Answer:
The DoubleDecimalTest class is as follows:
using System;
class DoubleDecimalTest {
static void Main() {
double doubleNum = 173737388856632566321737373676D;
decimal decimalNum = 173737388856632566321737373676M;
Console.WriteLine(doubleNum);
Console.WriteLine(decimalNum); }}
Explanation:
Required
Program to test double and decimal variables in C#
This declares and initializes double variable doubleNum
double doubleNum = 173737388856632566321737373676D;
This declares and initializes double variable decimalNum (using the same value as doubleNum)
decimal decimalNum = 173737388856632566321737373676M;
This prints doubleNum
Console.WriteLine(doubleNum);
This prints decimalNum
Console.WriteLine(decimalNum);
Unless the decimal variable is commented out or the value is reduced to a reasonable range, the program will not compile without error.
b) Within that file only
c) global
Answer:
a
Explanation:
The variable declared is local within that function that is the declared variable is accessible inside that block itself, it cannot be accessible outside the given function.
ex - void add()
{
int a=10, b=20 , c ;
c = a + b ;
cout << c ;
}
int main()
{
cout << "value for c is :"<< c ;
return 0;
}
Here inside the add function variable a, b,c are declared and initialized inside the function.
b) source address
c) type of application
The most significant protocol at layer 3, often known as the network layer, is the Internet Protocol, or IP.The IP protocol, the industry standard for packet routing among interconnected networks, is the source of the Internet's name. Thus, option C is correct.
Application-layer firewalls operate at the TCP/IP stack's application level (all browser traffic, or all telnet or ftp traffic, for example), and thus have the ability to intercept any packets going to or from an application. They stop different packets (usually dropping them without acknowledgment to the sender).
Firewalls are frequently positioned at a network's edge. An external interface is the one that is located outside the network, while an internal interface is the one that is located inside the firewall.
Therefore, The terms “unprotected” and “protected,” respectively, are sometimes used to describe these two interfaces.
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The answer is c) type of application
-------time
time.sleep(3)
Answer:
import
Explanation:
If this is python, you'll have to import the time module.
Answer:
Check the explanation
Explanation:
// Define a Square class with methods to create and read in
// info for a square matrix and to compute the sum of a row,
// a column, either diagonal, and whether it is magic.
//
// ****************************************************************
import java.util.Scanner;
import java.io.*;
public class Square {
int[][] square;
//--------------------------------------
//create new square of given size
//--------------------------------------
public Square(int size) {
square = new int[size][size];
}
//-----------------------------------------------
//return the sum of the values in the given row
//-----------------------------------------------
public int sumRow(int row) {
// Add your code here
int sum = 0;
for (int i = 0; i < square.length; i++) {
sum = sum + square[row][i];
}
return sum;
}
//-------------------------------------------------
//return the sum of the values in the given column
//-------------------------------------------------
public int sumCol(int col) {
// Add your code here
int sum = 0;
for (int i = 0; i < square.length; i++) {
sum = sum + square[i][col];
}
return sum;
}
//---------------------------------------------------
//return the sum of the values in the main diagonal
//---------------------------------------------------
public int sumMainDiag() {
// Add your code here
int sum = 0;
for (int i = 0; i < square.length; i++) {
sum = sum + square[i][i];
}
return sum;
}
//---------------------------------------------------------------
//return the sum of the values in the other ("reverse") diagonal
//---------------------------------------------------------------
public int sumOtherDiag() {
// Add your code here
int sum = 0;
for (int i = 0; i < square.length; i++) {
sum = sum + square[square.length - i - 1][i];
}
return sum;
}
//-------------------------------------------------------------------
//return true if the square is magic (all rows, cols, and diags have
//same sum), false otherwise
//-------------------------------------------------------------------
public boolean magic() {
// Add your code here. Check if the sum of main diagonal equals the other diagonal,
// also if all rows and all columns sums equal to the diagonal as well. Any uneuqal will
// terminate the comparison.
int d1 = sumMainDiag();
int d2 = sumOtherDiag();
if (d1 != d2) {
return false;
}
for (int i = 0; i < square.length; i++) {
if (d1 != sumRow(i) || d1 != sumCol(i)) {
return false;
}
}
return true;
}
//----------------------------------------------------
//read info into the square from the standard input.
