Unit 4 The Fundamentals of Computer HardwareText 1 Organization of Computer System ComponentsExercis 1. Fill in the blanks with appropriate words according to the text.（根据课文内容填空）(1
Chapter 8 – Virtual MemoryTrue / Fal Questions:1. T / F – In a system employing a memory management strategy that doesn’t require an entire process to be in main memory at one time, the portion of a
javavolatile关键字作⽤及使⽤场景详解1. volatile关键字的作⽤：保证了变量的可见性（visibility）。被volatile关键字修饰的变量，如果值发⽣了变更，其他线程⽴马可见，避免出现脏读的现象。如以下代码⽚段，isShutDown被置为true后，doWork⽅法仍有执⾏。如⽤volatile修饰isShutDown变量，可避免此问题。public class Volat
Unit 4 The Fundamentals of Computer HardwareText 1 Organization of Computer System ComponentsExercis 1. Fill in the blanks with appropriate words according to the text.（根据课文内容填空）(1
Chapter 8 – Virtual MemoryTrue / Fal Questions:1. 河南故事T / F – In a system employing a memory management strategy that doesn’t require an entire process to be in main memory at one time, the portion
DMA Direct Memory Access（存储器直接访问）。这是指一种高速的数据传输操作，允许在外部设备和存储器之间直接读写数据，既不通过CPU，也不需要CPU干预。整个数据传输操作在一个称为"DMA控制器"的控制下进行的。CPU知汝远来应有意除了在数据传输开始和结束时做一点处理外，在传输过程中CPU可以进行其他的工作。这样，在大部分时间里，能量的英文CPU和输入输出都处于并行操作。因此，
