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.

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.

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.

📌 Key Moment

In November 2022, OpenAI released ChatGPT — and 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.

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 & assistants (ChatGPT, Claude, Grok, Gemini) — you type a question, they answer in natural language
• Image generators (Midjourney, DALL-E, Adobe Firefly) — describe a picture in words, AI creates it from scratch
• Voice AI (Siri, Alexa, Google Assistant) — understands and responds to spoken language
• AI in products you already use — Gmail smart reply, Google Maps traffic, Spotify recommendations, YouTube autoplay

How Does It Actually Work?

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

"The AI doesn't look up answers like a search engine. It predicts what a helpful, knowledgeable response would look like — based on everything it has learned."

Think of it this way: the AI has read billions of articles, books, websites, and conversations. From all of that, it learned the patterns of how language works, what words mean, and how humans respond to questions.

This is also why it can sometimes get things wrong — it's predicting a good answer, not consulting a verified database of facts.

AI vs Machine Learning vs Deep Learning

Term	What It Means	Example
Artificial Intelligence	Any machine that mimics human thinking	Chess computers, ChatGPT
Machine Learning	AI that learns from examples, not rules	Spam filter, Netflix
Deep Learning	ML using brain-inspired layered networks	Face recognition, voice AI
Large Language Models	Deep learning designed for language	ChatGPT, Claude, Grok

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

Should You Be Excited or Worried?

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

✅ The Excitement

People are using AI to learn faster, do more in less time, get answers they were embarrassed to ask a person, and build things that previously required a full team.

⚠️ The Worry

AI can make things up confidently, spread misinformation, change the job market, and raises real privacy questions — all while advancing faster than most can track.

The One Thing to Take Away

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.

💡 Best Way to Learn

It's not magic. It's not sentient. But it is genuinely powerful and worth understanding. The best way to understand it is to try it. Open ChatGPT or Claude right now and ask your first question.

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;

    }

}