COMPUTER FUNDAMENTALS

COMPUTER NETWORKS AND COMMUNICATIONS

NETWORK SECURITY AND CYBERSECURITY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Why are computer viruses dangerous?
A
They can run programs that may harm your computer or allow hackers to access your computer.
B
They will try to sell you things you do not want.
C
They will cause your browser to popup advertisements
D
They can invalidate your other software licences.
Explanation: 

Detailed explanation-1: -Dangers of Computer Viruses: Protect Your Devices Replication is the singular feature that makes viruses so dangerous to computers. Once inside the host program, the virus will start to make copies of itself. It often spreads rapidly, and it can cause widespread damage to other software programs inside a device.

Detailed explanation-2: -Like the real thing, computer viruses replicate themselves, spreading through your operating system and network. At the same time, the virus is wreaking havoc: it can damage programs, delete files, and make devastating changes to your hard drive, all of which can result in reduced performance.

Detailed explanation-3: -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-4: -Definition: A computer virus is a malicious software program loaded onto a user’s computer without the user’s knowledge and performs malicious actions. Description: The term ‘computer virus’ was first formally defined by Fred Cohen in 1983. Computer viruses never occur naturally. They are always induced by people.

There is 1 question to complete.