在如下所示的进程资源图中,( )。
正确选项为C。图中R1资源只有2个,P2进程申请该资源得不到满足,故P2进程是阻塞节点;R2资源只有3个,为P1、P2、P3各分配一个,P1再申请该资源得不到满足,故P1进程也是阻塞节点;R3资源只有2个,分配1个给P2进程,还有1个可用,P3申请该资源可以得到满足,故P3是非阻塞节点。
( )is the process of transforming information so it is unintelligible to anyone but the intended recipient.
As each application module is completed,it undergoes( )to ensure that it operates correctly and reliably.
( )algorithm specifies the way to arrange data in a particular order.
After analyzing the source code,( )generates machine instructions that will carry out the meaning of the program at a later time.
( )can help organizations to better understand the information contained within the data and will also help identify the data that is most important to the business and future business decisions.
浏览器开启无痕浏览模式后,( )依然会被保存下来。
下列协议中,不属于TCP/IP协议簇的是( )。
下列传输介质中,带宽最宽、抗干扰能力最强的是( )。
数控编程常需要用参数来描述需要加工的零件的图形。在平面坐标系内,确定一个点需要2个独立的参数,确定一个正方形需要( )个独立的参数。
某书的页码为1,2,3,...,共用数字900个(一个多位数页码包含多个数字),据此可以推断,该书最大的页码为( )。