EBK ESSENTIALS OF MIS,
EBK ESSENTIALS OF MIS,
13th Edition
ISBN: 8220106778494
Author: LAUDON
Publisher: PEARSON
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Chapter 11, Problem 3RQ

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Machine learning:

Machine learning is the study of improving the performance of the computer without the help of commands programmed by the human.

Benefits of machine learning to busines...

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Neural network:

  • Neural network is also called as artificial neural network where the AI attempts to imitate the way human brain works.
  • Electronic model that performs tasks like the neural structure of a human brain is artificial neural network.
  • Artificial neural network is comparable in certain aspects to a biological neural network.

Working of neural network:

It works based on the structure and functions of human brain...

Explanation of Solution

Genetic Algorithm:

A genetic algorithm is an artificial intelligence system which is used for fining optimized solutions to search problems.

  • The search problems are based on the theory of natural selection and evolutionary biology.
  • It works well for searching large and complex data sets.
  • It uses the combination of inputs to project the best outputs.
  • It involves a process called mutation where it tries for random combinations and then evaluates the success or failure of the outcome.

Working of genetic algorithm:

The working of genetic algorithm starts with the creation of random initial population. It then creates a sequence of new population. It uses the current generation individuals to create the next population. It stops when the resulting criteria is met.

Genetic algorithm best suited for:

  • It is well suited for decision-making environments.
  • It is used to solve complex and tedious problems, which involves hundreds or thousands of variables or formulas...

Explanation of Solution

Natural Language Processing:

Natural language processing is the process of making a computer to speak like a human being.

  • If this process is successfully implemented into a machine, then the voice communication between a human being and a machine becomes easy.

Examples of natural language processing in Business Applications:

  • Classification of text
  • Automatic summarization
  • Machine translation

Computer vision system:

Computer vision system is the process, which deals with how the computer can imitate the visual system of the human. It tends to know how the human view and extract information from the real-world images...

Explanation of Solution

Expert System:

  • A work performed by a human expert and the same task is performed by a computer application is known as expert systems.
  • The expert system is a knowledge-based system that models the professionals in that particular field.
  • It is a successful form of artificial intelligence software.

Working of expert system:

Expert system works based on the set of rules implemented in the software. These rules are acquired from the knowledge of the skilled that can be used by organization...

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5. Word FrequencyWrite a program that reads the contents of a text file. The program should create a dictio-nary in which the keys are the individual words found in the file and the values are the number of times each word appears. For example, if the word “the” appears 128 times, the dictionary would contain an element with 'the' as the key and 128 as the value. The program should either display the frequency of each word or create a second file containing a list of each word and its frequency.
3.) File Encryption and DecryptionWrite a program that uses a dictionary to assign “codes” to each letter of the alphabet. For example: codes = { ‘A’ : ‘%’, ‘a’ : ‘9’, ‘B’ : ‘@’, ‘b’ : ‘#’, etc . . .}Using this example, the letter A would be assigned the symbol %, the letter a would be assigned the number 9, the letter B would be assigned the symbol @, and so forth. The program should open a specified text file, read its contents, then use the dictionary to write an encrypted version of the file’s contents to a second file. Each character in the second file should contain the code for the corresponding character in the first file. Write a second program that opens an encrypted file and displays its decrypted contents on the screen.
Returns an US standard formatted phone number, in the format of      (xxx) xxx-xxxx           the AreaCode, Prefix and number being each part in order.           Testing Hint: We be exact on the format of the number when      testing this method. Make sure you think about how to convert      33 to 033 or numbers like that when setting your string format. Reminder      the %02d - requires the length to be 2, with 0 padding at the front if a single      digit number is passed in.
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