Types Of Computer Virus Ppt

This template can be used as a teaching material for computer theory. • Today all computers utilize two types of buses, an internal or local bus and an external bus. A worm takes advantage of file or information transport features on your system, which is what allows it to travel unaided. Paris When people think "computers," usually it's something like a laptop or your office computer that comes to mind. ppt is there all files icons turned to blank white icons. Another traditional classification system is based on what type of organism they infect: there are plant-specific viruses, animal-specific viruses, and bacteria-specific viruses, called bacteriophages. Due to the fact that viruses are associated with destructive behaviors, they are wrongfully used to define multiple types of malware. They do this in an attempt to defeat scanners. Provide criminals with access to your computer and contact lists. • Computer virus. Wondershare offers Video Software, PDF Tools, PC Utilities for Mac and Win users to convert, edit videos, photos or PDF files, make photo slideshow etc. -What makes up a virus -Steps of viral lifecycle (Bacteriophage and animal viruses) -Different types of nucleic acids for genome and how they are replicated -A little about H1N1 pandemic of 1918. The examples of Macro viruses are – Relax, Babbles, and Melissa. Computer Viruses Perhaps the most well-known computer security threat, a computer virus is a program written to alter the way a computer operates, without the permission or knowledge of the user. For example, this is the key for the. Choose from convenient multi-use PDF temperature and humidity data loggers, portable data loggers with USB interface, autoclave data loggers, wireless voltage data loggers, and many others. Treatment plans are based on the patient's age and general health status as well as the size, location, type, and grade of the tumor. distinguishes computer viruses from other kinds of malware, such as logic bombs. Cybercrime, especially through the Internet, has grown in importance as the computer has become central to commerce, entertainment, and government. What Are the Effects of a Computer Virus? A computer virus can have many effects, such as deleting or corrupting files, replicating itself, affecting how programs operate or moving files. Provide criminals with access to your computer and contact lists. Viruses A computer virus is a program, a block of executable code, which attach itself to, overwrite or otherwise replace another program in order to reproduce. Network Security Policy and Services Network security services Vulnerabilities Above the application layer Types of Encryption Algorithms DES RSA Authentication Security in TCP/IP Protocol Stack Relative Location of Security in TCP/IP Protocol Stack SSL Protocol Operation IP Security Scenario The Kerberos Architecture Intrusion Detection. Complete the following table by writing YES or NO answers in each box. 5 Each computer has some type of display screen. Human viruses cause a variety of maladies, depending on the virus type and the tissues infected. Virus epidemics result in the growth of spam traffic. It includes multiple choice questions about different types of malicious programs or viruses on a computer system. Some of these infections are merely a nuisance that slow down productivity, while others are far more threatening. Cyber Attacks – Definition, Types, Prevention. A computer virus attaches itself to the host files and always activate whenever you open the infected files. GENERAL INFORMATION ABOUT COMPUTER VIRUS Different Malware Types. Computer Viruses and the Law A computer virus crime usually involves the intent to cause damage through the creation and/or distribution of a destructive computer program. Even though they never had an internet connection back in the 70's viruses still infected computers by floppy disks. Hatraed) o Stealth virus (hides in the working code) o Polymorphic virus (changes its code as it infects computers Win32. Here are 9 Computer Viruses that you should know about: 1. Template library PoweredTemplate. Persistent data is the data that is stored on a local hard drive (or another medium) and is preserved when the computer is turned off. On Narrative vs. While the term computer can apply to virtually any device that has a microprocessor in it, most people think of a computer as a device that receives input from the user through a mouse or keyboard, processes it in some fashion and displays the result on a screen. There are 7 types of cyber crimes and criminals. System software governs how a computer and its related devices operate, while application software is more specified toward user-oriented tasks, such as Web browsing and word processing. txt has an extension of. These types of email are considered spam, which is unsolicited, intrusive mail that clogs up the network. A computer