What is the source of open source software?||WebTech||SAHIL2107||

What is open source software


Open source software (OSS) is called software whose source code is completely viewable and changeable by public. If you say so, it is open. Even when the source code is not viewable and is not publicable by public, then such softwares are called closed or proprietary software.

Note Source code is a behind-the-scenes programming part called a software that users can not usually see. All the instructions and instructions are taken into the source code of how software works and how all the software functions work. Source Code is accessible only to developers.

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What is PayPal and Types of Paypal Account || WebTech ||SAHIL2107||

What is PayPal 

PayPal is a Popular American Company. It runs an online payment service worldwide. It allows an ordinary person or a trader to transfer and receive funds in an electronic way.

This is a great option for traditional paper methods such as checks and money orders, which people used to use earlier.

Through PayPal, any trader can transfer his or her money anywhere and anywhere in the world in an easy and secure way.
When a person starts doing online business, he needs a means to send or receive his payment.

Generally when we have to pay, we pay with our credit card or Debit Card, but if we want payment, then we have to get help with payment services such as PayPal or Google wallet.

• PayPal is the oldest and most trusted online payment service. PayPal service allows us to transact national and international money through internet.

• 
  
• PayPal today has 100 million member accounts in 190 countries of the world. This suggests that with the use of PayPal today, people across the country trust their money with ease.

• No special technology or license is needed to transfer money from PayPal, most important is to create an account in it, have a valid e-mail id and bank account.

• Actually PayPal works via e-mail addresses. how? Let's now know about it. Before this let's know about its type

Types of Paypal Account

Personal Account

Since its name is personal, it is very easy to know that these accounts are used for personal use.

Premier Account

Compared to Personal Accounts, you can transact credit or debit card payments in unlimited amounts here. But all the payments you receive are charged above.

Business Account

These accounts have been designed specifically for businesses. Which you can operate in a business in the name of a company or group name

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How to create a PayPal account || WebTech || Sahil2107 ||

If you also want to create an account on your PayPal account, you can do so.

On PayPal, you can easily create your own PayPal account in just a few minutes. For this you have to follow the steps given below.

Step 1:
First you have to go to PayPal.com website. Click on Sign Up button there. Then select your personal account and then click Continue.

Now you have to fill some options such as: -

1. Country Select.
2. Fill out your email address.
3. Enter a strong password. If you want, you can use gmail password.
4. Now fill out the password once more again.
5. Fill the Captcha code correctly.

Click on continue now.


Step 2:
Once you click on continue, a new window will open in front of you. Now let's know what you have to do next.

1. First name and middle name you have to fill.
2. You will then have to fill in the last name.
3. Fill your date of birth.
4. Select your country.
5. Then fill out your address.
6. Again you have to fill the address again.
7. Now select your state.
8. Then fill in your city's zip code.
9. Then enter your mobile number.
10. Now you have to tick Agree policy.
11. Now you have to click on agree and create account to proceed.

After doing all the steps mentioned above, a mail will be sent to your email which you have to verify and put it here.

Important Documents for Paypal Account

If you want to open your own Paypal Account, then you will have to use these three things.

1. Bank Account (for getting money)
2. PAN Card (for Verification)
3. Debit or Credit Card (for sending money)

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What is Windows / Operating System? Types of Windows / Operating Systems

What is Windows / Operating System?

Window is a computer system that works as a medium between user and computer. Computer is a machine so it can not understand our given command. So the work of Windows (operating system) is to explain the instructions given by us to the computer. With the help of the Windows operating system, the computer is able to complete the understanding of the instructions given to us. Simply put, the Windows operating system will not exist anymore.

The second definition of Windows (Operating System) can also be that by this the hardware is arranged by itself. Windows (Operating system) keeps the data of every program in the computer. With the help of which Window (Operating System) decides which resource the program will be using for so long.

Types of Windows / Operating Systems

There are many types of operating systems and can be divided in different ways, but the main types of these are only two. So know about different types of windows

1) Single User OS: Only one person can use the computer at a time in single user OS.

2) Multiple user OS: Multiple users can work with one or more people at a time on multi-user OS. Multiple user operating systems are used in large companies etc. where people have to work in conjunction.x

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How Browser Works - What is the Browser's System?

How Browser Works - What is the Browser's System?

To connect to the content on the Internet, location (a simple computer) or address (name of this computer) is required. Know this location or address by the name of the URL. The full form of the URL is Uniform Resource Location. Any URL has two parts. The first part is the Protocols (the system of information exchange among computers) and the second part is the Domain Name.

Through Browser we can access these URLs The contents of these URLs are in the form of HTML Document or Webpage. These Documents are written by special HTML Commands. Browsers read these Special Commands (HTML Tags) and they define them, then Users will display the information in front of us.



