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computer and artificial intelligence notes for easy understanding
Typology: Schemes and Mind Maps
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About the book Artificial Intelligence (AI) is being widely recognised to be the power that will fuel the future global digital economy. AI in the past few years has gained geo-strategic importance and a large number of countries are striving hard to stay ahead with their policy initiatives to get their country ready. India’s own AI strategy identifies AI as a n opportunity and solution provider for inclusive economic growth and social development. The report also identifies the importance of skills-based education (as opposed to knowledge intensive education), and the value of project related work in order to “effectively harness the potential of AI in a sustainable manner” to make India’s next generation ‘AI ready’. As a beginning in this direction, CBSE introduced Artificial Intelligence as an optional subject at Class IX from the Session 2019-2020 onwards. Also, to enhance the multidisciplinary approach in teachinglearning so as to sensitize the new generation, it was decided that schools may start AI “Inspire Module” of 12 hours at class VIII itself. CBSE has extended this subject to class X as well from the Session 2020-2021. CBSE is already offering various skill subjects at secondary and senior secondary level to upgrade the skills and proficiency of the young generation and also to provide them awareness to explore various career options. Ai secondary level, a skill subject may be offered as additional sixth subject along with the existing five compulsory subjects. CBSE acknowledges the initiative by Intel India in curating this Facilitator Handbook, the AI training video and managing the subsequent trainings of trainers on the Artificial Intelligence Curriculum. The aim is to strive together to make our students future ready and help them work on incorporating Artificial Intelligence to improve their learning experience. Table of Contents Introduction to AI: Foundational Concepts ........................................................................................ 9 What is Intelligence? ....................................................................................................................... 9 Decision Making ............................................................................................................................ 12 How do you make decisions? .................................................................................................... 12 Make Your Choices! .................................................................................................................. 12 What is Artificial Intelligence? ...................................................................................................... 14 How do machines become Artificially Intelligent? ....................................................................... 14 Applications of Artificial Intelligence around us ........................................................................... 15
Recap ............................................................................................................................................. 42 Recap 1: Jupyter Notebook ....................................................................................................... 42 Introduction to Virtual Environments ....................................................................................... 43 Recap 2: Introduction to Python ............................................................................................... 47 Applications of Python .............................................................................................................. 48 Recap 3: Python Basics .............................................................................................................. 48 Python Packages ........................................................................................................................... 52 Data Sciences .................................................................................................................................... 54 Introduction .................................................................................................................................. 54 Applications of Data Sciences ....................................................................................................... 55 Getting Started .............................................................................................................................. 57 Revisiting AI Project Cycle ......................................................................................................... 57 Data Collection .......................................................................................................................... 62 Data Access ............................................................................................................................... 63 Basic Statistics with Python .......................................................................................................... 66 Data Visualisation ......................................................................................................................... 67 Data Sciences: Classification Model .............................................................................................. 71 Personality Prediction ............................................................................................................... 71 K-Nearest Neighbour: Explained ............................................................................................... 72 Computer Vision ............................................................................................................................... 75 Introduction .................................................................................................................................. 75 Applications of Computer Vision .................................................................................................. 76
Computer Vision: Getting Started ................................................................................................. 78 Computer Vision Tasks .................................................................................................................. 78 Classification ............................................................................................................................. 78 Classification + Localisation ...................................................................................................... 78 Object Detection ....................................................................................................................... 78 Instance Segmentation ............................................................................................................. 78 Basics of Images ........................................................................................................................ 79 Basics of Pixels .......................................................................................................................... 79 Image Features.............................................................................................................................. 84 Introduction to OpenCV ................................................................................................................ 85 Convolution ................................................................................................................................... 86 Convolution : Explained ............................................................................................................ 88 Convolution Neural Networks (CNN) ............................................................................................ 91 Introduction .............................................................................................................................. 91 What is a Convolutional Neural Network? ............................................................................... 92 Convolution Layer ..................................................................................................................... 93 Rectified Linear Unit Function .................................................................................................. 94 Pooling Layer ............................................................................................................................. 95 Fully Connected Layer ............................................................................................................... 96 Natural Language Processing ............................................................................................................ 99 Introduction .................................................................................................................................. 99 Applications of Natural Language Processing ............................................................................. 100
Recall ....................................................................................................................................... 125 Which Metric is Important? .................................................................................................... 126 F1 Score ................................................................................................................................... 127 Introduction to AI: Foundational Concepts
Humans have been developing machines which can make their lives easier. Machines are made with an intent of accomplishing tasks which are either too tedious for humans or are time consuming. Hence, machines help us by working for us, thereby sharing our load and making it easier for us to fulfil such goals. Life without machines today is unimaginable, and because of this, humans have been putting efforts into making them even more sophisticated and smart. As a result, we are surrounded by smart devices and gadgets like smartphones, smartwatches, smart TV, etc. But what makes them smart? For example, how is a smartphone today different from the telephones we had in the last century?
implementation in writing or verbally.
relationship of one object to another.
manilr.
recognize and create sounds, rhythms, and sound patterns.
Starting from realizing weakness, strength, to his own feelings.
spiritual awareness.
by understanding other people's feelings & influence of the person. But even though one is more skilled in intelligence than the other, it should be noted that in fact all humans have all 9 of these intelligences only at different levels. One might be an expert at painting, while the other might be an expert in mathematical calculations. One is a musician, the other is an expert dancer. In other words, we may define intelligence as:
The basis of decision making depends upon the availability of information and how we experience and understand it. For the purposes of this article, ‘information’ includes our past experience, intuition, knowledge, and self-awareness. We can’t make “good” decisions without information because then we have to deal with unknown factors and face uncertainty, which leads us to make wild guesses, flipping coins, or rolling a dice. Having knowledge, experience, or insights given a certain situation, helps us visualize what the outcomes could be. and how we can achieve/avoid those outcomes.
You are locked inside a room with 3 doors to move out of the locked room and you need to find a safe door to get your way out. Behind the 1st^ door is a lake with a deadly shark. The 2nd^ door has a mad psychopath ready to kill with a weapon and the third one has a lion that has not eaten since the last 2 months.
The answer is gate number 3. The reason being that since the lion has not eaten for 2 months, he wouldn't have survived till now and would already be dead. This makes going out from gate 3 the correct option.
Aarti invited four of her friends to her House.. They hadn't seen each other in a long time, so they chatted all night long and had a good time. In the morning, two of the friends Aarti had invited, died. The police arrived at the house and found that both the friends were poisoned and that the poison was in the strawberry pie. The three surviving friends told the police that they hadn't eaten the pie. The police asked," Why didn’t you eat the pie ?". Shiv said, " I am allergic to strawberries.". Seema said, " I am on a diet." And Aarti said, "I ate too many strawberries while cooking the pie, I just didn't want anymore." The policemen looked at the pictures of the party and immediately identified the murderer.
The answer is Seema, can you guess how the police could tell? It’s because she said she is on a diet and in the picture, she is eating a burger and fries which means she lied. The above scenarios show that it’s the information which helps humans take good decisions. When a machine possesses the ability to mimic human traits, i.e., make decisions, predict the future, learn and improve on its own, it is said to have artificial intelligence. In other words, you can say that a machine is artificially intelligent when it can accomplish tasks by itself - collect data, understand it, analyse it, learn from it, and improve it. You will get to know more about it in the next unit. But, what makes a machine intelligent?
Humans become more and more intelligent with time as they gain experiences during their lives.
which get cool.