//----------------------------------------------------
public void readSquare(Scanner scan) {
for (int row = 0; row < square.length; row++) {
for (int col = 0; col < square.length; col++) {
square[row][col] = scan.nextInt();
}
}
}
//---------------------------------------------------
//print the contents of the square, neatly formatted
//---------------------------------------------------
public void printSquare() {
for (int row = 0; row < square.length; row++) {
for (int col = 0; col < square.length; col++) {
System.out.print(square[row][col] + "\t");
}
System.out.println();
}
}
}
// ****************************************************************
// SquareTest.java
//
// Uses the Square class to read in square data and tell if
// each square is magic.
//
// ****************************************************************
class SquareTest {
public static void main(String[] args) throws IOException {
File file = new File("magicData.txt");
Scanner scan = new Scanner(file);
int count = 1; //count which square we're on
int size = scan.nextInt(); //size of next square
//Expecting -1 at bottom of input file
while (size != -1) {
//create a new Square of the given size
Square magicSquare = new Square(size);
//call its read method to read the values of the square
magicSquare.readSquare(scan);
System.out.println("\n******** Square " + count + " ********");
//print the square
magicSquare.printSquare();
//print the sums of its rows
for (int row = 0; row < size; row++) {
System.out.println("Sum of row " + row + ": "
+ magicSquare.sumRow(row));
}
//print the sums of its columns
for (int col = 0; col < size; col++) {
System.out.println("Sum of column " + col + ": "
+ magicSquare.sumCol(col));
}
//print the sum of the main diagonal
System.out.println("Sum of the main diagonal: "
+ magicSquare.sumMainDiag());
//print the sum of the other diagonal
System.out.println("Sum of the other diagonal: "
+ magicSquare.sumOtherDiag());
//determine and print whether it is a magic square
if (magicSquare.magic()) {
System.out.println("It's a magic square!");
} else {
System.out.println("It's not a magic square!");
}
System.out.println();
//get size of next square
size = scan.nextInt();
count++;
}
}
}
Answer:
See explaination
Explanation:
/ Define a Square class with methods to create and read in
// info for a square matrix and to compute the sum of a row,
// a column, either diagonal, and whether it is magic.
//
// ************************************************************
import java.util.Scanner;
import java.io.*;
public class Square {
int[][] square;
//--------------------------------------
//create new square of given size
//--------------------------------------
public Square(int size) {
square = new int[size][size];
}
//-----------------------------------------------
//return the sum of the values in the given row
//-----------------------------------------------
public int sumRow(int row) {
// Add your code here
int sum = 0;
for (int i = 0; i < square.length; i++) {
sum = sum + square[row][i];
}
return sum;
}
//-------------------------------------------------
//return the sum of the values in the given column
//-------------------------------------------------
public int sumCol(int col) {
// Add your code here
int sum = 0;
for (int i = 0; i < square.length; i++) {
sum = sum + square[i][col];
}
return sum;
}
//---------------------------------------------------
//return the sum of the values in the main diagonal
//---------------------------------------------------
public int sumMainDiag() {
// Add your code here
int sum = 0;
for (int i = 0; i < square.length; i++) {
sum = sum + square[i][i];
}
return sum;
}
//---------------------------------------------------------------
//return the sum of the values in the other ("reverse") diagonal
//---------------------------------------------------------------
public int sumOtherDiag() {
// Add your code here
int sum = 0;
for (int i = 0; i < square.length; i++) {
sum = sum + square[square.length - i - 1][i];
}
return sum;
}
//-------------------------------------------------------------------
//return true if the square is magic (all rows, cols, and diags have
//same sum), false otherwise
//-------------------------------------------------------------------
public boolean magic() {
// Add your code here. Check if the sum of main diagonal equals the other diagonal,
// also if all rows and all columns sums equal to the diagonal as well. Any uneuqal will
// terminate the comparison.
int d1 = sumMainDiag();
int d2 = sumOtherDiag();
if (d1 != d2) {
return false;
}
for (int i = 0; i < square.length; i++) {
if (d1 != sumRow(i) || d1 != sumCol(i)) {
return false;
}
}
return true;
}
//----------------------------------------------------
//read info into the square from the standard input.
