39 terms

Chapter 5 - System Software: Operating Systems and Utility Programs

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Terms in this set (...)

System software
Programs, such as the operating system, that control the operation of a computer and its devices, as well as enable application software to run on the computer.
Application software
Programs that enable users to perform specific tasks on a computer, such as writing a letter or playing a game.
Operating system
The main component of system software that enable the computer to manage its activities and the resources under its control, run application programs, and interface with the user.
Kernel
The essential portion, or core, of an operating system.
Device driver
A program that enables an operating system to communicate with a specific hardware device; often deferred to simply as a driver.
Multitasking
The capability of an operating system to run more than one program at one time.
Virtual memory
A memory-management technique that uses hard drive space as additional RAM.
Buffer
An area in RAM or on the hard drive designated to hold input and output on their way in and out of the system.
Spooling
The process of placing items in a buffer so the appropriate device (such as a printer) can retrieve them when needed.
Graphical user interface (GUI)
A graphically based interface that allows a user to communicate instructions to the computer easily.
Command line interface
A user interface that requires the user to communicate instructions to the computer via typed commands.
Personal operating system
A type of operating system designed to be installed on a single personal computer.
Server operating system
A type of operating system designed to be installed on a network server.
Mobile operating system
A type of operating system used with mobile phonies and other mobile devices.
Embedded operating system
A type of operating system embedded into devices, such as cars and consumer devices.
DOS (Disk Operating System)
The operating system designed for and widely used on early IBM and IBM-compatible PCs
Windows
The primary personal computer operating system developed by Microsoft Corporation; the most recent version is Windows 7.
Windows 7
The current version of Windows.
Windows Server
The version of Windows designed for server use; the current version is Windows Server 2008 R2.
Mac OS
The operating system used on Apple computers; the most recent version is Mac OS X Snow Leopard.
Mac OS X
The current version of Mac OS.
Mac OS X Server
The version of Mac OS X designed for server use.
UNIX
An operating system developed in the late 1960s for midrange servers and mainframes; many variations of this operating system are in use today.
Linux
An open source operating system that is available without charge over the Internet and is increasingly being used with mobile devices, personal computers, servers, mainframes, and supercomputers.
Windows Mobile
The version of Windows designed for mobile phones
Windows Embedded
A family of operating systems based on Windows that is designed for non personal computer devices, such as cash registers and consumer electronic devices.
Android
A Linux-based operating system designed for mobile phones and developed by a group of companies that includes Google.
iPhone OS
The operating system designed for Apple mobile phones and mobile devices.
BlackBerry OS
The operating system designed for BlackBerry devices.
Palm OS
The original operating system designed for Palm devices.
Palm webOS
The newest operating system designed for Palm devices.
Symbian OS
An operating system widely used with mobile phones; primarily used outside North America.
Embedded Linux
A version of Linux designed for mobile devices.
Utility program
A tie of software that performs a specific task, usually related to managing or maintaining the computer system.
File management program
A utility program that enables the user to perform file management tasks, such as copying and deleting files.
Windows Explorer
The file management program built into the Windows operating systems.
Search tool
A utility program designed to search for files on the user's hard drive.
File compression program
A program t hat reduces the size of files, typically to be stored or transmitted more efficiently.
Backup
A duplicate copy of data or other computer content in case the original version is destroyed.