Hardware - Electrical and mechanical parts of a computer
Modem - A device that allows computers to communicate via phone lines or cables lines
Platform - Operating system that runs programs (Mac, Linux, and Windows)
ISP – Internet Service Provider Ex.[Roadrun
histogram-illustrates how pixels in an image are distributed by graphing the number of pixels at each color intensity level.
Additional Reading
Extra This can show you whether the image contains enough detail in the shadows (shown in the left part of the histogram), midtones (shown in the middle), and highlights (shown in the right part) to make a good correction
vaporware-sarcastic term used to for software and hardware products that have been announced and advertised but are not yet available
Microcomputer-A personal computer that contains a central processing unit (CPU), a memory system, all housed in a motherboard.
Minicomputer -A midsized computer that is a multiprocessing system capable of supporting from 4 to about 200 users simultaneously.
ner- Net Zero, SBC]
CRT – Cathode Ray Tube -Tube used in TV’s & computer monitors to display the output of video signal or computer line info. Uses RGB.
LCD – Liquid Crystal Display- Low power display contains a liquid crystal solution between 2 sheets of polarizing material.
Plasma Display-A type of flat-panel display that works by sandwiching a gas mixture between two sealed glass plates
Additional reading –Don’t need to write this down
The plates are sealed so that the electrodes form right angles, creating pixels. When a voltage pulse passes between two electrodes, the gas breaks down and produces weakly ionized plasma, which emits UV radiation.
VGA-Video Graphics Array, a graphics display system for PCs developed by IBM.
PDF -portable document format. Created by Adobe. Document can be viewed even if your system lacks the fonts used in the document. Uses Acrobat Reader
Interpolation- is an imaging method for increasing the size of a digital image by repeating existing data with a mix of faked data to enlarge the image.
dpi- ……dots per inch used to describe the resolution a monitor, printer or scanner. Printing = 300dpi & display on monitors = 72dpi.
Resampling- Sizing an image upward or downward, & letting the software add pixel data (upsampling) or cut pixels data of the image (downsampling).
RGB – red – green – blue Primary colors when using light (Additive colors) Ex. monitor
CMYK - Cyan - Magenta – Yellow – Black (Subtractive Colors) Professional Printing
GAMUT - full range of color that can be displayed or printed
WYSIWYG -What You See Is What You Get - the screen is exactly what will appear when printed
visual arts - art forms that are primarily visual in nature, such as painting, photography, printmaking, and filmmaking.
Cloning – duplicating pixels from one part of an image to another
Port – place on the computer where you plug something in.
CPU - Central Processing Unit “the brains of the computer”
Clip art – collection of predrawn and digitized graphics
GIF – graphic interchange format. Supports transparencies and animation.
JAVA - platform independent program language used to create applets.
Raster Image - picture created in a rectangular array of bitmaps
