MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -"Malware” is short for malicious software and used as a single term to refer to virus, spy ware, worm etc. Malware is designed to cause damage to a stand-alone computer or a networked pc. So wherever a malware term is used it means a program which is designed to damage your computer it may be a virus, worm or Trojan.

Detailed explanation-2: -A Trojan Horse (Trojan) is a type of malware that disguises itself as legitimate code or software. Once inside the network, attackers are able to carry out any action that a legitimate user could perform, such as exporting files, modifying data, deleting files or otherwise altering the contents of the device.

Detailed explanation-3: -Worms aim to degrade system performance and slow it down by eating system resources. Viruses use executable files to spread. Worms take use of system flaws to carry out their attacks. Trojan horse is a type of malware that runs through a program and is interpreted as utility software.

Detailed explanation-4: -Worm definition (computer) A computer worm is a subset of the Trojan horse malware that can propagate or self-replicate from one computer to another without human activation after breaching a system. Typically, a worm spreads across a network through your Internet or LAN (Local Area Network) connection.

Detailed explanation-5: -While the words Trojan, worm and virus are often used interchangeably, they are not the same.