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7 July 2025

  • 15:2415:24, 7 July 2025 2.4.4 Algorithms (hist | edit) [1,813 bytes] Mr. Goldstein (talk | contribs) (Created page with "=== 2.4.4 Algorithms === You've broken down your problem (Decomposition), found similarities (Pattern Recognition), and focused on the important parts (Abstraction). Now it's time to create the instructions! An '''Algorithm''' is the fourth and final tool. It's a '''set of clear, step-by-step instructions''' for solving a problem or completing a task. Think of it like a recipe for baking a cake, or directions to get to a friend's house. Each step must be precise, so any...") Tag: Visual edit
  • 15:2015:20, 7 July 2025 2.4.3 Abstraction (hist | edit) [1,680 bytes] Mr. Goldstein (talk | contribs) (Created page with "=== 2.4.3 Abstraction === Imagine you're using a TV remote control. You press the "Volume Up" button, and the volume goes up. Do you need to know exactly how the electrical signals travel inside the remote, how they're sent to the TV, or how the TV's internal circuits adjust the sound? No! You just need to know that pressing the button makes the volume louder. '''Abstraction''' is the third tool. It means '''focusing on the important details and ignoring the unnecessary...") Tag: Visual edit
  • 15:1615:16, 7 July 2025 2.4.2 Pattern Recognition (hist | edit) [1,531 bytes] Mr. Goldstein (talk | contribs) (Created page with "=== 2.4.2 Pattern Recognition === After you've broken down a big problem, the next step is to look for clues! '''Pattern Recognition''' is the second tool. It means '''looking for similarities, trends, or repeating patterns''' in the smaller problems you've identified. Finding patterns can help you solve problems more efficiently because you might realize you've solved a similar problem before, or that parts of the problem can be solved in the same way. '''How it works...") Tag: Visual edit
  • 15:0615:06, 7 July 2025 2.4.1 Decomposition (hist | edit) [1,190 bytes] Mr. Goldstein (talk | contribs) (Created page with "=== 2.4.1 Decomposition === Imagine you have a giant, complicated LEGO set with thousands of pieces. If you just dump them all out and try to build the whole thing at once, it would be overwhelming, right? '''Decomposition''' is the first tool in our computational thinking toolbox. It means '''breaking down a big, complicated problem into smaller, more manageable parts.''' Each small part is easier to understand and solve on its own. '''How it works:''' When you decomp...") Tag: Visual edit
  • 14:3214:32, 7 July 2025 Computational Thinking (hist | edit) [893 bytes] Mr. Goldstein (talk | contribs) (Created page with "= 2.4 Computational Thinking = Imagine you have a super-smart way of thinking that helps you solve all sorts of problems, not just with computers, but in everyday life too! That's kind of what '''Computational Thinking''' is. It's a set of powerful skills that computer scientists use, but anyone can learn them to break down tough problems, find solutions, and make things work better. Think of it like having a special toolbox for your brain. Inside this toolbox, there ar...") Tag: Visual edit
  • 13:3813:38, 7 July 2025 2.3.3 Representing Algorithms (Flowcharts, Pseudocode) (hist | edit) [4,307 bytes] Mr. Goldstein (talk | contribs) (Created page with "== 2.3.3 Representing Algorithms (Flowcharts, Pseudocode) == Once we understand what a good algorithm is, the next step is to figure out how to write it down so that both humans and computers can understand it. Since algorithms are like recipes or plans, we need special ways to show their steps clearly. Two common ways to represent algorithms are '''flowcharts''' and '''pseudocode'''. === Flowcharts === Imagine drawing a map for a set of instructions. That's a bit like...") Tag: Visual edit
  • 11:3411:34, 7 July 2025 2.3.2 Characteristics of Good Algorithms (hist | edit) [4,039 bytes] Mr. Goldstein (talk | contribs) (Created page with "== 2.3.2 Characteristics of Good Algorithms == When we create an algorithm, we want it to be a ''good'' one. Just like a good recipe helps you bake a delicious cake every time, a good algorithm helps a computer solve a problem efficiently and correctly. Here are the main things that make an algorithm good: '''1. Correctness:''' The most important thing is that an algorithm must be '''correct'''. This means it always gives the right answer for every possible input it's d...") Tag: Visual edit
  • 11:2611:26, 7 July 2025 2.3.1 Definition of an Algorithm (hist | edit) [2,094 bytes] Mr. Goldstein (talk | contribs) (Created page with "== 2.3 Algorithms & Pseudocode == At the core of computer science lies the concept of the algorithm. An algorithm is a well-defined, step-by-step procedure for solving a problem or accomplishing a task. It's a sequence of unambiguous instructions that, when executed, produces a desired output within a finite amount of time. Understanding algorithms is fundamental to programming and problem-solving in computing, as they provide the logical blueprints for software and syst...") Tag: Visual edit

