1615482
Description
Flashcards by Charles Mugan, updated more than 1 year ago
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Created by Charles Mugan
about 10 years ago
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| Question | Answer |
| Parity Checking | Each time a byte is transferred, the parity bit is checked. One-bit parity systems will detect if one of the eight bits in the byte has been erroneously switched from 1 to 0 or from 0 to 1. |
| ASCII Code | ASCII is the most common format for text files in computers and on the Internet. In an ASCII file, each alphabetic, numeric, or special character is represented with a 7-bit binary number. |
| Unicode | An international encoding standard for use with different languages, by which each letter, digit, or symbol is assigned a unique numeric value that applies across different platforms and programs. |
| Pixel | A minute area of illumination on a display screen, one of many from which an image is composed. |
| Resolution | Resolution is the number of pixels (individual points of color) contained on a display monitor |
| Colour Depth | Color depth, also known as bit depth, is either the number of bits used to indicate the color of a single pixel |
| Metadata | A set of data that describes and gives information about other data. |
| Vector Graphics | Vector graphics is the use of geometrical primitives such as points, lines, curves, and shapes or polygons—all of which are based on mathematical expressions—to represent images in computer graphics. |
| Bitmap Graphics | A bitmap graphic is composed of many tiny parts, called pixels, which are often many different colours. It is possible to edit each individual pixel. |
| Raster Graphics | 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. |
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