（）is a technique used for illumination behind the liquid crystal display that makes LCDs easier to read.

（）enables a computer processor to process two sets of i...

单项选择题（）enables a computer processor to process two sets of instructions at the same time.

（）is commonly performed on CPUs and video cards to allo...

单项选择题（）is commonly performed on CPUs and video cards to allow users to get enhanced performance.

Which of the following storage devices is not an exampl...

单项选择题Which of the following storage devices is not an example of an optical storage device?（）