What Is AI? (And Why Everyone Is Talking About It)

If you've been hearing the word "AI" everywhere — at work, in the news, from your kids — and you're not entirely sure what it actually means, this article is for you. No tech background needed. No jargon. Just a clear, honest explanation.

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Let's Start With the Simple Answer

AI stands for Artificial Intelligence. At its core, it means teaching computers to do things that normally require human thinking — like understanding language, recognizing faces, making decisions, or writing text.

When you talk to Siri, get a Netflix recommendation, or see a spam email get filtered automatically — that's AI at work. It's been around in small ways for decades. But something changed dramatically around 2022, and that's why everyone is suddenly talking about it.

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What Changed? Why Now?

For years, AI was impressive but limited. It could beat humans at chess. It could recognize a photo of a cat. But it couldn't hold a conversation, write an essay, or explain a complex idea in plain language.

Then came a new type of AI called Large Language Models — or LLMs. These are trained on enormous amounts of text from the internet, books, and articles. The result? AI that can read and write almost like a human.

In November 2022, OpenAI released ChatGPT — and the world's reaction was immediate. It reached 100 million users in just two months, faster than any technology in history. Suddenly, ordinary people — not just engineers — could have a real conversation with a machine and get genuinely useful answers.

Since then, every major tech company has launched their own version. Google made Gemini. Anthropic made Claude. Elon Musk's company made Grok. The race is on, and it's moving fast.

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AI Is Not One Thing — It's Many

This is where people often get confused. "AI" is actually an umbrella term covering many different technologies:

Chatbots and assistants (ChatGPT, Claude, Grok, Gemini) — you type a question, they answer in natural language. This is what most people interact with today.

Image generators (Midjourney, DALL-E, Adobe Firefly) — you describe a picture in words, and AI creates it from scratch.

Voice AI (Siri, Alexa, Google Assistant) — AI that understands and responds to spoken language.

AI in products you already use — Gmail's smart reply, Google Maps' traffic prediction, Spotify's song recommendations, YouTube's autoplay. These are all powered by AI.

When most people say "AI" in 2026, they usually mean the chatbot kind — the ones you can have a conversation with. That's what this blog series focuses on.

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How Does It Actually Work? (The Simple Version)

You don't need to understand the technical details to use AI. But a basic idea helps.

Think of it like this: the AI has read a massive amount of human writing — billions of articles, books, websites, and conversations. From all of that, it learned the patterns of how language works, what words mean, how ideas connect, and how humans respond to questions.

When you type something to it, it doesn't "look up" an answer like a search engine does. Instead, it predicts what a helpful, knowledgeable response would look like — based on everything it has learned.

This is why it can write poems, explain science, debug code, and give cooking advice all in the same conversation. It learned from human writing that covered all of those things.

It's also why it can sometimes get things wrong — it's predicting what a good answer looks like, not consulting a database of verified facts.

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AI vs Machine Learning vs Deep Learning — What's the Difference?

You'll hear these terms used interchangeably, but they're not quite the same:

Artificial Intelligence (AI) is the broad idea — any machine that mimics human thinking.

Machine Learning (ML) is a specific approach within AI — instead of programming a computer with rules, you show it thousands of examples and let it learn the patterns itself.

Deep Learning is a technique within Machine Learning — it uses networks inspired by how the human brain works, with layers of connections that process information in stages.

Large Language Models (LLMs) like ChatGPT and Claude are a type of deep learning model specifically designed for language.

In everyday conversation, using these terms interchangeably is fine. But now you know they're nested inside each other: Deep Learning ⊂ Machine Learning ⊂ AI.

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Should You Be Excited or Worried?

Honestly — both reactions are reasonable, and both are widely shared.

The excitement comes from the genuine usefulness. People are using AI to learn new skills faster, do more work in less time, get answers to questions they were embarrassed to ask a person, and build things that previously required a full team.

The worry comes from real concerns too — AI making things up and sounding confident, AI being used to spread misinformation, AI changing the job market, privacy questions, and the simple discomfort of a technology that's advancing faster than most of us can track.

This blog series will address all of it — the useful, the risky, and everything in between. The goal isn't to sell you on AI or scare you away from it. It's to give you a clear, honest picture so you can make your own informed decisions.

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The One Thing to Take Away From This Article

AI, at its most practical level today, is a tool you can have a conversation with. It has read an enormous amount of human knowledge and can help you think, write, learn, research, and create — in plain language, no technical skills required.

It's not magic. It's not a sentient being. It's not going to become Skynet tomorrow. But it is genuinely powerful, genuinely useful, and genuinely worth understanding.