6 July 2025

  • 23:3323:33, 6 July 2025 2.2.3 Boolean Expressions & Simplification (hist | edit) [5,105 bytes] Mr. Goldstein (talk | contribs) (Created page with "Okay, let's move on to how computer scientists write down these logic rules using a kind of shorthand, and how they make those rules simpler! We're talking about '''Boolean Expressions & Simplification'''. === 2.2.3 Boolean Expressions & Simplification: Writing Down Logic Rules Simply === You've seen how logic gates make decisions (like AND, OR, NOT). But what if you have a really complicated set of decisions, with many gates all connected together? Drawing pictures of...") Tag: Visual edit
  • 23:2923:29, 6 July 2025 2.2.2 Truth Tables (hist | edit) [4,241 bytes] Mr. Goldstein (talk | contribs) (Created page with "Let's continue our journey into how computers make decisions by looking at '''Truth Tables'''! === 2.2.2 Truth Tables: The Rulebook for Logic Gates === Imagine you have a new game, and you want to know all the possible ways to play it and what happens in each situation. A '''Truth Table''' is kind of like that, but for logic gates! '''What is a Truth Table?''' A '''Truth Table''' is a special chart that shows '''all possible combinations of inputs''' to a logic gate (...") Tag: Visual edit
  • 23:2523:25, 6 July 2025 2.2.1 AND, OR, NOT, XOR, NAND, NOR gates (hist | edit) [8,400 bytes] Mr. Goldstein (talk | contribs) (Created page with "Let's explore the fundamental "decision-makers" inside every computer: '''Boolean Algebra and Logic Gates'''! === 2.2 Boolean Algebra & Logic Gates: The Computer's Decision Makers === Imagine a computer trying to figure out if it should do something. For example, "Should I open this app ''and'' play this sound?" or "Should I save this file ''or'' delete it?" Computers don't have brains like ours to make these choices. Instead, they use a special kind of math called '''B...") Tag: Visual edit
  • 23:1323:13, 6 July 2025 2.1.4 Image, Audio, and Video Representation (Basic) (hist | edit) [5,945 bytes] Mr. Goldstein (talk | contribs) (Created page with "Okay, let's explore how computers handle the fun stuff – pictures, music, and movies! It all comes down to turning those sights and sounds into the computer's secret language of 0s and 1s. === 2.1.4 Image, Audio, and Video Representation: Bringing Sights and Sounds to Life! === You've learned that computers understand text by giving each letter a number. But how do they "see" a photograph, "hear" a song, or "watch" a video? It's all about breaking these things down in...") Tag: Visual edit
  • 23:0723:07, 6 July 2025 2.1.3 Character Encoding (ASCII, Unicode, UTF-8) (hist | edit) [5,649 bytes] Mr. Goldstein (talk | contribs) (Created page with "Okay, let's unlock another secret of how computers understand our language: '''Character Encoding'''! === 2.1.3 Character Encoding: How Computers Read Your Words === You're reading these words right now, but how does your computer know that the pattern of 0s and 1s it stores is supposed to show you the letter 'A' or the symbol '?'? It's because of something called '''character encoding'''. Think of character encoding like a giant secret codebook or a dictionary that bo...") Tag: Visual edit
  • 22:5922:59, 6 July 2025 2.1.2 Number Systems (Decimal, Binary, Octal, Hexadecimal) (hist | edit) [11,791 bytes] Mr. Goldstein (talk | contribs) (Created page with "== 2.1.2 Number Systems: The Different Ways We Count! == You know how we use numbers every day for counting, measuring, and so much more? Well, the way we write and understand those numbers is called a '''number system'''. You might think there's only one way to count, but computers use different systems than we do, and sometimes computer scientists use special ones to make their work easier! === Decimal (Base-10): Our Everyday System === This is the number system you u...") Tag: Visual edit
  • 22:4622:46, 6 July 2025 2.1.1 Binary Numbers (Bits, Bytes) (hist | edit) [6,526 bytes] Mr. Goldstein (talk | contribs) (Created page with "== How Computers Understand the World: Foundational Concepts == Have you ever wondered how your computer, phone, or tablet actually "sees" and "hears" all the information you give it? It's not magic! Computers have a special way of understanding everything, from the words you type to the pictures you see and the music you listen to. It all comes down to something called '''data representation'''. === 2.1 Data Representation: The Computer's Secret Language === Imagine yo...") Tag: Visual edit
  • 22:2522:25, 6 July 2025 1.4.1 Theoretical CS, Algorithms, Data Structures, AI, ML, Cybersecurity, Networking, etc. (hist | edit) [7,304 bytes] Mr. Goldstein (talk | contribs) (Created page with "=== Personal Computers & the Internet: How They Changed Our World === Imagine a time when computers were huge machines that took up entire rooms and were only used by governments or big companies! That's how it used to be. But then, some amazing things happened that changed everything, bringing computers into our homes and connecting us all through the internet. '''Personal Computers Come to Life''' For a long time, computers were special and expensive, designed mostly...") Tag: Visual edit
  • 13:4613:46, 6 July 2025 1.3.1 Ada Lovelace, Alan Turing, Grace Hopper, Dennis Ritchie, Linus Torvalds, etc. (hist | edit) [41,708 bytes] Mr. Goldstein (talk | contribs) (Created page with "'''Key Figures in Computer Science''' = Computer Science Heroes: The Brilliant Minds Who Shaped Our Digital World = === 1. Introduction: What is Computer Science and Why Do We Need Heroes? === Computer science is an exciting field that explores how computers work, from the tiny chips that power smartphones to the vast networks connecting the entire world. It is a discipline focused on solving problems, creating innovative tools, and understanding how information can be...") Tag: Visual edit
  • 13:2913:29, 6 July 2025 1.2.6 Personal Computers & the Internet (hist | edit) [2,864 bytes] Mr. Goldstein (talk | contribs) (Created page with "...This page in progress.") Tag: Visual edit
  • 13:2513:25, 6 July 2025 0.0.0 About this Wiki (hist | edit) [282 bytes] Mr. Goldstein (talk | contribs) (Created page with "This Wiki was generated using Aritificial Intelligence (AI) Gemini Flash 2.5. Some reports were generated with using the "Deep Research" option of Gemini. This wiki is for educational purposes and experimental purposes, using AI to generate content. We hope you enjoy our Wiki.") Tag: Visual edit

5 July 2025

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