virus attaches itself to the host files and always activate whenever you open the infected files. Millions of types of virus are thought to exist, but only 5,000 types have been identified. All computer viruses are man-made. A worm is a special kind of computer virus that propagates by self-replication over a computer network. Super Computer. Computer networks also differ in their design approach. in Lancaster. Besides, computer aided manufacturing can be used in designing and planning the product. We have become all too familiar with the type of attacker who leverages their technical expertise to infiltrate protected computer systems and compromise sensitive data. Animal & human viruses. Depending on its complexity, the initial virus may modify its. A computer virus is a type of malware that, when executed, replicates itself by modifying other computer programs and inserting its own code. As laws and norms change, so do family structures. Type of virus that infects the whole memory of the RAM is called as resident virus e. Type B \൩nfluenza viruses are limited to humans, whereas Type A viruses can cause severe disease in humans and affect more species. Over 40,000 different viruses have been cataloged so far and the number of viruses is increasing dramatically. Present steps involve hardware and software growth. Different kinds of languages have been developed to perform different types of work on the computer. The biology of Zika virus. Cells that do NOT have a nucleus or membrane-bound organelles are called 2. Cyber Security solutions from Proofpoint, protecting people, data and brands from cyber attacks. Boot virus is the type of virus that spread the virus in the bootable part of the hard drive for example Poly boot. Herpes simplex virus infection becomes latent, that is it becomes invisible after a fever blister episode, but the virus persists, in ganglia at the floor of the brain, where when conditions are right it can re-emerge. and FREE! search you want PDF,DOC,PPT,TXT,SWF! in www. Types Of Cyber Attacks •Bad Data Injection -Goal: To submit incorrect data to a system without detection. Used to indicate where the next character you type or item you insert will be place. Between DOC files, PDFs, TXT files and more, there are many different document file extensions you can use. The data set is drawn from the 2010 U. Cells that DO have a nucleus and membrane-bound organelles are called 3. What is Computer Virus? Learn what is this famous term that we use everyday and learn its working mechanism and how to protect from viruses. Aphasia is a communication disorder that results from damage or injury to language parts of the brain. Its principal characteristics are: § It responds to a specific set of instructions in a well-defined manner. This is the currently selected item. Then image is then placed on a digital computer screen for analyzing. The virus actives when the computer is turned on and the operating system loads. Un virus informatique est un automate autoréplicatif à la base non malveillant, mais aujourd'hui souvent additionné de code malveillant (donc classifié comme logiciel malveillant), conçu pour se propager à d'autres ordinateurs en s'insérant dans des logiciels légitimes, appelés « hôtes ». Computer viruses are never naturally occurring; they are always man-made. Other viruses may cause persistent infections. Computer viruses come in a variety of types. If your internet has seemed slow lately, or if your browser is not responding as quickly as it used to, then your computer may have a virus. Some of these infections are merely a nuisance that slow down productivity, while others are far more threatening. when i open them they are opening in there concerned application. Use encryption. Just download PPTX and open the theme in Google Slides. The virus managed to wreck havoc on computer systems all over the world, causing damages totaling in at an estimate of $10 billion. This is the first types of computer virus. The computer virus can infect many important records on user's computer. It includes MCQ questions on different types of threats such as Interruption, Interception, Modification, and Fabrication or different malicious programs such as Trap doors, Trojan horse, Virus and Worm. Converts in seconds. yxuoplln file virus exactly?. Two types of antibodies are important. Century Gothic Arial Wingdings 2 Verdana Calibri Verve 1_Verve 2_Verve 3_Verve 4_Verve 5_Verve 6_Verve 7_Verve Computer Security Incident Handling Guide (Chapters 4, 5, 6 and 8) NIST 800-61 Denial of Service Incidents Distributed Denial of Service Attacks Three types of DDoS attacks Incident Handling Preparation Incident Handling and. There are so many new versions of malware released every day that no anti-virus program can detect and protect against all of them. Soda PDF is trusted by thousands of clients and businesses to securely manipulate pdf files online. In this tutorial you will learn about types of Computer Networks, OSI Model, different layers of the OSI Model, various transmission medium etc. In animals, four basic types of tissues are found named as epithelial, connective, muscle and nervous tissue. organelles, no. Worrying sign The virus also implements a background program that turns an infected computer into a relay system for further messages from the virus' creator. 