In this way we can say that the browser goes to the web address first. Then reads and understands the contents of the web address at that web address. Afterwards it conveys to users.
The website is used to open / run anything in the browser. This website is available on the internet which is made by different people. You can easily create it by learning that the website is connected to a particular type of server through which We can run that website. But keep in mind one thing for this, our computer or laptop in which we are opening a web browser must have internet. In the past, Internet Explorer was used only for the Internet, but today many web browsers have come into the market, which we can use to run the Internet like Mozilla Firefox, Google Chrome etc. We will discuss them in detail in detail below.

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Who searched the web browser

The thing is from the 90's. When Mr. Tim Berners Lee was working on the system of sharing information on the computer. They made this work easy by hyperlinks. Hyperlink is a command of HTML language.

Its history begins, when Tim Berners-Lee developed the World Wide Web in 1989. This was the person who discovered the first web browser. The name of the world's first web browser was worldwideweb, which was later changed to Nexus. It was released in the early months of 1991, if it was meant to be built. if it was meant to be built.He created HTML Language to get the information on a computer on another computer. HTML is written in Special Commands. These Special Commands are known as "HTML Tags". Now the problem was that everyone could not understand these tags. Then he created a program that understood HTML tags. This program displayed HTML tags and displayed the information just before the user. It has become very easy to share and read information.Tim Berners Lee named his program "Browser". Which we know today as Web Browser. Thus, the world's first browser was completed in 1991. The name of the first web browser was "WWW". WWW stands for World Wide Web.x 

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What is Web Browser?

What is Web Browser? 

Although this is not a word you have not heard about. Because nowadays everyone uses the Internet to search for information. You may not know this by name in the name of web browser but by UC Browser, Chrome Browser, Opera Mini, Firefox, Internet Explorer. But in reality this is all Web browser. Now because they are made by different software companies, their names are also different.

The web is like a huge book and a web browser is a software that connects computers to the Internet. This is very important software. The browser is a common means of viewing the site on the word wide web. Using these software, we are able to connect to the Internet, and get the information you like from the web. It controls many tasks such as e-mail, news, talking to the internet, conversations, multimedia, etc.


The browser is also considered a web client because in the client model it works like a client program. The browser makes contact with the web server and requests for the information.


Using a web browser, we can type its address on a particular page or location, this address is called URL.


Some major web browsers have the following: -


Netscape Navigator
Microsoft Internet Explorer
Mozilla Firefox
NCSA Mosaic
Opera
Safari
Chrome (Chrome)

Web browser examples

A web browser is the most important software of a computer. Without this any online service can not be taken. Whether it is watching the video or taking information from any website, there is no existence of internet without using it. So now you may have understood what a web browser is like. We give you some examples of web browser, so you will understand it completely.

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what is computer ?

Computer is an electronic device that performs mathematical and agonistic functions. It takes data as input, processes them and provides meaningful results as output. We gather immature facts as statistics and these statistics are put into the computer. The computer provides information to us by processing these data.

Often people think that the computer is like an omnipotent superman, but it is not so. It is only an automated electronic machine that acts fast and does not make mistakes. Its capacity is limited. It is composed of the English word compute, which means to calculate. In Hindi it is called a computer. It is used to process and collect a lot of information.


The computer is an instrument and processes it for any result according to the software or program. The computer has been termed as artificial intelligence. Its memory power is higher than in humans.

Computer Features:

• It acts fast, i.e. time saves.
• It works in errorlessly.
• It allows permanent and large storage capacity.
• It is capable of making intense decisions according to the prescribed instructions.etc

Computer Use:

• In the feild of education
• In scientific research
• In railway and air passenger reservation
• in bank
• In defense
• In business
• In communication
• In the entertainment etc.

Computer work

• Data Collection
• Data Storage
• Data Processing
• Data Output

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Who invented the computer?

Father Of Computer Charles Babbage

What is the father of modern computer? Many such people have contributed to this computing field. But more than all of these contributions are from Charles Babage. Because he was the first to reach Analytical Engine in 1837.

In his engine, the concept of ALU, Baisc Flow control and Integrated Memory was introduced. Nowadays computers have been designed by base only on this model. That's why they contributed most. Then he is also known as the father of computer.

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How To Delete Permanently Files From Computer Delete files forever

How To Delete Permanently Files From Computer

Technology is growing so fast in today's time as if nothing is completed while not technology. you can keep a small memory card or hard disk, like photos, videos, or store files, at a time once it absolutely was not nigh this is be} a standard factor in today's time and that we can save information in my mobile phone or laptop and may delete those files in an exceedingly pinch. whether or not or not it will simply delete Delete files, however repeatedly we would like the files we've got deleted to be recovered, which means that nobody will bring it back, in today's article, i will be able to tell you ways to delete any files from the fixed disk of your pc or laptop, from the phone or from the memory card, for good delete files (How to for good Erase data in order that It can't Be Recovered in hindi) permanently Erase data Hindi in order that It Kannot B Rekoverd these.

