NETWORK SECURITY
INTRODUCTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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operating system
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application program
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disk driver
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virus infection
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Detailed explanation-1: -A computer virus is a computer program usually hidden within another program that produces copies of itself and inserts them into other programs or files.
Detailed explanation-2: -A computer virus is malicious code that replicates by copying itself to another program, computer boot sector or document and changes how a computer works. A virus spreads between systems after some type of human intervention.
Detailed explanation-3: -A virus begins as a malicious program that requires a host computer or device to launch. It can embed its code onto the device. From there, it could turn into many variations. These viruses can get onto the system when you open a link or an email attachment that contains a malicious code, for example.