Chapter08 - Chapter 8 Operating Systems and Utility...

Info iconThis preview shows pages 1–10. Sign up to view the full content.

View Full Document Right Arrow Icon
Chapter 8  Operating  Systems and  Utility Programs
Background image of page 1

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

View Full DocumentRight Arrow Icon
Chapter 8 Objectives Identify the types of system software Summarize the startup process on a personal computer Discuss ways that some operating systems help administrators control a network and administer security Explain the purpose of the utilities included with most operating systems Summarize the features of several stand-alone operating systems Identify various network operating systems Identify devices that use several embedded operating systems Explain the purpose of several stand-alone utility programs Next Describe the functions of an operating system
Background image of page 2
System Software What is system software ? Next p. 392 Operating system (OS) Operating system (OS) (sometimes called the (sometimes called the platform platform ) ) coordinates all activities coordinates all activities among computer among computer hardware hardware resources resources Programs that Programs that control operation control operation of computer of computer Two types are Two types are operating systems operating systems and utility programs and utility programs Click to view animation
Background image of page 3

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

View Full DocumentRight Arrow Icon
Operating Systems What are the functions of an operating system ? Next p. 392 Fig. 8-1 monitor performance provide a user interface provide file management and other utilities establish an Internet connection control a network administer security start the computer manage programs schedule jobs and configure devices manage memory
Background image of page 4
Operating Systems What is a cross-platform application? Next p. 393 Operating System/ Platform A Operating System/ Platform B Operating System/ Platform C Operating System/ Platform D Application Runs identically on multiple operating systems Operating system that computer uses is sometimes called the platform
Background image of page 5

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

View Full DocumentRight Arrow Icon
Operating System Functions What is booting ? Next p. 394 Fig. 8-2 Cold boot Turning on computer that has been powered off Warm boot Restarting computer that is powered on Warm boot from Windows desktop Warm boot from system unit Process of starting or restarting a computer
Background image of page 6
Operating System Functions What messages display on the screen when you boot the computer? Next p. 394 Fig. 8-3
Background image of page 7

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

View Full DocumentRight Arrow Icon
Operating System Functions How does a personal computer boot up? Next p. 395 Fig. 8-4 Step 1. Power supply sends signal to com- ponents in system unit Step 4. Results of POST are compared with data in CMOS chip Step 2. Processor accesses BIOS to start computer Step 3. BIOS runs tests, called the POST , to check components such as mouse, keyboard, and adapter cards Step 5. BIOS looks for system files in floppy disk drive or CD/DVD drive, and then hard disk Step 6. Kernel (core) of operating system loads into RAM Step 7. Operating system loads configuration information and displays desktop on screen Click to view Web Link, click Chapter 8, Click Web Link from left navigation, then click BIOS below Chapter 8
Background image of page 8
Operating System Functions What is a recovery disk ? Next
Background image of page 9

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

View Full DocumentRight Arrow Icon
Image of page 10
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 06/21/2009 for the course CHEM 130 taught by Professor Kia during the Spring '09 term at Abraham Baldwin Agricultural College.

Page1 / 48

Chapter08 - Chapter 8 Operating Systems and Utility...

This preview shows document pages 1 - 10. Sign up to view the full document.

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