Many times we have some sensitive information within the pc or mobile storage that we tend to don't need within the wrong hands of somebody else and if they misuse it, then we have a tendency to delete the vital files (our files) on our hard disc or mobile Memory card and that we feel that it's forever been found to be it can't see it once more, however maybe you recognize that any delete files we tend to get With the assistance of Recovery computer code, you'll be able to easily apprehend back and use it to try to to therefore, in order that no user will recover our deleted files although there square measure Photos. Once deleted, if he can't recover it, then here we tend to square measure getting to use the File device computer code. currently many folks can have queries within the question of what's FILE device? File Shredder may be a free and extremely powerful computer code that helps you to delete your files for good from the hard disc of the pc in order that they'll not recover it back, therefore let's understand. the way to for good delete files a way to for good Delete knowledge in order that It can't Be Record.

How to Delete Perma

nently Files Delete from Computer Hard Disk, Phone or Memory Card

•  1. Download and install File Shredder

Just like we need a software to bring back the deleted files from the computer. Same in the same way, if you want to delete your Sensitive Data permanently, then you will need a software that is named File Shredder, then you have to download this software and install it in your computer or Laptop system. This software is free for you. By downloading on click software can download 

                                                             (Download Software).



File Shredder

•  2. Now select files or folders or select disk space

As soon as you open the software after installing it, you will see a small window, then here you will get the option of add files, add folder and shred free disk space. Here you will get three main options if you need it. According to the calculation
Add files: You can use this option when you have to make any selected files such as photos permanently delete files permanently so that they can not recover them.


Add Folder: You can use this option when you have to delete an entire folder forever so that you can not recover it. You can choose the Add Folder option


Shred free disk space: You can use this option if you want to delete files permanently from a full memory card, hard disk or hard disk partition, then you can do this option Can use

•  3. Now click on shred files now

As soon as you add folder files, you just have to click on Shred Files Now, to do Permanently Delete files, then you have to click Ok, you have the files you have Shredd means that the files will be deleted forever, after which the files will be almost impossible to recover.
Permanently Files Delete

After this, if you have to delete files, folder documents from the hard disk partition, then you just have to click on the shred free disk space, then you have to select your hard disk partition or memory card then dod 5220 -22.M option and then click on NextPick and then click on Start


delet files from computer
So this process will take some time as soon as it becomes 100%, then after recovering the files will be very embarrassing, so in this way you can delete any deleted files forever so that no one can recover it. With the help of software,x

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How is the data lost? What is Data Recovery? And how does it work?

How is the data lost? What is Data Recovery? And how does it work?

 Most people, in their computer laptops, need their essential documents such as Photos, Videos, Required files such as Word file, PowerPoint files on your computer or Laptop system's hard drive ) Now, in such cases, we accidentally delete our required documents, or if someone sends our data incorrectly, then we think how we can delete Recover Data (Delete Data)

Data Lost Recovery

At some point of time many of us have gone through the lost situation. Our data is lost with viruses, corrupt or non-accessable desktops, laptops or other external storage. The most common data in this post is description of the status of deletion and there is information about data recovery.

Data Recovery:

Data Recovery in Simple Language is the process of restoring lost data. This data recovery process may vary depending on the data being lost.

Accidentally delete of file or folder:

When you delete a file, it is not removed immediately from the drive, but the delete is placed on the drive and they remain in the drive unless another file is overwritten. During this time, the original file can be retrieved several times as a disconnected frigate.

In this case, you can easily recover the data from good data recovery software before overwriting these files. This software scans the entire drive to find deleted entrees from Master File Table (MFT). And then define the cluster chain for recovery for these deleted entrees and then copy the data from these clusters into new ones. But before using the data recovery software, you should know about the file system.

Damage File System format:

There is a method and data structure of the operating system to keep track of files in a file system disk or partition. It can be damaged by virus or wrong instruction. The Windows operating system consists of two file systems: NTFS and FAT. When you format the drive, this new file system creates the architecture and overwrites it.

Enabled Data Recovery Software can recover data from damaged partitions from the crash file system, which is fearless on available allocation information and the status of damage. Many times when the same file is formatted with the system, the probability of data recovery is high.

Corrupt partitions:

In some cases, the data on the hard drive is undevelopable due to the damaged Partitioner table. While transferring it to a file system and other file systems, virus can be infected or by creating new party tool with third-party tools.

In many cases, it is possible to recover deleted and damaged logical drives and data recovery from the Partition with the help of this Recovery Software.

Overwritten data:

When data is physically overwritten on previous data, then you lose old data. Unfortunately, due to such overwrite, data recovery is not possible.

Physical damage:

There are several reasons for failing hard drives, such as hardware overheating, electric current or moisture. In this case, you should take the drive to the special data recovery laboratory.





Share your experience if you've ever lost your data.

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