CGS Computer Output
Dot pitch statements
-distance between two adjoining sub-pixels in a display -the closer the spacing (the smaller the dot pitch) the sharper the image -a description of the quality of monitor or TV screen
Which of the following are typical aspect ratios for monitors
16:9 4:3
Steps for laser printer
1. Laser "removes" electrons from drum 2. Paper is fed between the drum and the toner 3. Charged toner its attached to the drum 4. Toner is melted onto the paper
also known as additive manufacturing (AM), ___ printing sprays successive layers of material to create an object
3D
Dvd's use longer (red spectrum lasers) DVDs and Blu rays are considered optical media
TRUE
The smallest controllable element of an image is called a _
pixel
Characteristics of thermal printing
-used for printing receipts -paper turns black when heated
The number of bits of data describing each pixel in a display is referred to as _ depth
Bit
print quality (resolution) is measured in __
Dots per inch (DPI)
which of the following statements best defines the term "frame rate"?
Number of times per second a frame in a video is advanced
Most peripheral such as this external hard drive connect to a computer using a _ port
USB
A description of the difference in the luminance of a display's pixels compared to the black pixels is called _
contrast
The distances between 2 adjacent sub-pixels on a display is referred to as _
dot pitch
The art and science of creating output that provides information in the most useful manner is called _
ergonomics
What kind of printers are commonly used in offices?
laser
what is a LCD
liquid Crystal display, type of computer monitor
The video screen that comes with a computer is referred to as its _
monitor
A type of printer that is used to print large graphic images such as architectural drawings by mechanically moving a pen over a large sheet of paper is known as a _
plotter
An output device that uses light to display a video or image output on a surface is called a _
projector
How fast each pixel in a display is updated
refresh rate
The most common printers for printing receipts are _ printers
thermal
To create an image with a laser printer _ is drawn to the drum
toner