Image Files chapter 3

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

1. Paint programs and Drawing programs

1. Paint programs create images by using pixels. Drawing programs use vectors, or lines, to produce an image.

identify the advantage of using a raster graphic

2. Used to create images such as photographs because of the wide range and variations of colors possible.

identify the advantage of using a vector graphic

3. Vector graphic are smoother than bitmaps and print without jagged edges because they are made up of individual lines, not pixels lined up next to one another on a grind.

describe the advantages and disadvantages of cloud computing

4. Cloud computing offers access to imaging software through the internet.

Explain why it is important to understand file extension

5. A file extension is the two to four letters following the dot at the end of a computer filename.

list at least four types of bitmap image extensions

6. BMP,JPG,GIF,TIF

differentiate between an AL vector file and a SVG or EPS one

7. EPS is a general purpose vector file format that has both the vector image data and a screen preview in the same file.

Explain why images are compressed

8. To reduce image file sizes, several algorithms have been written to reduce, or compress, the size of image files.

Differentiate between lossy and lossless compression.

9. Lossless produce a smaller file size and lossy deletes or changes some pixels.

bandwidth

very slow

pixel

you can see two images

resampling

Add pixels

Tagged Image File

BMP

BMP

Bitmap

Physical Size

Determine your final product

EPS

Encapsulated Post Script

Drawing Program

Graphics Software

Cite why you might want to use an interlaced image

It will load faster

JPG

Jay Peg

Digital Cameras

Pixel Densities

PNG

Portable Network Graphics

GIF

Pronounced with a hard G or soft G

TIF

Tagged Image File Format

aspect ratio

height and width

resolution

it is measured

compression

lossless and lossy

SVG

scalable vector graphics


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