PPT-Smartphone Operating Systems

Hwajung Lee Key Reference Prof Jong Moon Chungs Lecture Notes at Yonsei University iPhone Evolution iOS Evolution iO S E v olutio n iO S E v olutio n i OS Steve. 1. 11. I/O Systems. 11.1 Basic Issues in Device Management. 11.2 A Hierarchical Model. 11.3 I/O Devices. 11.4 Device Drivers. Memory-Mapped . vs. Explicit Device Interfaces . Programmed I/O with Polling . 1. 10. File Systems. 10.1 Basic Functions of File Management. 10.2 Hierarchical Model of a File System . 10.3 User’s View of Files. Logical File Organization. Operations on Files. 10.4 . File Directories. Principles and Practice. Tom Anderson. How This Course Fits in the UW CSE Curriculum. CSE 333: Systems Programming. Project experience in C/C++. How to use the operating system interface. CSE 451: Operating Systems. 1. 4. The OS Kernel. 4.1 Kernel Definitions and Objects. 4.2 Queue Structures. 4.3 Threads. 4.4 Implementing Processes and Threads. Process and Thread Descriptors. Implementing the Operations. 4.5 Implementing Synchronization and Communication Mechanisms. 1. 6. Deadlocks. 6.1 Deadlocks with Reusable and Consumable. . Resources. 6.2 Approaches to the Deadlock Problem . 6.3 A System Model . Resource Graphs . State Transitions. Deadlock States and Safe States . By Omar Ibarra. We use our smartphones for almost everything!. Our Society as a whole depends too much on our handheld devices.. Average Time Spent On Smartphone. We tend to spend way too much time on our handheld devices that we miss out on a lot of things like:. 1. 8. Virtual Memory. 8.1 Principles of Virtual Memory . 8.2 Implementations of Virtual Memory . Paging. Segmentation. Paging With Segmentation. Paging of System Tables. Translation Look-aside Buffers . . Source: Nielsen . Total Audience Report 3Q15. Absolute Change in # of Viewers P2+/Monthly. -17,056,000. +7,238,000. Computer Video. Smartphone Video. Seventh Edition. Chapter 1. Introducing Operating Systems. Understanding Operating Systems, 7e. What . I. s. an Operating System?. Computer system. Software (programs). Hardware (tangible machine/electronic components). Real Time OS. Batch OS. Time Sharing OS. Why do we have different Operating Systems . Common types of Operating Systems . The Operating System . The OS is responsible for all the functions of hardware and also software. Seventh Edition. Chapter . 2. Memory . Management: . Simple Systems. Understanding Operating Systems, 7e. 2. Learning Objectives. After completing this chapter, you should be able to describe:. The basic functionality of the four memory allocation schemes presented in . Seventh Edition. Chapter . 2. Memory . Management: . Simple Systems. Understanding Operating Systems, 7e. 2. Learning Objectives. After completing this chapter, you should be able to describe:. The basic functionality of the four memory allocation schemes presented in . and . Best Practices. www.tcsforensics.ca. Overview. The Rise of . Smartphones. Introduction to Smartphone Forensics. Smartphone Security . - Threats. - Live DEMO. - Best Practices and Recommendations. Operating systems (OS) can help computer users do many things, like managing and manipulating files and folders.. Operating systems also provide users the ability to control hardware components of a computer and its peripheral devices, like printers and scanners..