0, its newer version), this virus encrypts files on a computer’s. Wondershare offers Video Software, PDF Tools, PC Utilities for Mac and Win users to convert, edit videos, photos or PDF files, make photo slideshow etc. UVK Ultra Virus Killer has been around for many years. The inventor of the World Wide Web?. Workstation is a computer used for engineering applications (CAD/CAM), desktop publishing, software development, and other such types of applications which require a moderate amount of computing power and relatively high quality graphics capabilities. External hard drives comes in USB, Firewire, SATA and SCSI. Cyber Security solutions from Proofpoint, protecting people, data and brands from cyber attacks. Thisbook is mainly written for computer professionals (systems adminis-trators, computer scientists, computer security experts) or people interested in the virus field who wish to acquire a clear and independent knowledge about viruses as well as incidently of the risks and possibilities they repre-sent. A fairly new ransomware variant has been making the rounds lately. virus (HPV) a dsDNA virus that infects the lining of the cervix. Virus are programs that can copy themselves and create problems in one computer without the user ever knowing or authorizing it. Computer GK -> Questions from Internert technology 1. It will convert any document, archive file, spreadsheet, audio and video file from one format to another. Animal virus cultivation is important for 1) identification and diagnosis of pathogenic viruses in clinical specimens, 2) production of vaccines, and 3) basic research studies. A physical attack uses conventional weapons, such as bombs or fire. Choose from convenient multi-use PDF temperature and humidity data loggers, portable data loggers with USB interface, autoclave data loggers, wireless voltage data loggers, and many others. A list of common file extensions and file types that are good to know. Computer viruses are pieces of software that can replicate themselves and stealthily infect the host computer. The conflict between virus writers and anti-virus researchers continues. There are many types of computer virus such as Time Bomb, Logical Bomb, Boot Sector Virus, Macros Virus and Script Virus. types of thing. #8) Backward Compatibility Testing. Computer Virus powerpoint presentation,Computer Virus powerpoint presentation,Computer Virus powerpoint presentation Computer Virus ppt,Computer Virus ppt,Comp… Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Aphasia is a communication disorder that results from damage or injury to language parts of the brain. After the work, these types of viruses try to hide from the anti-virus application by encrypting parts of the virus itself. O ur collection of Free Computers PowerPoint template. Additional information about computer viruses can be found in the following locations. com provides the biggest and best selection of high quality desktop and web fonts. The Computer Crime and Intellectual Property Section (CCIPS) is responsible for implementing the Department's national strategies in combating computer and intellectual property crimes worldwide. Computer Generations Classified into Five Types August 21, 2015 InformationQ. Which is the news search engine introduced by Rediff. A physical attack uses conventional weapons, such as bombs or fire. Just download PPTX and open the theme in Google Slides. retroviruses. The Biology Project is fun, richly illustrated, and tested on 1000s of students. Well, in general there are three different types of viruses: Worms, Trojan Horses, and regular generic viruses. In computer security, a threat is a possible danger that might exploit a vulnerability to breach security and therefore cause possible harm. Computer viruses are similar to biological viruses in the way they multiply in number and in the way they need a host to survive. A list of common file extensions and file types that are good to know. Then image is then placed on a digital computer screen for analyzing. Treatment for brain cancer should be individualized for each patient. A few headache patterns also are generally considered types of primary headache, but are less common. Even while using caution, your computer can still become infected, especially if it is running a Windows-based operating system. The means of distribution of these viruses included being attached to a frequently downloaded image as well as being embedded as an email attachment. Invest