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单词 Video display card
释义

Video display card

中文百科

显示卡 Video card

(重定向自Video display card)
一款集成电视盒的PCI显卡
一款双核心的AGP显卡
基于PCI-E的多显卡互联技术

显卡Video cardDisplay cardGraphics cardVideo adapter),是个人电脑最基本组成部分之一,用途是将计算机系统所需要的显示信息进行转换驱动显示器,并向显示器提供逐行或隔行扫描信号,控制显示器的正确显示,是连接显示器和个人电脑主板的重要组件,是「人机对话」的重要设备之一。

英语百科

Video card 显示卡

(重定向自Video display card)
Classical desktop computer architecture with a distinct graphics card over PCI Express. Typical bandwidths for given memory technologies, missing are the memory latency. Zero-copy between GPU and CPU is not possible, since both have their distinct physical memories. Data must be copied from one to the other to be shared.
Integrated graphics with partitioned main memory: a part of the system memory is allocated to the GPU exclusively. Zero-copy is not possible, data has to be copied, over the system memory bus, from one partition to the other.
Integrated graphics with unified main memory, to be found AMD
A Radeon HD 7970 with the cooler removed, showing the major components of the card.

A video card (also called a video adapter, display card, graphics card, graphics board, display adapter, graphics adapter or frame buffer) is an expansion card which generates a feed of output images to a display (such as a computer monitor). Frequently, these are advertised as discrete or dedicated graphics cards, emphasizing the distinction between these and integrated graphics. Within the industry, video cards are sometimes called graphics add-in-boards, abbreviated as AIBs, with the word "graphics" usually omitted.

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