Displays & Multimedia Devices (Chapter 2) Flashcards
LCDs
Liquid Crystal Display
Twisted Numatics (TN)
- Low viewing angles
- Fast response time
- low color quality
In-Plane Switching (IPS)
- Wide viewing angles
- Slow response time
- High color quality
Vertical Alignment (VA)
- High Contrast ratio
- Good viewing angles
- Good color quality
OLED
Organic Light Emitting Diode
- No backlighting
- True black
- Thinner
- less power hungry
Digital Projector
Large format display that projects the image onto a screen or wall via a passing light from a bulb or laser through a lens
CRT - analog
LCD - powerful lamp
DLP - pixel represented by mirror
Laser - lamp replaced with a laser
Graphics Card (GPU)
Microprocessor responsible for calculating and displaying visual elements
- PCIe x16
-needs additional power from a PSU
5.1Dolby
3 front speakers
2 rear speakers
1 subwoofer
7.1 Dolby
3 front speakers
2 side speakers
2 rear speakers
1 subwoofer
Screen Size
The diagonal length of a screens surface in inches
Refresh Rate
The rate at which a monitor refresh each second, measured in Hz
Pixel Pitch
The distance between adjacent pixels, the small the number the better
Resolution
The number of pixels on a screen
Contrast Ratio
Ratio between true black and true white the display can achieve, the higher the ratio the better
Aspect Ratio
The ratio of the width and height of a display in inches
VGA standards (WXGA)
WXGA
- 1280x800 16:10
HDMI port
Supports digital video and Audio stream
Version 1.4
= 4K support
Version 2.1
= 10k support
Sound port colours
Blue –> Audio in
Pink –> Mic in
Lime –> Audio out (stereo)
Black –> Audio out (rear speaker)
Orange – Audio Out (subwoofer)
