Computer Virus

Assignment on Public speak Assignment topic Informative bringing on Computer ready reckoner electronic computer viruses Submitted to Kanita Ridwana Lecturer section of English Stamford University Bangladesh. Submitted by Mir Alim uz zaman ID. LLB 04206977 department of Laws Stamford University Bangladesh Submission date Teachers Comment &amp tactile sensation COMPUTER VIRUS Good good later(prenominal)noon everyone. Hoping all of you be well. This is the time to attest my informative wrangle.For making a digital Bangladesh, every citizen has to expert user of calculator and our authority has to figurerize all sections of this country. provided the major terror for victimisation a computer is virus. Thats why I endure prepargond my speech to inform my audience about it. nowadays I have prepared quaternary special points for illustrate a virus. a) What is a computer virus? b) What Viruses dont do? c) How does Virus spread? and, d) How to prevent a Virus Inv asion? a) What is a Virus Computer viruses are designs write by mean the great unwashed.These virus computer syllabuss are dictate into a comm lone(prenominal) used program so that program go away re deflect the attached virus program as it boots, therefore, it is said that the virus stains the executable accommodate or program. Executable reads include mack strategy files such as system extensions, INITs and discipline panels and application programs such as word impact programs and spreadsheet programs. Viruses work the same ways in Windows or DOS machines by infecting get-up-and-go or exe files. A virus is passive until you execute an infected program or application OR start your computer from a disk that has infected system files.Once a virus is active, it loads into your computers store and may save itself to your hard propose or copies itself to applications or system files on disks you use. Some viruses are programmed specifically to defame the data on y our computer by corrupting programs, deleting files, or even erasing your perfect hard drive. Many viruses do nought more than display a depicted object or make sounds / verbal comments at a certain time or a programming event after replicating themselves to be picked up by otherwise users one way or a nonher. new(prenominal) viruses make your computers system behave unpredictably or crash frequently.Sadly many people who have problems or frequent crashes using their computers do not realize that they have a virus and live with the inconveniences. though Viruses are really a threat for all computer users, it cannot be denigratory in some points. b) What Viruses dont do Computer viruses cannot infect issue protected disks or infect written documents. Viruses do not infect taut files, unless the file was infected prior to the compression. Compressed files are programs or files with its common characters, etc. outback(a) to take up less aloofness on a disk. Viruses do not in fect computer hardware, such as monitors or computer chips they only infect software. In addition, Macintosh viruses do not infect DOS / Window computer software and vice versa. For example, the Melissa virus incident of late 1998 and the ILOVEYOU virus of 2000 worked only on Window based machines and could not operate on Macintosh computers. cardinal further note-&gt viruses do not necessarily let you know they are present in your machine, even after being destructive. If your computer is not operating(a) befittingly, it is a good practice to taking into custody for viruses with a current virus checking program.Lacking of proper knowledge makes the virus more almighty and it helps to spread it in each file of a computer. c) How does Virus spread Viruses find to work and spread when you start up the program or application of which the virus is present. For example, a word processing program that contains a virus will place the virus in memory every time the word processing program is run. Once in memory, one of a number of things can happen. The virus may be programmed to attach to other applications, disks or folders. It may infect a meshwork if given the opportunity.Viruses behave in diametrical ways. Some viruses stay active only when the application it is part of is running. Turn the computer off and the virus is inactive. Other viruses will operate every time you turn on your computer after infecting a system file or network. We neediness to have proper knowledge, and stay respectable from a virus. d) How to prevent a Virus invasion Some tips to prevent virus invasion are given beneath I. Load only software from pilot disks or CDs. Pirated or copied software is eternally a risk for a virus. II. run away only programs of which you are familiar as to their origin.Programs sent by email should always be suspicious. III. Computer uploads and system kind changes should always be performed by the mortal who is responsible for the computer. P assword protection should be employed. IV. Check all shareware and free programs downloaded from on-line(a) services with a virus checking program. V. procure a virus program that runs as you boot or work your computer. Up-date it frequently. at long last I hope everyone should be diligent about viruses and enjoy a virus free computing. Thank you everyone. *Created by Alim Z Mir (optimist. email&160protected com)