//----------------------------------------------------
public void readSquare(Scanner scan) {
for (int row = 0; row < square.length; row++) {
for (int col = 0; col < square.length; col++) {
square[row][col] = scan.nextInt();
}
}
}
//---------------------------------------------------
//print the contents of the square, neatly formatted
//---------------------------------------------------
public void printSquare() {
for (int row = 0; row < square.length; row++) {
for (int col = 0; col < square.length; col++) {
System.out.print(square[row][col] + "\t");
}
System.out.println();
}
}
}
// ****************************************************************
// SquareTest.java
//
// Uses the Square class to read in square data and tell if
// each square is magic.
//
// ****************************************************************
class SquareTest {
public static void main(String[] args) throws IOException {
File file = new File("magicData.txt");
Scanner scan = new Scanner(file);
int count = 1; //count which square we're on
int size = scan.nextInt(); //size of next square
//Expecting -1 at bottom of input file
while (size != -1) {
//create a new Square of the given size
Square magicSquare = new Square(size);
//call its read method to read the values of the square
magicSquare.readSquare(scan);
System.out.println("\n******** Square " + count + " ********");
//print the square
magicSquare.printSquare();
//print the sums of its rows
for (int row = 0; row < size; row++) {
System.out.println("Sum of row " + row + ": "
+ magicSquare.sumRow(row));
}
//print the sums of its columns
for (int col = 0; col < size; col++) {
System.out.println("Sum of column " + col + ": "
+ magicSquare.sumCol(col));
}
//print the sum of the main diagonal
System.out.println("Sum of the main diagonal: "
+ magicSquare.sumMainDiag());
//print the sum of the other diagonal
System.out.println("Sum of the other diagonal: "
+ magicSquare.sumOtherDiag());
//determine and print whether it is a magic square
if (magicSquare.magic()) {
System.out.println("It's a magic square!");
} else {
System.out.println("It's not a magic square!");
}
System.out.println();
//get size of next square
size = scan.nextInt();
count++;
}
}
}
Answer:
An LCD projector is a type of video projector for displaying video, images, or computer data on a screen or other flat surface. It is a modern equivalent of the slide projector or overhead projector.
It's different because in a computer display, the screen is the physical surface on which visual information is presented. This surface is usually made of glass.
Explanation:
A digital projector is a device that projects video or images onto a large screen, suitable for shared viewing in larger settings. It differs from a computer screen in terms of size, portability, shared viewing capabilities, image quality, source connectivity, and adjustments.
A digital projector is a device that takes a video or image signal from a computer, DVD player, or other multimedia source and projects it onto a large screen or surface.
The key differences between a digital projector and a computer screen:
Size: The most obvious difference is the size of the display.
Portability: Computer screens are generally fixed and not easily portable, whereas digital projectors are often designed for mobility.
Shared Viewing: A computer screen is designed for individual or small group viewing at close distances, while a digital projector is meant for larger audiences.
Image Quality: Digital projectors vary in imagequality, and high-quality projectors can offer impressive resolution and brightness suitable for movie screenings or professional presentations.
Source Connectivity: Both a computer screen and a digital projector can receive input from computers and other multimedia sources.
Placement and Adjustment: Digital projectors often provide manual or automatic keystone correction and focus adjustments to ensure the projected image remains proportional and clear on the screen or surface.
Hence, a digital projector is a device used to project large-scale images or video onto a screen or surface, suitable for shared viewing in larger settings.
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