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1 year ago

6

Write and test a program that computes the area of a circle. This program should request a number representing a radius as input

from the user. It should use the formula 3.14 * radius ** 2 to compute the area, and output this result suitably labeled.

Computers and Technology

1 answer:

Sedbober [7]1 year ago

6 0

Answer:

radius = float(input('Radius: '))

area = 3.14 * (radius ** 2)

print(f'Area of the circle is: {area}')

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vladimir1956 [14]

Answer:

It goes like:

public class Program

{

public static void main(String[] args)

{

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Explanation:

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Computer Security Threats are possible dangers that can affect the smooth functioning of your PC. These may be a small piece of adware or a harmful Trojan malware. In the present age, computer security threats are constantly increasing as the world is going digital. computer security threats

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There are several types of computer security threats such as Trojans, Virus, Adware, Malware, Rootkit, hackers and much more. Check some of the most harmful types of computer Security Threats.

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A Computer Virus is a malicious program, which replicates itself and infects the files and programs of your PC and can make them non-functional.

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A self-replicating computer program that spreads malicious codes, computer worms make use of the network to send copies of the original codes to other PCS. It can also go to the extent of sending transferring documents utilizing the email of the user.

SCAREWARE

Scareware is a malware that tricks victims to buy software by displaying fake virus alerts. A scareware infected PC may get pop-ups of fake malware threats and to get rid of those, users are prompted to purchase a fake anti-malware software.

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Also known as a keystroke logger, Keyloggers can track the real-time activity of a user on his computer. Keylogger runs in the background and records all keystrokes made by a user and passes the information to the hacker with the motive to steal password and banking details.

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A rootkit is considered extremely dangerous as they appear to be legitimate files and deceives the computer user. Rootkit masks viruses and worms and makes them appear as necessary files. These are very difficult to remove and only an antivirus with the anti-rootkit feature can remove a rootkit.

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For best computer security, you must follow certain guidelines, which are also called computer best practices. 1. Use the best antivirus software, which not only provides protection to your PC but also internet protection and guards against cyber threats. 2. Do not download untrusted email attachments and these may carry harmful malware. 3. Never download software from unreliable sites as they may come with a virus that may infect your system as soon as you install the software.

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