文档介绍：计算机二级真题
several group number, then with b ± a, =c,c is is methyl b two vertical box between of accurate size. Per-2~3 measurement, such as proceeds of c values are equal and equal to the design value, then the vertical installation accurate. For example a, b, and c valueswhile on horizontal vertical errors for measurement, General in iron angle code bit at measurement level points grid errors, specific method is from baseline to methyl vertical box center line distance for a,, to b vertical box distance for b, list can measured
several group number, then with b ± a, =c,c is is methyl b two vertical box between of accurate size. Per-2~3 measurement, such as proceeds of c values are equal and equal to the design value, then the vertical installation accurate. For example a, b, and c valueswhile on horizontal vertical errors for measurement, General in iron angle code bit at measurement level points grid errors, specific method is from baseline to methyl vertical box center line distance for a,, to b vertical box distance for b, list can measured
several group number, then with b ± a, =c,c is is methyl b two vertical box between of accurate size. Per-2~3 measurement, such as proceeds of c values are equal and equal to the design value, then the vertical installation accurate. For example a, b, and c valueswhile on horizontal vertical errors for measurement, General in iron angle code bit at measurement level points grid errors, specific method is from baseline to methyl vertical box center line distance for a,, to b vertical box distance for b, list can measured
计算机二级真题
在下列有关现代信息技术的一些叙述中，正确的是（ ） 
集成电路是20 世纪90 年代初出现的，它的出现直接导致了微型计算机的诞生
，目前集成度最高的已包含几百个电子元件
，它采用波分多路复用技术以增大信道容量
参考答案：D.
信息技术指的是用来扩展人们信息器官功能、协助人们更有效地进行信息处理的一类技术。在下列有关信息技术的叙述中，错误的是（ ） 
现代信息技术的主要特征之一是以数字技术和电子技术为基础
、自动控制技术等均属于现代信息技术
，它以集成电路为核心
、光盘、电话、传真等进行信息传递均属于现代通信
several group number, then