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1、Chapter 4,Operating Systems and File Management,Chapter 4: Operating Systems and File Management,2,Chapter Contents,Section A: Operating System Basics Section B: Todays Operating Systems Section C: File Basics Section D: File Management Section E: Backup Security,FastPoll True/False Questions Answer
2、 A for True and B for False,040100 An operating system manages a computers resources such as the processor, RAM, and storage space. 040200 Multithreading provides process and memory management services that allow two or more tasks, jobs, or programs to run simultaneously. 040300 GUI stands for “grap
3、hic usability icons.” 040400 A bootstrap program is a popular type of application software. 040500 During a computing session, the operating system is executed from RAM.,Chapter 4: Operating Systems and File Management,3,FastPoll True/False Questions Answer A for True and B for False,040600 The Wind
4、ows kernel is the same as the Mac OS kernel. 040700 Macs featured a graphical user interface before PCs. 040800 Boot Camp is a dual boot utility for Macs. 040900 Mac files have a data fork and a resource fork. 041000 Fedora, Mandrivia, and SUSE are Linux distributions. 041100 A disk partition is bas
5、ically a folder.,Chapter 4: Operating Systems and File Management,4,FastPoll True/False Questions Answer A for True and B for False,041200 A file specification is also called a path. 041300 Windows Explorer is a file management utility. 041400 Disks are formatted into tracks and sectors. 041500 Time
6、 Machine is synchronization software used for backup on Macs. 041600 To repopulate a new hard disk from an incremental backup, you have to first restore a full backup. 041700 A boot disk contains a complete copy of your computers hard disk as it existed when the computer was new.,Chapter 4: Operatin
7、g Systems and File Management,5,Chapter 4: Operating Systems and File Management,6,Operating System Basics,Operating System Activities User Interfaces The Boot Process,Question,042100 A computer handles many tasks simultaneously. Which one of the following refers to the processors ability to handle
8、multiple tasks, rather than the operating systems ability to do so? A. Multi-core B. Multitasking C. Multithreading D. Multiprocessing,Chapter 4: Operating Systems and File Management,7,Chapter 4: Operating Systems and File Management,8,Operating System Activities,An operating system is a type of sy
9、stem software that acts as the master controller for all activities that take place within a computer system,Chapter 4: Operating Systems and File Management,9,Operating System Activities,Chapter 4: Operating Systems and File Management,10,Operating System Activities,Multitasking provides process an
10、d memory management services that allow two or more tasks, jobs, or programs to run simultaneously Within a single program, multithreading allows multiple parts, or threads, to run simultaneously An operating systems multiprocessing capability supports a division of labor among all the processing un
11、its,Chapter 4: Operating Systems and File Management,11,Operating System Activities,Operating System Categories Single-user operating system Multiuser operating system Server operating system Desktop operating system,Chapter 4: Operating Systems and File Management,12,User Interfaces,The combination
12、 of hardware and software that helps people and computers communicate with each other,Chapter 4: Operating Systems and File Management,13,User Interfaces,Menus, submenus, and dialog boxes,Chapter 4: Operating Systems and File Management,14,The Boot Process,During the boot process, the operating syst
13、em kernel is loaded into RAM The kernel provides essential operating system services Your computers small bootstrap program is built into special ROM circuitry housed in the computers system unit,The Boot Process,Chapter 4: Operating Systems and File Management,15,Chapter 4: Operating Systems and Fi
14、le Management,16,Todays Operating Systems,Microsoft Windows Mac OS UNIX and Linux DOS Handheld Operating Systems,Question,042200 Todays popular operating systems include Windows, Mac OS, Linux, Android, and Google Chrome. Each has strengths and weaknesses that are important to understand. Which of t
15、he following statements is correct? A. Google Chrome is built on the Windows kernel, so it is ideal for netbooks because it has good resistance to malware. B. If you dont like the user interface for Windows but want to run the vast variety of Windows software, you can install Linux. C. Linux and Mac
16、 OS have a reputation for being more stable than Windows. D. Windows includes software called Boot Camp that allows PCs to boot into different operating systems, such as Mac OS, Linux, Chrome, and Android.,Chapter 4: Operating Systems and File Management,17,Microsoft Windows,Chapter 4: Operating Systems and File Management,18,Chapter 4: Operating Systems and File Management,19,Mac OS,You can tell when youre using Mac OS by the Apple logo that appears on the menu bar. The Mac OS X i
