下列哪一层是OSI模型中最靠近用户的一层(46)。

Local bus can increase the data throughput. The bus that is most frequently used is(75)。

A complete computer system contains()。

The operation of the Internet is closely monitored by the routers. When something unexpected occurs, the event will be reported by the protocol(73)。

An 8-bit video card uses(72)bits to store information about each pixel, and thus can display 256 different colors.

Resolution typically is(71)2 in dots per inch(dpi), and is stated as the number of columns and rows of dots.

称一种语言为低级程序语言是由于它(56)，而高级程序语言(57)。

(66)

中断是()。

围绕信息技术开发、信息产品的研制和信息系统建设、运行与管理而开展的一系列标准化工作称为(70)。

计算机的内存为32MB，也就是说，其内存有(68)字节的存储容量。