your time and money defending against the threats you're apt to confront. as part of a cryptosystem, an algorithm, a chipset, or a "homunculus computer" —a tiny computer-within-a-computer (such as that found in Intel's AMT technology). After the work, these types of viruses try to hide from the anti-virus application by encrypting parts of the virus itself. There is no need to install any software on your computer! Upload your files to CloudConvert and we will do the job for you. The major characteristics of a computer are high speed, accuracy, diligence, versatility and storage. He designed the Analytical Engine and it was this design that the basic framework of the computers of today are based on. Below are links to current communication tools and resources available for use and distribution. Intrada guides clients in the effective use of technology by lowering costs, increasing productivity, building market visibility, and improving their bottom line. To do so: o Click start | My Computer or Computer. Other malware includes Trojan horse programs and spyware. Wondershare offers Video Software, PDF Tools, PC Utilities for Mac and Win users to convert, edit videos, photos or PDF files, make photo slideshow etc. xls, and many others. However, the ability to replicate itself is the common criterion that distinguishes a virus from other kinds of software. Anti-virus software is highly recommended or everyone who uses computers on a regular basis to protect their personal, financial and most sensitive data. Computer viruses spread easily. Computer viruses are called viruses because they share some of the traits of biological viruses. Different types of pathogens include bacteria, viruses, protists (amoeba, plasmodium, etc. When using the phrase "types of" or "kinds of," it often seems appropriate to follow with a singular noun (e. The cell walls of fungi will bind the stain calcofluor white, which greatly enhances visibility of fungal element in tissue or other specimens. Microsoft Internet Explorer. It's small enough to fit in the palm of your hand (hence the name!) Palmtops are usually not very powerful since fast CPUs require a large battery and get hot - both problems in a small device. Internet worms spread across networks using email, Internet chat, peer-to-peer (P2P) file sharing networks and other methods. Clean Your Keyboard: If you realized your computer had a virus, you’d likely drop everything and start patching your software immediately. Introduction to the Bacteria. Worms use Computer Networks to spread itself while Viruses spread to different systems through executable files. Symantec's Security Response Center A descriptive information database of international computer viruses and their effects. If this file is copied to a computer, virus is also copied to the computer. Worrying sign The virus also implements a background program that turns an infected computer into a relay system for further messages from the virus' creator. Most of these words imply the size, expected use or capability of the computer. Virus attaches itself to files stored on floppy disks, USBs, email attachments and hard disks. I hope it would help you to protect your computer from hazardous programs. We'll talk about what a virus is, what viruses look like, how they infect us and how we can reduce the risk of infection. Alex Radenkovic, Information Security Engineer at Rush University Medical Center. It is largely used by big organizations where many people can use it simultaneously. Template library PoweredTemplate. pptx extension (shown in the screenshots): HKEY_CLASSES_ROOT\. txt has an extension of. Computer worms can be classified as a type of computer virus, but there are several characteristics that distinguish computer worms from regular viruses. Types of Flaws. Here are the collections of MCQ questions on computer security along with their answers. A computer virus is a program or piece of code that is loaded onto your computer without your knowledge and runs against your wishes. com Port 80. Microsoft's Windows and Apple's MacOS are both examples of operating systems that will let a single user have several programs in operation at the same time. Needless to say, computer viruses are major annoyances and can lead to some dire consequences. Some of these files are. Below is a list of different types of computer viruses and what they do. Virus writing tool kits have been created to "simplify" creation of new viruses. THE 12 TYPES OF CYBER CRIME. Viruses are nothing like that. For starters, it could be sent to your via e-mail spam, where the infection file may pretend to be a legitimate invoice, receipt or other document of some sort. The vicious cycle of a virus perpetuates as infected emails are forwarded to multiple users. It tries to get attached to more programs so that chances of getting activated is more. STEP 4: Remove stubborn rootkits