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VMariaS [17]
3 years ago
7

Explain the major innovation made from the establishment of abacus to present 5th computer generation.

Computers and Technology
1 answer:
ikadub [295]3 years ago
6 0

Answer:

  1. Calculation using fingers
  2. Abacus (6th century BC)
  3. Sieve of Eratosthenes (3rd century BC)
  4. Napier bones
  5. slide rule
  6. Schikard's calculating clock with gears
  7. Pascaline
  8. Stepped reckoner by Leibniz
  9. Jacquard loom
  10. Mechanical computation machines (19th century)
  11. Analog computers (first half of 1900-1940)
  12. Digital computers (1940-1970)
  13. Computers with Microprocessors (1970 onwards)
  14. Smartphones (1992 onwards)

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Andreas wants to insert an element into an email that will graphically display the values in a table. Which option should he cho
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2 years ago
Write a Python function check_subset() that takes in two Python lists, representing sets of integers, A and B. Your function sho
wlad13 [49]

Answer:

  1. def check_subset(l1, l2):
  2.    status = False
  3.    count = 0
  4.    if(len(l1) > len(l2)):
  5.        for x in l2:
  6.            for y in l1:
  7.                if x == y:
  8.                    count += 1
  9.        if(count == len(l2)):
  10.            return True  
  11.        else:
  12.            return False
  13.    else:
  14.        for x in l1:
  15.            for y in l2:
  16.                if x==y:
  17.                    count += 1
  18.        if(count == len(l1)):
  19.            return True  
  20.        else:
  21.            return False
  22. print(check_subset([1,4,6], [1,2,3,4,5,6]))
  23. print(check_subset([2,5,7,9,8], [7,8]))
  24. print(check_subset([1, 5, 7], [1,4,6,78,12]))

Explanation:

The key idea of this solution is to create a count variable to track the number of the elements in a shorter list whose value can be found in another longer list.

Firstly, we need to check which list is shorter (Line 4). If the list 2 is shorter, we need to traverse through the list 2 in an outer loop (Line 5) and then create another inner loop to traverse through the longer list 1 (Line 6).  If the current x value from list 2 is matched any value in list 1, increment the count variable by 1. After finishing the outer loop and inner loop, we shall be able to get the total count of elements in list 2 which can also be found in list 1. If the count is equal to the length of list 2, it means all elements in the list 2 are found in the list 1 and therefore it is a subset of list 1 and return true (Line 10-11) otherwise return false.

The similar process is applied to the situation where the list 1 is shorter than list 2 (Line 15-24)

If we test our function using three pairs of input lists (Line 26-28), we shall get the output as follows:

True

True

False

6 0
2 years ago
Frames control what displays on the Stage, while keyframes help to set up
pogonyaev

Answer: A keyframe is a location on a timeline which marks the beginning or end of a transition. So for example, you have a movie and it transitions to another scene, keyframes tell it when and where to start the transition then when and where to stop the transition.

3 0
2 years ago
What are the disadvantages of having too many featuresin a language?
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Answer:

Disadvantage of having too many features in a language is that:

  • There are many functions with same name but perform different function or task so it will create an issue or problem.
  • Features do not duplicate one another as, there are different possible syntax for the same meaning.
  • In a mathematical function, sometimes user function and mathematical variable name collide with language base features so it will create problem.
4 0
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