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2 years ago

HELP ME PLEASE

Computers and Technology

1 answer:

MAXImum [283]2 years ago

4 0

Explanation:

Threats

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

Types of Computer Security Threats

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.

COMPUTER VIRUS

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.

COMPUTER WORMS

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.

KEYLOGGER

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.

ROOTKIT

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.

Tips for Best Computer Security

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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3 years ago

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Write a Java program that reads two numbers from the console. Based on the example in the textbook, write five methods (min, max

makvit [3.9K]

Answer:

import java.util.Scanner;

public class num6 {

public static void main(String[] args) {

Scanner in = new Scanner(System.in);

System.out.println("Enter first number");

int a = in.nextInt();

System.out.println("Enter second number");

int b = in.nextInt();

//Calling the methods inside the output statement

System.out.println("Min is "+min(a,b));

System.out.println("Max is "+ max(a,b));

System.out.println("Sum is "+sum(a,b));

System.out.println("Product is "+product(a,b));

System.out.println("Absolute difference is "+difference(a,b));

}

//Min Method

static int min(int a, int b){

if (a<b){

return a;

}

else {

return b;

}

//Max Method

static int max(int a, int b){

if (a>b){

return a;

}

else {

return b;

}

//Sum Method

static int sum(int a, int b){

return a+b;

}

//Diference Method

static int difference(int a, int b){

int diff = Math.abs(a-b);

return diff;

}

//Product Method

static int product(int a, int b){

int prod = a*b;

return prod;

}

Explanation:

Using Java programming language
Use the scanner class to prompt and receive two values from the user (integers a and b)
Create the four methods as required (Please see the comments in the code)
In the difference method use Math.abs() to get the absolute value of the subtraction ensuring that you get a positive number returned

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Create a float variable named circumference.

Likurg_2 [28]

Answer:

Float circumference; // Create a float variable

Explanation:

The float datatype is used for storing the decimal point values .The syntax to declaring any float variable is given below.

float variable-name;

float circumference; // create a float variable

circumference=89.9007;; // store the value in circumference

Following are program in c++

#include <iostream> // header file

using namespace std; //namespace

int main() // main function

{

float circumference; // creating variable float

circumference=89.9007; // storing value

cout<<circumference; // display value circumference

return 0;

}

Output:

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