from your computer with HitmanPro HitmanPro is a second opinion scanner, designed to rescue your computer from malware (viruses, trojans, rootkits, etc. Similar to our posts on The Complete Image File Extension List for Developers and The Complete List of Audio / Video File Formats for Developers, w e have created a complete list of document file extension types for you to reference when working on projects with Filestack and other tools. PCs were first known as microcomputers because they were a complete computer but built on a smaller scale than the huge systems in use by most businesses. A physical attack uses conventional weapons, such as bombs or fire. What is Stuxnet, who created it and how does it work? Thanks to Stuxnet, we now live in a world where code can destroy machinery and stop (or start) a war. GENERAL INFORMATION ABOUT COMPUTER VIRUS Different Malware Types. Resident Viruses. Sometimes it is done for financial gain and sometimes just as a prank. Make sure you are running virus protection software that will guard against most computer infections. Similar to the classification systems used for cellular organisms, virus classification is the subject of ongoing debate and proposals. Other malware includes Trojan horse programs and spyware. The biology of Zika. TYPES OF COMPUTER NETWORKS One way to categorize the different types of computer network designs is by their scope or scale. Choose from convenient multi-use PDF temperature and humidity data loggers, portable data loggers with USB interface, autoclave data loggers, wireless voltage data loggers, and many others. The major characteristics of a computer are high speed, accuracy, diligence, versatility and storage. Boot Sector Virus. Biological viruses also work that way, as they copy themselves as part of other organisms. Every computer system requires at least one chassis to house the circuit boards and wiring. Programs leading to a Bachelor's degree in computer science are offered by the undergraduate colleges at Rutgers. The 3 Most Common Types of PC Virus Infections. The title shouldn't be "7 Types of Hackers", it should be "7 Types of Computer Coercers", or just "7 Types of (Human) Computer Threats". Viruses may also perform other actions, like creating a backdoor for later use, damaging files, or even damaging equipment. Evolution of viruses. The Common Types of Computer Viruses Computer viruses are similar to biological viruses in the way they multiply in number and in the way they need a host to survive. If you've done your best to stay away offline for the past two days so you could actually enjoy your weekend, you undoubtedly now find yourself trying to catch up on all the news surrounding. Preventing Virus Infections on your Computer Version 1. One atomic mass unit is equal to 1/12 of the mass of a C 12 atom. Some examples of viruses are; Trojan horse viruses, worms, spyware, adware, rootkits, and many other types of malware. What Are the Effects of a Computer Virus? A computer virus can have many effects, such as deleting or corrupting files, replicating itself, affecting how programs operate or moving files. Hello Friends My computer recently got a strange virus Change the extension of all files (Word, Excel, Photoshop, etc. There are at least 25 viruses in the family Herpesviridae (currently divided into three sub-families). Or, to put it more. Computer Viruses Perhaps the most well-known computer security threat, a computer virus is a program written to alter the way a computer operates, without the permission or knowledge of the user. Class XI (Theory) Duration: 3 hours Total Marks: 70 Unit No. A Cyber Attack is an attack initiated from a computer against another computer or a website, with a view to compromising the integrity. Whether you’re new to giving speeches or are a seasoned Toastmaster, these how-to articles will help you hone your skills. and narrative interleaved with above: narratives of programming what does a program do? defines its data types and the ways these interact with. Do you know the different types of computers?. Hackers exploit weaknesses in security systems and computer programs to gain unauthorized access. Similar to our posts on The Complete Image File Extension List for Developers and The Complete List of Audio / Video File Formats for Developers, w e have created a complete list of document file extension types for you to reference when working on projects with Filestack and other tools. A computer virus is a malicious program that self-replicates by copying itself to another program. By downloading infected programs from the internet. However, it wasn't until the late 1980s and early 1990s (coincidentally, the time period during which the World Wide Web and commercial Internet were being developed) that computer viruses became more numerous and easy-to-spread, to the point where a whole industry dedicated to stopping them was created. There are many things to consider if you are a consumer seeking these storage devices. Find computer virus stock images in HD and millions of other royalty-free stock photos, illustrations and vectors in the Shutterstock collection. 