We shall begin our consideration of operating systems by asking the following questions: (1) What is an operating system? (2) Why are operating systems needed? (3) Do situations exist when they are not needed? (4) How would an operating system be designed? The first part of this book ...
《Operating System Concepts》学习第 5 天,p17-p25 总结,总计 9 页。 一、技术总结 1.计算机系统的组成结构 (1)CPU—The hardware that executes instructions. (2)Processor—A physical chip that contains one or more CPUs. (3)Core—The basic computation unit of the CPU. (4)Multicore—Including ...
Basic Operating System Concepts - UAH
《Operating System Concepts》学习第 17 天,p162-p176 总结,总计 15 页。 一、技术总结 1.thread (1)定义 A thread is a basic unit of CPU utilization; it comprises a thread ID, a program counter (PC), a register set, and a stack. A process control structure that is an execution ...
《Operating System Concepts》阅读笔记:p491-p494 《Operating System Concepts》学习第 43 天,p491-p494 总结,总计 4 页。 一、技术总结 1.controller A controller is a collection of electronics that can operate a port, a bus, or a device....
《Operating System Concepts》学习第 5 天,p17-p25 总结,总计 9 页。 一、技术总结 1.计算机系统的组成结构 (1)CPU—The hardware that executes instructions. (2)Processor—A physical chip that contains one or more CPUs. (3)Core—The basic computation unit of the CPU. ...
《Operating System Concepts》学习第 14 天,p125-p146 总结,总计 20 页。 一、技术总结 1.IPC(Interprocesses Comunicating) (1) shared memory (2)message passing 2.primitive (1)语言中的 primitive primitive: primus("first", 参考 prime) + -itive(a suffix that forms adjectives, indicating the cha...
《Operating System Concepts》学习第 17 天,p162-p176 总结,总计 15 页。 一、技术总结 1.thread (1)定义 A thread is a basic unit of CPU utilization; it comprises a thread ID, a program counter (PC), a register set, and a stack. ...
《Operating System Concepts》学习第 14 天,p125-p146 总结,总计 20 页。 一、技术总结 1.IPC(Interprocesses Comunicating) (1) shared memory (2)message passing 2.primitive (1)语言中的 primitive primitive: primus("first", 参考 prime) + -itive(a suffix that forms adjectives, indicating the ...
操作系统是管理计算机硬件的程序，它还为应用程序提供基础，并且充当计算机硬件和计算机用户的中介。操作系统的两大目标：执行用户程序，并且更易于解决用户问题；更便于使用计算机系统；以一种有效的方式保用计算机硬件 2 计算机系统组成部分 Hardware–providesbasiccomputingresources(CPU,memory,I/Odevices)OperatingSystem－...