1615524
Descripción
Fichas por Sally_Tisdall.020101, actualizado hace más de 1 año
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Creado por Sally_Tisdall.020101
hace más de 9 años
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| Pregunta | Respuesta |
| Metadata | Data about data |
| Colour Depth | Colour depth is the number of alternative colours that a pixel can use. Measured in bits , the number of bits indicates how many colours are available for each pixel. For example 1 but gives 2 colours , white and black . |
| Raster graphics | Also known as pixelmaps or bitmap graphics , are commonly used in digital cameras and are organised as a grid of coloured squares called pixels . |
| Vector graphics or images | Uses shapes to precisely define the parts of the image. .It is more efficient than bitmaps because it does not need to store every pixel as a bitmap does. Vector images can be changed without losing resolution. |
| Bitmap graphics | Also known as pixelmaps or raster graphics , are commonly used in digital cameras and are organised as a grid of coloured squares called pixels . |
| Resolution | Resolution is a measure of how many pixels are used in a given area. They tell you how dense (and therefore how detailed ) an image is .It is measured in dots per inch (dpi). |
| Pixel | An individual unit (often called a dot) that makes up an image . |
| Unicode | A worldwide encoding system used with different languages in which each letter, digit, or symbol is given a unique numeric value that applies across different platforms and programs. |
| ASCII code | (American Standard Code for Information Interchange) Is the most common format for text files in computers and on the Internet . |
| Parity Checking | The use of parity bits to check that data has been transmitted accurately. The parity bit is added to every data unit (usually seven or eight bits ) that are transmitted. |
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