《实战整合营销学》完整讲稿英文版(ppt 55页)

Computer Operating Systems
Words before the Course:
Computer System Overview
Operating System
Basic Elements
Top-Level Components
Processor Registers
User-Visible Registers
Control and Status Registers
Instruction Execution
Instruction Cycle
Instruction Fetch and Execute
Instruction Register
Characteristics of a Hypothetical Machine
Example of Program Execution
Direct Memory Access (DMA)
Interrupts
Classes of Interrupts
Program Flow of Control Without Interrupts
Program Flow of Control With Interrupts, Short I/O Wait
Program Flow of Control With Interrupts; Long I/O Wait
Interrupt Handler
Interrupt Cycle
Timing Diagram Based on Short I/O Wait
Simple Interrupt Processing
Changes in Memory and Registers for an Interrupt
Multiple Interrupts
Multiprogramming
Memory Hierarchy
Going Down the Hierarchy
Secondary Memory
Disk Cache
Cache Memory
Cache/Main Memory System
Cache Read Operation
Cache Design
Programmed I/O
Interrupt-Driven I/O
Direct Memory Access

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