Chapter 6 System Software Why the Box Works

Chapter 6 System Software Why the Box Works - 7/28/2009...

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

View Full Document Right Arrow Icon
7/28/2009 1 Black & White Busines Computing 2010 Chapter 6 System Software: Why the Box Works Computer Information Systems 105 System Software: Why the Box Works System Software System software , often called firmware , is software that manages and controls the physical hardware of a computer so that application software can work. Application software are the programs that help an end user do a particular task. Arizona State University W. P. Carey School of Busines Computer Applications & Information Technology Starting the Computer When a computer is turned on, it immediately starts loading system software to eventually provide the essential operating system, or platform. Every time a computer is powered up, it needs to know what resources it has to work with, like programming files , expansion cards , and amount of random access memory . Black & White Busines Computing 2010 Chapter 6 System Software: Why the Box Works Computer Information Systems 105 System Software: Why the Box Works Starting the Computer Loading the platform into the computer’s memory is called booting . Powering up a computer on for the first time is called a cold boot , and a computer that is restarted while it was already running is called a warm boot . Arizona State University W. P. Carey School of Busines Computer Applications & Information Technology When electricity courses through the circuits of a personal computer that has just been powered up, the first thing that happens is that system searches for the basic input/output system ( BIOS ). BIOS is firmware programming embedded in to a computer chip, meaning the computer runs the same program every time it’s turned on. Black & White Busines Computing 2010 Chapter 6 System Software: Why the Box Works Computer Information Systems 105 System Software: Why the Box Works Starting the Computer On a typical business computer, once the BIOS locates a hard drive, it is able to execute instructions and programming that loads the operating system . The operating system in turn takes control and configures the computer’s hardware to settings stored in a database called the registry . Once the hardware settings are determined, the i ld ili i lik i i Arizona State University W. P. Carey School of Busines Computer Applications & Information Technology operating system loads system utilities , like virus protection programs. In business, it is extremely important that the operating system authenticates a user to determine if they are the computer’s appropriate user. The business computer authenticates users by requiring them to login and load the user’s profile.
Background image of page 1

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

View Full DocumentRight Arrow Icon
7/28/2009 2 Black & White Busines Computing 2010 Chapter 6 System Software: Why the Box Works Computer Information Systems 105 System Software: Why the Box Works
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.

Page1 / 5

Chapter 6 System Software Why the Box Works - 7/28/2009...

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