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Display Data Channel (DDC) is a collection of protocols for digital communication between a computer display and a graphics adapter that enable the display to communicate its supported display modes to the adapter and that enable the computer host to adjust monitor parameters, such as brightness and contrast.
A person who has most of their multimedia equipment interconnected with HDMI will tend to seek HDMI compatibility to all their other multimedia-capable equipment (although this is a far less severe case of lock-in than those above, due to the wide availability of adapters that can be used to connect HDMI equipment to and from—for instance ...
A standard HDMI cable HDMI wires in connector exposed. An HDMI cable is composed of four shielded twisted pairs, with impedance of the order of 100 Ω (±15%), plus seven separate conductors. HDMI cables with Ethernet differ in that three of the separate conductors instead form an additional shielded twisted pair (with the CEC/DDC ground as a ...
A bright dot defect or hot pixel is a group of three sub-pixels (one pixel) all of whose transistors are "off" for TN panels or stuck "on" for MVA and PVA panels. [2] This allows all light to pass through to the RGB layer, creating a bright pixel that is always on.
Active cables are copper cables used for data transmission that use an electronic circuit to boost their performance. Without an electronic circuit, a cable is considered passive. Without an electronic circuit, a cable is considered passive.
Depending on the product, the switch may present native connectors on the device where standard keyboard, monitor and mouse cables can be attached. Another method to have a single DB25 or similar connector that aggregated connections at the switch with three independent keyboard, monitor and mouse cables to the computers. Subsequently, these ...
As an inherently digital device, the LCD can natively display digital data from a DVI or HDMI connection without requiring conversion to analog. Some LCD panels have native fiber-optic inputs in addition to DVI and HDMI. [156] Many LCD monitors are powered by a 12 V power supply, and if built into a computer can be powered by its 12 V power supply.
PC components and systems which involve I 2 C are serial presence detect (SPD) EEPROMs on dual in-line memory modules (DIMMs), Extended Display Identification Data (EDID) for monitors via VGA, DVI and HDMI connectors, accessing NVRAM chips, etc. Common I2C applications include reading hardware monitors, sensors, real-time clocks, controlling ...