Chapter 4 - I. Chapter 4 Operating Systems and File...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
I. Chapter 4 – Operating Systems and File Management A. Operating System Basics 1. Operating System Activities a) An operating system is a type of system software that acts as the master controller for all activities that take place within a computer system. b) Multitasking provides process and memory management services that allow two or more tasks, jobs, or programs to run simultaneously. c) Within a single program, multithreading allows multiple parts, or threads, to run simultaneously. d) An operating system’s multiprocessing capability supports a division of labor among all the processing units. 2. Operating System Categories a) Single-user operation System b) Multiuser operating system c) Network operating system d) Desktop operating system 3. User Interfaces a) The combination of hardware and software that helps people and computers communicate with each other. b) Menus, submenus, and dialog boxes 4. The Boot Process a) During the boot process, the operating system kernel is loaded into RAM (1) The kernel provides essential operating system services b) Your computer’s small bootstrap program is built into special ROM circuitry housed in the computer’s system unit. B. Today’s Operating Systems 1 Chapter 4
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
1. Microsoft Windows a) Microsoft Windows XP and Windows Vista use similar GUI controls, although the appearance of icons and other graphical elements is slightly different. 2. Mac OS a) You can tell when you’re using Mac OS by the Apple logo that appears on the menu bar. The Mac OS X interface includes all the standard elements of a CUI, including icons, menus, windows, and taskbars. b) On a Macintosh computer with Boot Camp, you can boot into Mac OS X or into Windows XP. c) Mac OS X on an Intel Mac offers the ability to run Windows and Windows application software in addition to software designed for the Macintosh. (1) Dual Boot 3. Unix and Linux a) Several Web sites offer a Linux distribution, which is a package that contains the Linux kernel, system utilities, applications, and an installation routine. b)
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 08/30/2011 for the course CGS 2100C taught by Professor Abadallah during the Spring '08 term at University of Central Florida.

Page1 / 7

Chapter 4 - I. Chapter 4 Operating Systems and File...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online