Soumendra Saha

  Disc Operating System (DOS) is a kind of operating system that resides on and can use any disk storage device such as hard disk, Optical disk or Floppy disk. User can interact with the operating only using commands. Some useful DOS commands are as below: Command Description break Enable and disable Ctrl+C feature. call Calls a batch file from another batch file. cd Changes directories. cls Clears the screen. cmd Opens the command Prompt color Change the foreground and background color of the MS-DOS window. command Opens the command Prompt date View or change the systems date. del Deletes one or more files. dir List the files/folders of one or more directory. echo Displays messages and enables and disables echo. erase Erase files from the computer. exit Exits from the command prompt goto Moves a batch file to a specific label or location. help Display a listing of commands and brief explanation. ipconfig Network command to view network adapter settings and assigned values. lock Lock t

 

  You must have heard from your friends or relatives that someone cheated him / her and transferred a large amount from his bank. Now a days, it is a common incident that hackers / fraud people misuse your UPI account and transfers money from your bank account. They commonly attack on your UPI account so we will discuss about UPI Apps today and learn how you can protect your account. 1. First of all make sure you have installed a genuine UPI app on your mobile. Some of the well know UPI apps are listed below: Google Pay Paytm PhonePe You may use any other app too but download only if you trust the source. 2. You will never have to enter the pin while accepting payment. Be careful when someone request you for any payment, and if you are asked for Pin while accepting payment, simply decline the transaction. 3. Never allow permission to you UPI apps from other apps, unless that is a trusted app and you are aware of making any payment. 4. Do not click on any link offering you a huge offer

You have heard about SEO and its importance for a website over a hundred times. It is an essential digital marketing tool. Still, if you have the little knowledge of SEO you cannot make the full use of the complex and multifaceted creature. Before telling you about the SEO and things involved in it, I should introduce you with its full form i.e. Search Engine Optimization. It is a valuable tool for brand awareness purposes on the internet. Furthermore, it holds its importance in the digital era because it attracts more traffic and opportunities to your website. While choosing a person for your website SEO purpose, the person must be trustworthy.  Let us move ahead and explore the elements included in SEO are:     Content: You should not forget that content is a vital part of SEO. It is the only vehicle for your website to connect with the audience. If you want to increase your visibility on the internet then try to write accurate content and do regular u

  Why website is required for a business. Some time ago, showcasing an independent company and its product was a tedious task. You needed to do a ton of legwork into promoting to tell individuals you were in the network. It's as yet a challenging task today Altough web based showcasing makes it so a lot simpler! Here I am Raising a question is Why not let a website do a portion of the work for you? You may have the option to limp along without a site for some time; however you'll in the long run fall behind. Going the blocks and-mortar-just course is simply not a feasible method of activity any longer — it seriously restricts your crowd and closes out so numerous possible clients. The greater part of the world won't realize you exist without a site. Individuals who attempt to neglect to discover data about your business online may accept that you're not dependable and proceed onward to your opposition. Admitting to a potential client that you don't have a site

  On this lesson is made for all those who wants to get familiar with different accessories of computer. We will discuss about all computer accessories and their use. So here is the list of devices / accessories that can be connected to a computer to perform a task. Monitor: Its is the main output device that gives visual output to users.  Keyboard: This is the main input device. User can input text using keyboard. A standard keyboard consists of 110 keys. Mouse: Mouse is another input device. It helps for clicking or scrolling objects. A stabdard mouse contains 3 buttons: left click, right click and the scroll button. Cabinet: It consitst of of all the internal hardware components of a computer that includes mother board, CPU (Central Processing unit), RAM (Random Access Memory), ROM (Read Only Memory), Hard Disk, CD drive and many more. Hard Disk: This is the main storage unit of a computer. It can store all kind of data including documents, videos, audios, games, images etc. CD / D

  Maintaining a Coding Standard is very important in order to make your coding readable and working. May be you write a code that executes without error, that even may not be understandable to others or may not be scalable. Here are some standards that you must follow while writing code. 1. Naming Convention:  Follow proper naming convention while naming any variable, function or page. Do not use Special Character or space in any name Always start class name with Capital Letter. Always start Local Variable name / Page / Function name in small letter Try to avoid using number in naming, But logically you can use numbers. 2. Maintain proper indentation in coding:  Indentation is very important in coding. It helps to understand the block. In some programming languages like Python you will get error if you do not maintain proper indentation. So always maintain indentation as follows: 3. Documentation:  Documentation is very important when you are writ