计算机专业英语PPT课件In this chapter, we examine the organization of basic computer system. A simple computer has three primary subsystems. The central processing unit, or CPU, performs many operations and controls the computer. A microprocessor usually serv
Java线程具有五中基本状态
新建状态(New):当线程对象对创建后,即进入了新建状态,如:Thread t = new MyThread();
就绪状态(Runnable):当调用线程对象的start()方法(t.start();),线程即进入就绪状态。处于就绪状态的线程,只是说明此线程已经做好了准备,随时等待CPU调度执行,并不是说执行了t.start()此线程立即就会执行;
运行状态(Running):当CPU开始调度处于就绪状态的线程时,此时线程才得以真正执行,即进入到运行状态。注