recurrence relation:

D(k) = ║ false max(d[l] ∧ DICT(s[1 + 1::: k]) otherwise

Algorithm:

Valid sentence (s,k)

D [1::: k]             ∦ array of boolean variables.

for a ← 1 to m

do;

d(0) ← false

for b ← 0 to a - j

for b ← 0 to a - j

do;

if D[b] ∧ DICT s([b + 1::: a])

d (a) ← True

(b). Algorithm Output

      if D[k] == True

stack = temp stack            ∦stack assists in displaying the strings in order

c = k

while C > 0

stack push (s [w(c)]::: C] // w(p) denotes the index in s[1::: k] of the valid word // at position c

P = W (p) - 1

output stack

= 0 =

cheers, I hope this aids you!!!

8 0
2 months ago
During a move, employee workstations were disconnected from the network and reconnected in new offices. However, after the move
Natasha_Volkova [1026]
Ensure the cables are operational and correctly connected. Given that everything functioned well prior to the relocation, but post-move some workstations are unable to receive a valid IP, the first action should be to confirm that the cables are securely connected. If they are, also test the cables for functionality. If issues persist after this, then additional troubleshooting would be necessary.
5 0
1 month ago
Write a code segment to change the name of the Thing object something such that the new name consists of the old name with one c
oksian1 [950]

Answer:

import random

def name_change( name: list ) -> list :

   choice = random.choice( name )

   choice_index = name.index( choice )

   name.pop( choice_index )

   return name

Explanation:

The provided Python code utilizes the random library to randomly select an item from a list within the function "name_change". The index of the selected item is then retrieved from the list and removed from the original list called "name", with the modified name subsequently returned.

To activate the function, assign it to a variable, supply a list (it must be a list) as its argument, and then express the result.

6 0
3 months ago
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