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In computing, hardware overlay, a type of video overlay, provides a method of rendering an image to a display screen with a dedicated memory buffer inside computer video hardware. The technique aims to improve the display of a fast-moving video image — such as a computer game , a DVD , or the signal from a TV card .
Video overlay is any technique used to display a video window on a computer display while bypassing the chain of CPU to graphics card to computer monitor. This is done in order to speed up the video display, and it is commonly used, for example, by TV tuner cards and early 3D graphics accelerator cards. The term is also used to describe the ...
In 2015, Laptop magazine ranked MSI the fourth-best laptop brand of the year, [50] [51] and according to Topology Research Institute, MSI was the largest gaming laptop supplier worldwide in 2016. [ 52 ] [ 53 ] MSI had also been awarded the Taiwan Excellence award for 15 consecutive years in 2013. [ 54 ]
The Akai VS-2 was the first VCR with an on-screen display, originally named the Interactive Monitor System. By displaying the information directly on the television screen, this innovation eliminated the need for the user to be physically near the VCR to program recording, read the tape counter, or perform other common features.
Shortcut Guide adds a full screen overlay that allows the user to view the windows key shortcuts available in the current window. [26] Text Extractor adds the ability to copy text from anywhere on the screen. [28] Video Conference Mute adds tools to disable/enable the camera and microphone. [36]
Mac: The classic Mac OS supported system extensions known generally as FKEYS which could be installed in the System file and could be accessed with a Command-Shift-(number) keystroke combination (Command-Shift-3 was the screen capture function included with the system, and was installed as an FKEY); however, early Macintosh keyboards did not support numbered function keys in the normal sense.
In the home computer era overlays were popular because the operating system and many of the computer systems it ran on lacked virtual memory and had very little RAM by current standards: the original IBM PC had between 16K and 64K, depending on configuration. Overlays were a popular technique in Commodore BASIC to load graphics screens. [2]
Video overlay, techniques to display video on computer display; Hardware overlay, one type of video overlay that uses memory dedicated to the application; Another term for exec, replacing one process by another; Overlay (programming), a technique to reduce the amount of memory used by a program; Overlay keyboard, a specialized keyboard with no ...