5 shows typical operation of a boot sector virus: Figure 15. This part of the virus has led many computer security experts to believe the virus was written to try and beat spam filters. Blocking viruses is important, but it’s also big business, so it often gets hyped over the other types of computer security. to identify and remove. that has infected some executable software and, when run, causes the virus to spread to other executables. Polymorphic viruses change with each infection. antivirus synonyms, antivirus pronunciation, antivirus translation, English dictionary definition of antivirus. The computer gets infected through the replication of malicious code. 10 ways to avoid viruses and spyware. If we cannot remove a virus from a device we support (see VPP System Requirements), we’ll refund—for the current term of your subscription—the actual amount you paid for the qualifying. One of the first known types of viruses, the boot virus infects the operating system initialization partition. A major difference is that computer worms have the ability to self-replicate and spread independently while viruses rely on human activity to spread (running a program, opening a file, etc). A computer virus is a malicious program that self-replicates by copying itself to another program. He designed the Analytical Engine and it was this design that the basic framework of the computers of today are based on. Our service is offered at absolutely no charge and without the need to download additional software. Input: This is the process of entering data and programs in to the computer system. Present steps involve hardware and software growth. Let us have a look at few of them. How to Avoid Getting a Computer Virus or Worm. There are many known techniques that can be used by a virus, and viruses appear on many platforms. The term "virus" is also commonly but erroneously used to refer to other types of malware, adware, and spyware programs that do not have the reproductive ability. While these types of families are distinct in definition, in practice the lines are less clear. The example here shows Potato virus Y, genus Potyvirus with particles 740 nm long. A virus is a program that can destroy and corrupt data on a computer. 5 - A boot-sector computer virus. com Port 80. Running a virus scan can unearth any problems. Some of the forms of viruses include:. External hard drives comes in USB, Firewire, SATA and SCSI. There is no need to install any software on your computer! Upload your files to CloudConvert and we will do the job for you. Similarly, in the same way that flu viruses cannot reproduce without a host cell, computer viruses cannot reproduce and spread without programming such as a file or document. What is Threat Center? Threat Center is McAfee’s cyberthreat information hub. Breaking them into categories is not easy as many viruses have multiple characteristics and so would fall into multiple categories. Viruses are often the first type of malware that comes to mind. One of the first detected virus was the Creeper virus in the early 70’s Before computer networks became widespread, most viruses spread on removable media, particularly floppy disk. Just download PPTX and open the theme in Google Slides. Bacteria are often maligned as the causes of human and animal disease (like this one, Leptospira, which causes serious disease in livestock). Always seek prompt professional medical advice about the cause of any symptom. The Biology Project is fun, richly illustrated, and tested on 1000s of students. A computer virus is a malicious program that self-replicates by copying itself to another program. A virus attacks a computer to spread other malware, allows remote control by unauthorized. Virus writing tool kits have been created to "simplify" creation of new viruses. Discrimination in university employment, programs or activities based on race, color, ethnicity, sex, pregnancy, religion, national origin, disability, age, sexual orientation, genetic information, status as a U. There are a lot of terms used to describe different types computers. Computer Virus 2. These functions and life processes are carried out by specialized aggregate of cells called tissue. Viruses can carry other viruses. The virus can replicate itself and then infect the other files on your computer causing more damage. Computer Virus: The Types of Viruses Out There A computer virus is usually hard to detect if it's disguised as a harmless file, in the case of a Trojan horse virus. txt) or view presentation slides online. Computer viruses are pieces of software that can replicate themselves and stealthily infect the host computer. The Common Types of