And the best way to understand it is to try it.

Datatable, DataSet, Dataview and SQL query

Task: Datatable, DataSet, Dataview and SQL query

Description: Datatable, DataSet,  Dataview and SQL query.

1) Merge two DataTable into one.

var dt1 = new DataTable(); //contain data

var dt2 = new DataTable(); //contain data

var result = dt1.AsEnumerable()

    .Union(dt2.AsEnumerable());

DataTable dtnew = result.CopyToDataTable();

2) DataView Example of rowfilter, distinct and sorting .

DataTable dt= new DataTable(); //contain data
DataView dv = new DataView(dt);

dv.RowFilter = "status =1";

dt = dv.ToTable();

DataTable dtprod= new DataTable(); //contain data

DataView dv = new DataView(dtprod);

dv.RowFilter = "status =1";

string[] colname = { "product_id", "product_name", "product_code", "price", "quantity" };

dv.Sort = "product_code asc";

dtprod= dv.ToTable(true, colname);

3) SQl query for permission of execution of execute/create/delete/update and and few more quries.

sp_helptext StoredProcdeureName

GRANT privileges ON object TO user;

REVOKE privileges ON object FROM user;

Execute permission stored procdeure for user

GRANT EXECUTE TO username;

other permission to user

GRANT SELECT, INSERT, DELETE, UPDATE TO username;


//Delete Duplicate Rows in a Table.

DELETE

FROM TABLENAME

WHERE ID NOT IN

(

SELECT MAX(ID)

FROM TABLENAME

GROUP BY duplicateColumn1, duplicateColumn2)

Image Resize with auto-crop

Task: Image resize, auto-crop and auto scale.

Description: Here is sample code for image resize with auto-crop while maintaining its ratio. below function we need to pass image path, maximum width and height for resizing. And then below code will resized to given width & height & crop the remaining part which not covered under given measurement. 

public void drawimage(string ThumbnailPath, int maxwidth, int maxheight)

    {

        System.Drawing.Image image = System.Drawing.Image.FromFile(ThumbnailPath);

       

        if (maxheight == 0 || maxwidth == 0)

        {

            maxwidth = image.Width;

            maxheight = image.Height;

        }

        Size ThumbNailSize = setimagesize(maxwidth, maxheight, image.Width, image.Height);

        System.Drawing.Image ImgThnail;

        if (image.Width < maxwidth || image.Height < maxheight)

        {

            ImgThnail = new Bitmap(ThumbNailSize.Width, ThumbNailSize.Height);

        }

        else

        {

            ImgThnail = new Bitmap(maxwidth, maxheight);

        }

       

        System.Drawing.Graphics graphics = System.Drawing.Graphics.FromImage(ImgThnail);

        graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;

        graphics.SmoothingMode = SmoothingMode.HighQuality;

        graphics.PixelOffsetMode = PixelOffsetMode.HighQuality;

        graphics.CompositingQuality = CompositingQuality.HighQuality;

        if (image.Width < maxwidth || image.Height < maxheight)

        {

            graphics.DrawImage(image, 0, 0, ThumbNailSize.Width, ThumbNailSize.Height);

        }

        else

        {

            int xcord = 0;

            int ycord = 0;

            {

                xcord = (ThumbNailSize.Width - maxwidth) / 2;

                ycord = (ThumbNailSize.Height - maxheight) / 2;

            }

            graphics.DrawImage(image, -xcord, -ycord, ThumbNailSize.Width, ThumbNailSize.Height);

        }

        ImageCodecInfo[] info = ImageCodecInfo.GetImageEncoders();

        EncoderParameters encoderParameters;

        encoderParameters = new EncoderParameters(1);

        encoderParameters.Param[0] = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, 100L);

        string sExt = System.IO.Path.GetExtension(ThumbnailPath);

        if (sExt.ToString() == ".png")

        {

            Response.ContentType = "image/png";

            ImgThnail.Save(Response.OutputStream, image.RawFormat);

        }

        else

        {

            Response.ContentType = "image/jpeg";

            ImgThnail.Save(Response.OutputStream, info[1], encoderParameters);

        }

        image.Dispose();

    }

    // below code is my old one for calculating height and width with maintain image ratio.

public Size setimagesize(int maxwidth, int maxheight, int OriginalWidth, int OriginalHeight)

    {

        Size NewSize = new Size();

        if (OriginalHeight < maxheight && OriginalWidth < maxwidth)

        {

            NewSize = new Size(OriginalWidth, OriginalHeight);

            return NewSize;

