Question

What is computer virus ? What is the difference between a computer virus and a Trojan horse?

Answer 1

1)A computer virus is a type of malware that, when executed, replicates itself by modifying other computer programs and inserting its own code.When this replication succeeds, the affected areas are then said to be "infected" with a computer virus.

2)BASIS FOR COMPARISON VIRUS  TROJAN HORSE

Meaning :

A computer program that                      It permits an intruder to obtain some connects itself to another legitimate

program to cause harm to the       confidential information about a computer network.                                           computer system or the network.

 

Execution

Depends on the transfer of a file.   Downloaded as software and executed.

Replication occurs

Yes .                                                                No

Remotely controlled

No                                                              Yes

Rate of spreading

Moderate                                     Slow

Infection

Initiates by attaching a               Attaches itself to program and interpret as                                                                    virus to an executable file.                                useful software

Purpose

Modification of the information.  Steals the user's information.

Answer 2

Computer virus...

A computer virus is a type of Malware that inserts virus ko to multiply itself by alerting the programs and applications.

Difference...

• Unlike viruses, Trojan horses do not replicate themselves but they can be just as destructive.