File Formats

Question 1

file format (container) and codec (compression type)

Answer 1

determines how the computer data is encoded, stored, interpreted by the programs.

Question 2

exchange format

Answer 2

a data format that can be used in several programs

Question 3

layout file formats

Answer 3

not generally available as exchange formats, unless the recipient has a compatible version of the program in question

Question 4

tags

Answer 4

data bytes of a certain length within the data blocks, which contain the image info (measurements, resolutions).

Question 5

pixel file formats

Answer 5

contain image data in a matrix of image dots (pixels), each pixel allocated certain color coordinates and a color value

Question 6

bitmap

Answer 6

simplest graphics format, the pixels are defined within a 2-D system of coordinates with an x-y value and a color value (files can be very large)

Question 7

vector formats

Answer 7

contain a mathematical description of individual objects in an image (lines, circles, polygons). easy to scale.

Question 8

metafile formats

Answer 8

contain both pixel/vector data (.eps)

Question 9

encapsulated postscript (.eps)

Answer 9

encoded in PostScript language, often can no longer be modified after saving in a program other than the one that produced them