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nikdorinn [45]
3 years ago
5

What does raster graphic mean

Computers and Technology
1 answer:
user100 [1]3 years ago
6 0
Raster graphics are digital images created or captured (for example, by scanning in a photo) as a set of samples of a given space. A raster is a grid of x and y coordinates on a display space. (And for three-dimensional images, a z coordinate.)
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Lossless and lossy are the two (2) universally known categories of compression algorithms. Compare the two (2) categories of alg
Romashka-Z-Leto [24]

Answer:

The lossy compression method is also known as irreversible compression and is beneficial if the quality of the data is not your priority. It slightly degrades the quality of the file or data but is convenient when one wants to send or store the data. This type of data compression is used for organic data like audio signals and images. The algorithm use in Lossy compression include: Transform coding, DCT, DWT, fractal compression, RSSMS.

The Lossless compression method is also known as reversible compression and is capable of reconstituting the original form of the data. The quality of the data is not compromised. This technique allows a file to restore its original form. Lossless compression can be applied to any file format can improve the performance of the compression ratio. The algorithm use in Lossless compression include: RLW, LZW, Arithmetic encoding, Huffman encoding, Shannon Fano coding.

Advantage of Lossy compression: Lossy compression can achieve a high level of data compression when compared to lossless compression.

Advantage of Lossless compression: Lossless compression doesn’t degrade the quality of data during compression

Disadvantage of Lossy compression: Lossy compression degrades the quality of the data during compression

Disadvantage of Lossless compression: Lossless compression has less data holding capacity when compared to lossy method

Example of type of data for Lossless compression: Text

Example of type of data for Lossy compression: Audio

Explanation:

8 0
3 years ago
Read 2 more answers
Easter Sunday is the first Sunday after the first full moon of spring. To compute the date, you can use this algorithm, invented
BlackZzzverrR [31]

Answer:

The program written in Java without comment is as follows

import java.util.*;

public class MyClass {

   public static void main(String args[]) {

       Scanner input = new Scanner(System.in);

       System.out.print("Year: ");

       int y = input.nextInt();

       int a = y%19;

       System.out.println("a = "+a);

       int b = y / 100;

       System.out.println("b = "+b);

       int c = y%100;

       System.out.println("c = "+c);

       int d = b / 4;

       System.out.println("d = "+d);

       int e = b%4;

       System.out.println("e = "+e);

       int g = (8 * b + 13)/25;

       System.out.println("g = "+g);

       int h = (19 * a + b - d - g + 15)%30;

       System.out.println("h = "+h);

       int j = c/4;

       System.out.println("j = "+j);

       int k = c%4;

       System.out.println("k = "+k);

       int m = (a + 11 * h)/319;

       System.out.println("m = "+m);

       int r = (2 * e + 2 * j - k - h + m + 32)%7;

       System.out.println("r = "+r);

       int n = (h - m + r + 90)/25;

       System.out.println("n = "+n);

       int p = (h - m + r + n + 19)%32;

       System.out.println("p = "+p);

   }

}

Explanation:

<em>I've added the full source code as an attachment where I use comments to explain difficult lines</em>

Download java
7 0
3 years ago
Under which key category do the Page Up and Page Down keys fall?
Fiesta28 [93]
They are called the navigation keys
7 0
3 years ago
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What is the difference between - and % in mysql
jarptica [38.1K]

Answer:

Explanation:

Mysql is an open source database management system written in C and C++ language used to store, retrieve or modify a database. Mysql is used as a web database. Mysql can be combined with other programs so as to provide relational database capabilities as well as its implementation.

% matches any number of characters as well as zero characters while _ matches exactly one character.

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3 years ago
Calls to the tostring( ) method emphasize the use of ____.
DaniilM [7]
<span>Polymorphic message
   
Methods in different classes with a similar function are given the same name. - Makes classes easier to use because programmers need to remember fewer method names. - Employed as much as possible. - Polymorphic message ex. is the toString method.</span>
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