        }

        int sNewWidth = OriginalWidth;

        int sNewHeight = OriginalHeight;

        int tempheight = 0;

        int tempwidht = 0;

        if (OriginalWidth >= OriginalHeight)

        {

            if (OriginalWidth >= maxwidth)

            {

                sNewWidth = maxwidth;

                sNewHeight = OriginalHeight * maxwidth / OriginalWidth;

            }

            if (sNewHeight < maxheight)

            {

                tempheight = sNewHeight;

                sNewHeight = maxheight;

                sNewWidth = sNewWidth * maxheight / tempheight;

            }

        }

        else

        {

            if (OriginalHeight >= maxheight)

            {

                sNewHeight = maxheight;

                sNewWidth = OriginalWidth * maxheight / OriginalHeight;

            }

            if (sNewWidth < maxwidth)

            {

                tempwidht = sNewWidth;

                sNewWidth = maxwidth;

                sNewHeight = sNewHeight * maxwidth / tempwidht;

            }

        }

        NewSize = new Size(sNewWidth, sNewHeight);

        return NewSize;

    }

WebService with JSON implementation

Task: WebService with JSON implementation in asp.net

Description: Here sample of WebService implementation in asp.net which returns only JSON format, default format of webservice is xml. But we have convert the xml response into JSON format here. As nowdays we need to JSON for IPHON and Android App. Also we can use WebApi which is latest technology. Which we will describe later. 

using System;

using System.Collections;

using System.Linq;

using System.Web;

using System.Web.Services;

using System.Web.Services.Protocols;

using System.Xml.Linq;

using System.Web.Script.Services;

using System.Data;

using System.Web.Script.Serialization;

using System.Collections.Generic;

using System.IO;

/// <summary>

/// Summary description for MyWebService

/// </summary>

[WebService(Namespace = "http://www.weburl.com/")]

[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]

// To allow this Web Service to be called from script, using ASP.NET AJAX, uncomment the following line.

 [System.Web.Script.Services.ScriptService]

public class MyWebService : System.Web.Services.WebService {

   

    [WebMethod]

    [ScriptMethod(ResponseFormat = ResponseFormat.Json)]

    public void ShowUserDetail(string userid, string accesstoken)

    {

        MyUser myuser = new MyUser();

        List<MyUser> buser = new List<MyUser>();

        bool status = myuser.ShowProfile(userid, accesstoken);

        if (status)

        {

            Status = "Success";

            StatusMessage = "Success With Data";

            buser.Add(bringuser);

        }

        else

        {

            Status = "Failed";

            StatusMessage = "Authentication Failed";

        }

        var resp = new JSONEnvelope<MyUser>(buser, Status, StatusMessage);

        JavaScriptSerializer Machinejson = new JavaScriptSerializer();

        this.Context.Response.AppendHeader("Access-Control-Allow-Origin", "*");

        this.Context.Response.ContentType = "application/json; charset=utf-8"; // to remove xml tag from response

        this.Context.Response.Write(Machinejson.Serialize(resp));

    }

}

Here is Class for getting Data from database . 

/// <summary>

/// Summary description for MyUser

/// </summary>

public class MyUser

{

      public int Id { get; set; }

      public string UserName { get; set; }

      public string firstName { get; set; }

      public string Email { get; set; }

      public string phone { get; set; }

      public string profile_pic_url { get; set; }

      public string shortdescrition { get; set; }

public bool ShowProfile(string userid, string accesstoken)

      {

          DataLayer dl = new DataLayer();

          DataTable dt = dl.GetProfile(userid, accesstoken ); // Return Datatable

          if (dt.Rows.Count > 0)

          {

              Id = Convert.ToInt32(dt.Rows[0]["id"]);

              UserName = dt.Rows[0]["username"].ToString();

              firstName = dt.Rows[0]["firstname"].ToString();

              Email = dt.Rows[0]["email"].ToString();

              phone = dt.Rows[0]["phone"].ToString();

              profile_pic_url = dt.Rows[0]["profile_pic_url"].ToString();

              shortdescrition = dt.Rows[0]["shortdescription"].ToString();

              return true;

          }

          return false;

      }

}

 

Here Class for generating a Envelope for JSON response. 

public class JSONEnvelope<T>

{

    public List<T> Data { get; private set; }

    public string Status { get; set; }

    public string StatusMessage { get; set; }

    public JSONEnvelope(IEnumerable<T> items, string status, string statusmessage)

    {

        Data = new List<T>(items);

        Status = status;

        StatusMessage = statusmessage;

    }

}