Blue light reduces quality sleep and comes from

An IT security threat is anything that might cause serious harm to a computer system.

Blababa [14]

Answer:

True

Explanation:

this is true because a threat can endanger the computer and its system

5 0

2 years ago

Outline the steps necessary to prepare a storage device for storing files. Identify and briefly describe the tools used to prepa

Fantom [35]

Answer:

Outline the steps necessary to prepare a storage device for storing files.

Link the storage unit to a network, whether it be a laptop computer or a mobile device.
Firewall it with sufficient anti-virus so that it also does not affect the linked system.
The program must auto-install the storage device on the network after quarantine, and authorize it.
Test the file that requires to be moved to the storage device, then upload it to the storage device after anti virus is safe.
Should not directly pull the storage device out of the network, select the exit device option correctly and only then remove the device after it has been accepted.

Identify and briefly describe the tools used to prepare a storage device for storing files.

EFSDump - Users can share encrypted files by carrying certificates by using EFSDump. It is usually very time consuming to audit the users who have privileges. But it is very simple to list users who have access to encrypted files using EFSDump.

SDelete - Suppose Windows operating system eliminates the index and prevents access when we delete a file. All the same, attackers can still recover the contents of the file. Files that are encrypted by EFS leave the file behind on the disk. Using the SDelete tool we can modify free space to prevent the recovery of deleted files.

Explain why file systems are critical components of an operating system. What is their purpose?

Hypothetically defining file system is nothing more than the way files are called and logically organized for storage.

Ex: DOS, Windows, and Unix-based operating systems all contain various file systems where data is organized in tree structure.

Usually defines the naming of files, how long the suffix can be. The file system often includes a format indicating the access to a file.

Specify the file system or file systems that would be available with that operating system.

A file system controls the mechanism by which data is stored and accessed on a disk. This deals mainly with internal disk operations such as naming files, records, directories, documentation, storage management, and other protocol accesses.

FAT (File Allocation Table)
NTFS (New Technology File System)

Describe from an administrator perspective what is necessary to prepare a storage device for access by a user.

Connection to the storage unit is equipment-oriented. The Windows Explorer summary contains optical drives, USB keys and hard drives as separate devices, making it much easier to navigate a new computer.

To connect a Linux computer you must mount the drive by connecting it to a directory.

Usually mounting a device is a manual operation, since only the administrator determines which directory the system attaches to.

Graphical interfaces are seldom seen on Linux servers. When you plug a storage device into a USB port on your computer, nothing can happen.

Usually the mount command looks like mount/dev / sdb1/mnt, where /dev / sdb1 is the system and /mnt is the directory you want to mount it.

List a few ways that a user can utilize a file system.

System output can be improved not only by choosing the most appropriate file system(s) but also by using the various choices available for most file systems.

There are variations in the number of options depending on the specific file system, and some options can only be set at the time of development of the filesystem, even though it can be modified afterwards.

7 0

3 years ago

How to resize an image in photoshop without losing quality.

castortr0y [4]

Answer:

Explanation:

Make sure resample is turned on

Turn on the chain link if you want the width and height to change together. If not, turn off the chain so that you can set your own width and height.

Choose your new size (you can choose to choose different measurement units by clicking on “inches”)

press ok

i hoped this helped!!!!!!!!

8 0

3 years ago

What kind of device is a cpu input or output?

Rina8888 [55]

Correct answer: Neither

The CPU is also known as the processor or microprocessor. The CPU is responsible for executing a sequence of stored instructions called a program. This program will take inputs from an input device, process the input in some way and output the results to an output device. It is neither an input nor an output device, but it is usually connected to both kinds of devices.

Output devices like your monitor, speaker, and printer does not process anything fo it to be categorized as a processing device like your CPU and so as input devices like your mouse, microphone, and keyboard.

3 0

4 years ago

Create a class called StockTester that has the following fucntionality. a. Create a main method with an ArrayList named dataStoc

myrzilka [38]

Solution :

public class $\text{Stock}$ {

private $\text{String}$ stockName, $\text{purchaseDate}$ ;

private $\text{int}$ nShares;

private $\text{double}$ price;

public $\text{Stock}()$

{

this.stockName = "";

this.purchaseDate = "";

this.nShares = 0;

this.price = 0.0;

}

public Stock(String stockName, String purchaseDate, int nShares, double price) {

this.stockName = stockName;

this.purchaseDate = purchaseDate;

this.nShares = nShares;

this.price = price;

}

public String getStockName() {

return stockName;

}

public void setStockName(String stockName) {

this.stockName = stockName;

}

public String getPurchaseDate() {

return purchaseDate;

}

public void setPurchaseDate(String purchaseDate) {

this.purchaseDate = purchaseDate;

}

public int getnShares() {

return nShares;

}

public void setnShares(int nShares) {

this.nShares = nShares;

}

public double getPrice() {

return price;

}

public void setPrice(double price) {

this.price = price;

}

public String toString()

{

return("Stock name: " + this.stockName + "\nPurchase date: " + this.purchaseDate

+ "\nNumber of shares of stock: " + this.nShares + "\nPrice: $" + String.format("%,.2f", this.price));

}

public void printStock()

{

System.out.println("Stock name: " + this.stockName + "\nPurchase date: " + this.purchaseDate

+ "\nNumber of shares of stock: " + this.nShares + "\nPrice: $" + String.format("%,.2f", this.price)

+ "\n");

}

StockTester.java (Driver class)

import $\text{java.io.}$ File;

import $\text{java.io.}$ File $\text{NotFound}$ Exception;

import $\text{java.util.}$ ArrayList;

import $\text{java.util.}$ Scanner;

$\text{public}$ class StockTester {

private static final String FILENAME = "StockInfo $.$ csv";

public static $\text{void}$ main( $\text{String}[]$ args)

{

ArrayList $$$$ dataStock = $\text{readData}$ (FILENAME);

System.out.println("Initial stocks:");

for(Stock s : dataStock)

s.printStock();

System.out.println("Adding a new Stock object to the list..");

Stock newStock = new Stock("Gamma", "03/01/20", 100, 50.5);

dataStock.add(newStock);

System.out.println("\nStocks after adding the new Stock..");

for(Stock s : dataStock)

s.printStock();

Stock targetStock = dataStock.get(3);

double reqReturn = requiredReturn(targetStock, 4000, 3);

System.out.println("Required rate of return = " + String.format("%.2f", reqReturn) + "%");

}

private static ArrayList<Stock> readData(String filename)

{

ArrayList<Stock> stocks = new ArrayList<>();

Scanner fileReader;

try

{

fileReader = new Scanner(new File(filename));

while(fileReader.hasNextLine())

{

String[] data = fileReader.nextLine().trim().split(",");

String stockName = data[0];

String purchaseDate = data[1];

int nShares = Integer.parseInt(data[2]);

double price = Double.parseDouble(data[3]);

stocks.add(new $\text{Stock}$ (stockName, $\text{purcahseDate}$ , nShares, price));

}

fileReader.close();

}catch(FileNotFoundException fnfe){

System.out.println(filename + " cannot be found!");

System.exit(0);

}

return stocks;

}

private static double requiredReturn(Stock s, double targetPrice, int years)

{

double reqReturn;

double initialPrice = s.getPrice() * s.getnShares();

reqReturn = ((targetPrice - initialPrice) / initialPrice * years) * 100;

return reqReturn;

}

3 0

3 years ago