一般私有成员,对象不能直接访问,只能通过类中设置的接口函数来访问,那么,为什么要有这种设置呢?非常的简单,为了安全,看下面代码就明白了 #include iostreamusing namespace std;class Human{public: void set(int w); int print();private: int weigh
一般私有成员,对象不能直接访问,只能通过类中设置的接口函数来访问,那么,为什么要有这种设置呢?非常的简单,为了安全,看下面代码就明白了
#include <iostream> using namespace std; class Human { public: void set(int w); int print(); private: int weight; }; int main() { Human Tom; Tom.set(111); cout0&&w <p>代码很清晰啊,这样通过接口访问的话,会安全,比如设置数据的时候,也可咋print接口中设置一下取的条件,这样程序的安全性会非常的好.</p> </iostream>

主板上的aafp是音频接口;该接口的功能是启用前面板的“3.5mm”插孔,起到传输音频的作用,aafp跳线基本上由两个部分组成,一部分是固定在主板、硬盘等设备上的,由两根或两根以上金属跳针组成,另一部分是跳线帽,是一个可以活动的组件,外层是绝缘塑料,内层是导电材料,可以插在跳线针上。

“cha fan”表示的是机箱风扇;“cha”是“chassis”的缩写,是机箱的意思,“cha fan”接口是主板上的风扇供电接口,用于连接主板与机箱风扇,可以配合温度传感器反馈的信息进行智能的转速调节、控制噪音。

ioioi是指COM接口,即串行通讯端口,简称串口,是采用串行通信方式的扩展接口。COM接口是指数据一位一位地顺序传送;其特点是通信线路简单,只要一对传输线就可以实现双向通信(可以直接利用电话线作为传输线),从而大大降低了成本,特别适用于远距离通信,但传送速度较慢。

link/act是物理数据接口;交换机上的link/act指示灯表示线路是否连接或者活动的状态;通常Link/ACT指示灯用来观察线路是否激活或者通畅;一般情况下,若是线路畅通,则指示灯长亮,若是有数据传送时,则指示灯闪烁。

jbat1是主板电2113池放电跳线接口,对于现在市面上常见的主板来说,它们都设计有CMOS的放电跳线,让用户在操作时更加便捷,它也因此成为了CMOS最常见的放电方法。

sata6g是数据传输速度为“6G/s”的sata接口;sata即“Serial ATA”,也就是串行ATA,是主板接口的名称,现在的硬盘和光驱都使用sata接口与主板相连,这个接口的规格目前已经发展到第三代sata3接口。

dc接口是一种为转变输入电压后有效输出固定电压接口的意思;dc接口是由横向插口、纵向插口、绝缘基座、叉形接触弹片、定向键槽组成,两只叉型接触弹片定位在基座中心部位,成纵横向排列互不相连,应用于手机、MP3、数码相机、便携式媒体播放器等产品中。

鼠标插在主机的串口接口、PS/2接口或USB接口上。串行接口是最古老的鼠标接口,是一种9针或25针的D型接口,将鼠标接到电脑主机串口上就能使用。PS/2接口是1987年IBM公司推出的鼠标接口,是一种鼠标和键盘的专用接口,是一种6针的圆型接口。USB接口,是一种高速的通用接口,具有非常高的数据传输率,且支持热插拔。


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