WHAT IS COMPUTER VIRUS A computer virus is a computer program that can replicate itself and spread from one computer to another. The term "virus" is also commonly but erroneously used to refer to other types of malware‚ including but not limited to adware and spyware programs that do not have the reproductive ability. A true virus can spread from one computer to another (in some form of executable code) when its host is taken to the target computer; for instance because a user sent it over a network
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Computer viruses are‚ like their biological namesake‚ programs that infect your system and multiply. Viruses have many symptoms: some can simply slow down your computer whilst others can have more severe effects like moving documents and/or deletion of documents or programs. No matter the severity of the virus and its symptoms they should be dealt with by an up-to-date anti-virus program and security software‚ as systems with out-of-date protection are more susceptible and at risk. Computer viruses
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SOURCES OF COMPUTER VIRUS Virus infection in Computers can be contacted through different means. Below are the commonest causes of Computer Virus attack. 1. Through the internet: The easiest and quickest means of spreading Computer Virus is through the internet. Basically through downloaded files and documents. When the source of a document is not trusted it should not be downloaded. If at all it will be downloaded it has to be thoroughly scanned for virus with a reliable anti-virus Software. 2. Through
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Q1.What are the main types of software? What are the advantages of open-source software? Describe the decision making process of acquiring application software. Q2.“In the end‚ information system is recognized only as a foundation for human judgment‚ insight and inventiveness”. Discuss. What are different types of controls and audits required for an information system? Q3.What is computerized maintenance management? Explain the conceptual model through which the maintenance function can achieve
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Computer software can be divided into two main categories: application software and system software. Application Software: Application Software includes programs that do real work for user. Example: Payroll systems‚ Inventory Control‚ Manage student database‚ Word Processor‚ Spreadsheet and Database Management System etc. Application software consists of the programs for performing tasks particular to the machine’s utilization. Examples of application software include spreadsheets‚ database systems
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Computer Virus “A true virus cannot spread to another computer without human assistance.” Computer virus has now become widespread. It’s almost everywhere in every computer. It is one of the major problems of the computer users. Viruses are like the disease of the computer. Letting the virus in it can cause harm or even destroy all files stored in the computer. Virus infection costs millions even billions of money if virus penetrates into major servers like government database system
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Diploma Thesis University of Applied Sciences Furtwangen‚ Germany Faculty of Computer Science - Computer Networking Server-based Virus-protection On Unix/Linux by Rainer Link Advisor: Advisor: Finished: Public Release: Prof. Hannelore Frank Prof. Dr. Rainer Mueller May‚ 28 2003 August‚ 2003 Preface Abstract Evaluation and development of server-based anti-virus solutions‚ running on Linux/Unix‚ using the Internet Content Adaption Protocol (ICAP). The diploma thesis covers proof-of-concept
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Different Types of Computer Viruses Computer virus is a software program written with malicious intentions. There are number of computer viruses that can impede the functioning of your computer system. Let us find out the different types of computer viruses. Did You Know? In 2010‚ Stuxnet virus targeted Siemens Industrial Software and Equipment. There are allegations that this virus is a part of a U.S. and Israeli intelligence operation named "Operation Olympic Games" and it hit Iran’s nuclear
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What Is Computer Software? When you think of a computer imagine a machine made of two parts. The first part is the computer hardware‚ the physical parts of the computer that you can actually touch. Some examples of hardware are disks‚ monitors‚ boards‚ chips‚ etc. Hardware does all of the physical work of the computer‚ from memory storage to display. The second part‚ what we call “computer software”‚ acts as the brain of the computer‚ telling the hardware what to do and when and how to do it
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Introduction McAfee‚ Inc. is an American global computersecurity software company headquartered in Santa Clara‚ California‚ and the world ’s largest dedicated security technology company.As of February 28‚ 2011‚ McAfee is a wholly owned subsidiary of Intel. The company was founded in 1987 as McAfee Associates‚ named for its founder John McAfee‚ who resigned from the company in 1994. MacAfee was incorporated in the state of Delaware in 1992. Network Associates was formed in 1997 as a merger of McAfee Associates
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