Monday, February 14, 2011

COLOUR DEPTH Definition

DEFINITION Color depth or bit depth is the number of bits used to represent the color of a single pixel in a bitmapped image or video frame buffer. This concept is also known as bits per pixel (bpp), particularly when specified along with the number of bits used.
Example on the left :)

FRAME BUFFER Definition

DEFINITION: A framebuffer is a video output device that drives a video display from a memory buffer containing a complete frame of data.
Example on the left :)

COMPRESSION Definition

DEFINITION: To compact data to save space.
Example on the left of two types of compression lossy and lossless

FILE EXTENSION Definition

DEFINITION: A file extension is the suffix at the end of a filename that indicates what type of file it is.

RESOLUTION Definition

DEFINITION: the number of pixels per square inch on a computer-generated display; the greater the resolution, the better the picture.
Example before and after :)

DPI (DOTS PER INCH)

DEFINITION: An abbreviation for dots per inch. Refers to the resolution at which a device, such as a monitor or printer, can display text and graphics. Monitors are usually 100 dpi or less, and laser printers are 300 dpi or higher.
An example on the left :)

CPU Definition

DEFINITION: The main box with a large, but limited memory storage space for saving data and for transferring data. It is the "main brain" of your computer set-up.
An example on the left