WAEC Computer Studies 2020 Paper

Concept:These are harmful programs that spread, hide, or trick users in order to damage a computer or steal information.Explanation:Viruses attach themselves to clean files and spread when those files are opened.Worms copy themselves across networks without needing a host file.Trojan horses disguise themselves as useful software to trick users, but they open backdoors for attackers.All three are designed with harmful intent.They are commonly grouped under the single term malware.Malware means malicious software.They are not application software because they do not perform productive tasks.They are not system software because they do not help the computer run correctly.They are not robust software because robust software is reliable and safe, not destructive.Answer:B. malicious software.