As an Amazon Associate I earn from qualifying purchases.

What is Virus in Operating System? PDF Download

Learn Virus definition in operating system with explanation to study “What is Virus”. Study virus explanation with operating system terms to review operating system course for online degree programs.

Virus Definition

  • Secret undocumented routine embedded within a useful program.

    Operating Systems by William Stallings

Virus Explanation

A virus is a computer code, which is capable of affecting computer data badly by corrupting or destroying them. A computer virus is actually a malware that replicates itself by modifying other computer programs and inserting its own code, while infecting your system.

Keep Learning Operating System Explanations

What is Response Time?

Response time is the elapsed time between an inquiry on a system and the response to the inquiry. Response time ...

What is Binary Tree?

A binary tree is a data structure in which each node can have maximum of two children known as left ...

What is Trojan Horse?

A trojan horse is a type of malicious software or malware that looks legitimate but can take control of your ...

What is Mode Switch?

Mode property is generally associated with a process. So, a mode switch is switching of a mode of a process. ...

What is Processor?

A processor is an integrated electronic circuit that performs the calculations that run a computer. A processor performs, input/output (IO), ...

What is Instruction Cycle?

Instruction cycle is a processor cycle in which one instruction is processed. Each cycle processes a single instruction. There are ...