COMPUTER Flashcards
also known as easter graphics store and display images as a series of dots that are arranged in columns and rows.
Bitmap graphics
Rerefers to the physical dimension of the image.
size
refers to the density of pixels contained in an inch.
resolution
involves the task of capturing images and trnsfroming the images into a format that the computer understands.
Input stage
involves the task of altering, enhancing, combining,
analyzing digital images using siftware such as Adobe Photoshop, Adobe
Photoshop Lightroom, Photopea.
Image manipulation
The stage that include the task of displaying the processed image on screen,
printing the image on paper or recording digital images in storage.
Output stage
Uncompressed BMP
Huge file size
No difference from Tagged Image File Format
except that it can be used as a wallpaper
BMP
Basic metabolic panel
Colors are limited to 256 colors
Has lossless compression
Used for logos, heading, buttons, text, simple
diagrams, cartoons and other images with solid
colors
Supports transparency and simple animations
GIF
Graphics Interchanged Format
Used for photographic images that requires
relatively small in size
Has 16.7 million colors
Uses lossy compression
Not a good choise for storing text, large block of
colors and simple lines.
Common Types:
Baseline Standard: for all browsers
Baseline Optimized: for modern browsers
Progressive: Displays image gradually in
browsers
JPEG
Joint Photographic Experts Group
Uncompressed BITMAP
Industry standard for storing high resolution
bitmaps
No loss quality
Preserves layers and Alpha Transparencies
TIFF
Tagged Image File Format
Newest addition to bitmap file formats
Support all types of images
Designed to overcome the limitations of GIF
and JPG
Small in size without losing quality
Supports alpha channel for transparency
*not all browsers support this feature
PNG
Portable Network Graphics
IMAGE SIZE AND RESOLUTION FORMULA:
The total number of pixels
witdh(resolution)
height(resolution)
then, multiply it both
note: 1.000,00 /10^6 = 1 mega pixel
IMAGE SIZE AND RESOLUTION FORMULA:
width and the height of an image
1st pixel(w)/Resolution
2nd pixel(h)/Resolution
IMAGE
SIZE AND RESOLUTION FORMULA:
What is the image resolution:
Resolution = Pixel - Width/Width
OR
Resolution = Pixel - Height/Height
refers to the illustrations, artworks, charts, diagrams,
painting, photographs, cartoons etc. It can also refer to any element that is not a
text or sound.
graphics