Computer Viruses Computer viruses are similar to biological viruses in the way they multiply in number and in the way they need a host to survive. Spreading speed of a Worm is faster than a Virus. in Lancaster. System software gives the computer's hardware the instructions it needs to operate, and it provides the foundation for the applications' operation. Viruses can also replicate themselves. File Types and Characteristics - Video Files File Types and Characteristics - Text Files Building a Basic Computer Part 2 Building a Basic Computer Part 1 Backing Up Your Hard Drive Files and Configuration Working With Files Protect Your Computer From Malicious Software Powering-Up Your Computer Basic Computer Troubleshooting The 'Desktop' More. The biology of Zika virus. You'll find everything about OWASP here on or linked from our wiki and current information on our OWASP Blog. Definition of Computer Virus "A computer virus is a program that may disturb the normal working of a computer system". Find engaging, TEKS-aligned CTE classroom resources that you can use with your students as part of classroom instruction or career and industry exploration. Lecture 23: Security n Definition, aspects n types of threats ncomputer assets and typical threats to them n protection uuser oriented udata oriented n password protection n types of intruders and intrusion techniques n malicious programs (viruses and the like) 2 Computer security aspects n A set of procedures and computer tools designed to. Recalculating and reevaluating priorities based on a continuous flow of new data, learnings and your risk profile, helps to ensure you’re staying focused on what matters in a highly dynamic environment. It’s fantastic and the know-how is rising as we converse. FIGURE 2 (below) Herpes virus structure. A computer can calculate and process just fine all by itself, but with peripherals, it can share its results and accept additional data. This is why it is important for you to understand that while anti-virus will help protect your computer, it cannot detect or stop all types of malware. operation of the computer is a serious concern in most cases, denial of service has not traditionally been a topic of computer security research. The first, called IgM, is highly effective at neutralizing viruses but is produced by the cells of the immune system only for a few weeks. Computer Viruses and Worms By Rafael Albuernes What is a Virus? What is a Worm? Types of Infections Origins History Future How can you protect yourself? What is a Virus? A virus is a small piece of software that piggybacks on real programs. A worm takes advantage of file or information transport features on your system, which is what allows it to travel unaided. In-many cases the virus gets replicated and it makes memory complexity and others kinds make infection to computers. The Common Types of Computer Viruses. Malware is catch-all word for any software designed to damage a computer or computer system. The term virus covers a wide range of computer programs that have one thing in common. The Ten Commandments of computer ethics have been defined by the Computer Ethics Institute. Computer Virus powerpoint presentation 1. BIT112-lecture 7. A file extension, or file name extension, is the letters immediately shown after the last period in a file name. Additional information about computer viruses can be found in the following locations. Computer software has to be "loaded" into the computer's storage (such as a hard drive, memory, or RAM). There are a lot of terms used to describe different types computers. There is no need to install any software on your computer! Upload your files to CloudConvert and we will do the job for you. Bacteriophages. How does a virus infect computers? A virus program has to be run before it can infect your computer. If you could look at a virus, you would see that a virus is a tiny particle. The same virus also caused pandemics in 1934 and in 1947, then disappeared after 1958 and reappeared in 1977. Viruses are very small and to reliably visualize them, stains and electron microscopy are needed. It is high capacity and costly computer. "APT agent" is a dumb title for what would normally be called "intelligence agents. Computer Virus: The Types of Viruses Out There A computer virus is usually hard to detect if it's disguised as a harmless file, in the case of a Trojan horse virus. In other words, the computer virus spreads by itself into other executable code or documents. To do so: o Click start | My Computer or Computer. Virus writing tool kits have been created to "simplify" creation of new viruses. Photo editing, media player, and video editing programs are part of daily life for many people. All of its components are. Free Basic Computer Skills Tutorial at GCFGlobal close search. There are at least 25 viruses in the family Herpesviridae (currently divided into three sub-families).