The Tech Storror

  Software piracy and its prevention Software Piracy: Software piracy refers to the activity of copying software, distributing it, partially modifying it and continuing it under one's own name. Software piracy is also a crime like stealing other people's stuff. Due to software piracy, software manufacturers suffer financially. Some steps to prevent piracy: (i) The first step to prevent piracy is to comply with the prevailing laws of the country. (ii) When any software needs to be installed, patiently read the “Terms and Conditions” carefully. Not only read, but act upon it. If it infringes copyright, refrain from using it. (iii) The mentality of saving money by buying pirated software is not stopping. This mentality must end. If there is no money to buy the software, the software can be used with the permission of the specific organization or software manufacturer. In that case its use will not be illegal. (iv) Risk and Responsibility Offices should be encouraged to purchase an...

Computer Virus Types of viruses The names of two species of virus in general are particularly noteworthy. Two types are Trojan horse and worm virus- • Trojan horse virus: This type of virus encourages the computer user to follow the message with some interesting message. By responding to the Trojan virus's call, the computer user is in immediate danger. • Worm virus: This type of virus gets into the computer like a malicious insect along with any file. Then it attacks the special files of the computer by making automatic copies and enters and disrupts the normal functioning of the computer. Computer viruses can be mainly divided into two categories on the basis of their destructive effect, like: (i) Program Viruses (ii) Boot sector virus. Program virus: This type of virus adds virus code to the first or last part of the executable file. In this case the number of bytes of the executable file shows more or less than the actual number. In this case, some common words can be noted ...

 Symptoms of a virus infected computer  A virus infected computer shows the following symptoms: (i) the computer takes longer than normal to start up; (ii) programs used on a daily basis run slower than normal; (iii) the program takes longer to load; (iv) accidentally deletes or hides any files; (v) takes longer than usual to store information; (vi) New software or hardware is not compatible and various messages are displayed (vii) abnormally reduced hard disk space; (viii) parts of the file are altered and marked abnormally; (ix) reduced printer speed in printing; (x) decrease or increase the size of command.com files; (xi) changes the size or name of files with an .EXE or COM extension; (xii) Overall system performance is impaired.

 Search Engine Optimization There are many search engines in the world, such as the most famous is Google, followed by Yahoo, Bing etc. If someone wants to learn HTML in Bengali, he might search Google by writing "HTML Tutorial", because he might not know the address of any website that has HTML Tutorial in Bengali. Now let's say there is a website that has HTML Tutorial in English. Now if "HTML Tutorial" If you search on Google by writing ", the first link on the first page of Google is the site, then the user who was searching for "HTML Tutorial" will definitely go to that site. This one's site showed up first on Google, even though there are many sites, blogs, forums etc. that have HTML in Bengali, the site that showed up first had adopted some techniques, these techniques are called Search Engine Optimization (SEO). -Search Engine Optimization (SEO) is mainly of 2 types, namely-- 1. On Page (which is done within the site, ie- title tags, c...

Protocol: A protocol is a set of rules by which a computer communicates with another computer. Protocol is also called by some as the language of network. That is, the accepted rules for proper communication between networked computers are called protocols Introduction to Communication Protocol : A computer network connects numerous computers. System means computer, terminal, remote sensor or device that can receive data. Now the equipment may not be manufactured by the same manufacturing company. After data is sent from one system and flows through the network, the system must be built, the network established, and the software developed to be received accurately and intelligibly by the other system, but following the rules. If the software vendor companies develop software following the protocol, it will be possible to communicate between the computers of all the companies. After all, the protocol is a standard for establishing communication between the computer and the terminal. L...

Ways to prevent and spread viruses | Protecting the computer from virus attacks will end up being more than just removing the virus from the computer. Ways to protect computers from viruses are mentioned-- (i) Virus-free CDs, discs, etc. used on other computers before using them on own computer. (ii) To make the software virus free before using the software copied from the computer on one's own computer. (iii) Before using any file from another computer on your own computer, disinfect the CD or CD on which the file is supplied. (iv) Be careful when downloading (installing) any software from the Internet to your computer. (v) Not to copy and use software used on other computers. (vi) Keeping antivirus software on the computer at all times (vii) Always use the latest version of antivirus software available in the market: (vii) back up the daily entered data or files on a separate disc or CD; (ix) exercise caution in e-mail exchanges; (x) Setting up an antivirus guard in the computer ...