CMOS Configuration Chip

Jumpers

Software

Three Types of Software and What They Do

Functions of BIOS and OS

Firmware or BIOS

Software Layers

Software Layers

How Software Manages and Shares Information

Operating Systems

Functions of Operating Systems

Starting Up the Operating System

Starting Up the Operating System

Interfacing with the Operating System

Command-driven Interface

Menu-driven Interface

Icon-driven Interface

Survey of Operating Systems

Multitasking Environment

Windows 3.x Operating Environment

Comparison of Operating Systems

Well-known Operating Systems

Disk Operating System (DOS)

Disk Operating System (DOS)