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25 terms

Westy HS - A+ - Operating Systems

STUDY
PLAY
application software
software designed for a specific purpose such as word processing, database creation, producing graphics, entertainment
booting
the process of starting the computer and loading the operating system
bootstrap program
a short program that loads some basic files into memory, then turns the startup operation over to the operating system
bugs
errors in programming code
cabinet (.cab) files
compressed files that contain the operating system hardware
cold boot
turning on the computer at the power switch
configure
set up a computer for use with specific hardware or software
cooperative multitasking
one program dominates the operating system but allows another program to run while the primary program is idle (MacIntosh and Windows 3.x)
directory
a file used to group other files together in a hierarchical file structure. Analogous to a file folder in a paper filing system
drivers
software that enables proper communication between the PC and peripheral devices
extensions
the second part of a filename. typically three letters, that tell the OS the function of the file
file
a collection of data that forms a single unit
file allocation table (FAT)
a table used by the operating system to recall the locations of files and bad sectors on the disk
graphical user interface (GUI)
OS interface that allows user to perform functions by selecting on-screen icons rather than issuing text-line commands
kernel
the core of an operating system
multitasking
running two or more programs at the same time
operating system (OS)
Software that provides the user with a file system structure and allows the user to communicate with the computer system's hardware
pathname
a string of characters used to identify a file's location in a directory structure
Plug and Play (PnP)
a BIOS function that enables the automatic detection and configuration of new hardware components. Also the automatic assignment of system resources such as DMA channels, interrupts, memory, and port assignments
POST (Power On Self Test)
a routine check of the computer's hardware that executes every time the computer is turned on
preemptive multitasking
multiple programs sharing control of the operating system (time-slicing)
registry
a database that stores configuration information about hardware, software, and users
root directory
the directory at the top of the file structure hierarchy. analogous to a cabinet drawer in a traditional, paper filing system
warm boot
using the reset button or key combination (ctrl-alt-del) to restart a computer that is already running
Windows System Disk
a disk containing all the files necessary to start the PC and load the operating system