Do not propagate virus hoaxes or chain mail: for more, see avoid getting in trouble with email log out of or lock your computer when stepping away, even for a moment: forgetting to log out poses a security risk with any computer that is accessible to other people (including computers in public facilities, offices, and shared housing), because it leaves your account open to abuse. A secondary school revision resource for gcse ict about the causes and effects of computer viruses. A virus is usually a program that modifies the working of a computer even the virus itself can mutate, and malware, spyware and adware have become commonplace a worm is an application that replicates itself and trojan horses are programs that don't do what they say but something different.
A computer virus is a program designed to harm or cause harm on an infected computer its spreads through e-mail attachments, portable devices, websites containing malicious scripts and file downloads. Basic computer and internet technology is must in the recruitment examination so read them below and make you more competitive so read them below and make you more competitive basic question and answer on computer, internet and information technology. Computer security self-test: some attachments contain viruses or other malicious programs, so just in general, it's risky to open infect a computer, so.
On seven forms of cybercrime: computer virus, unwanted exposure to pornographic materials, sex solicitation, online harassment by a stranger, online harassment by a non- stranger, phishing and online defamation 3 in particular, this study applies the general. A computer virus is an intelligent, usually destructive computer program which has the peculiar ability to surreptitiously penetrate a computer system and replicate itself by attaching itself to other programs, while causing problems ranging from irritating system behavior, to destruction of physical system components to massive software and/or. Intelligent viruses review based on questions and answers study viral structure, replication, life cycle, retrovirus and viral crystallization.
Computer crime 225 computer viruses 227 syndicate igcse examination in computer studies cambridge igcse computer studies. A computer forensic examination may reveal when a document first appeared on a computer, when it was last edited, when it was last saved or printed and which user carried out these actions more recently, commercial organisations have used computer forensics to their benefit in a variety of cases such as. A worm is similar to a virus in that it replicates, however, instead of replicating through computer files it spreads to different machines on a network this is a great video for anyone who is. Computer virus a virus is a self a thorough examination of hacker tools and procedures may be found in cengage learning's e|csa certification workbook.
What are computer viruses a computer virus is malicious code that is engineered to replace or destroy legitimate files or disable functions on your computer. Viruses multiplies in a) soil b) dead tissue c) living tissue d) culture medium 17 prophase refers to a) viral genome outside the host cell b) viral genome that. A computer virus is a program that spreads by first infecting files or the system areas of a computer or network router's hard drive and then making copies of itself some viruses are harmless, others may damage data files, and some may destroy files. Some examples of computer viruses include the storm virus, sasser virus and melissa virus a computer virus is a program that causes some sort of harmful activity to a computer and then attempts to replicate and spread itself to other computers the storm virus originated in 2007, spreading itself.
Quizzes computer computer virus class vii: computer viruses lesson 4 end of quiz (exam mode) number of questions: changes are done, please start the. Computer viruses are malicious programs that are unwantedly installed onto your computer viruses will cause you a range of damage, from a little amount to the entire loss of your computer data almost all viruses are attached to an executable file, which means the virus may exist on your computer but it actually cannot infect your computer. Get an answer for 'what are 3 examples of viruses that cause illness or diseasewhat are 3 examples of viruses that cause illness or disease' and find homework help for other science questions at.