Module 9 Operating Systems
Virtual Memory
Space on a hard disk or other storage device that simulates random access memory.
Command Line Interface (CLI)
The user types commands at a prompt.
User Interface (UI)
controls how you enter data and instructions and how information is displayed on the screen.
iOS
developed by Apple, is a proprietary mobile operating system specifically made for Apple's mobile devices.
Windows (Mobile Edition)
developed by Microsoft, a proprietary mobile operating system that runs on some smartphones.
server operating system
A multiuser operating system that organizes and coordinates how multiple users access and share resources on a network.
password
A private combination of letters, numbers, and special characters associated with the user name that allows access to a user's account resources.
device-dependent
A program that runs only on a specific type or make of computer or mobile device.
Graphical User Interface (GUI)
A visual display on a computer's screen that allows you to interact with your computer more easily by clicking graphical elements.
mobile operating system
An operating system designed to be used with mobile phones and other mobile devices.
Chrome OS
Google's Linux-based operating system designed to work primarily with web apps.
touch user interface
Graphical user interface designed for touch input.
network administrator
Individual responsible for maintaining and running a network.
Open Source Software (OSS)
Software that is free and where anyone can look at and potentially modify the code.
UNIX
Operating system developed by AT&T. It is considered portable, meaning it can run on just about any hardware platform.
cold boot
Process of turning on a computer that has been powered off completely.
Buffer
Segment of memory or storage in which items are placed while waiting to be transferred from an input device or to an output device.
boot drive
The drive from which your personal computer starts.
warm boot
The process of restarting the system while it's powered on.
sign in
To access resources on a network or computer.
natural user interface (NUI)
User interface with which users interact with the software through ordinary, intuitive behavior.
desktop operating system
a complete operating system that works on desktops, laptops, and some tablets. Sometimes called a stand-alone operating system.
Linux
a free open-source kernel used in many of today's operating systems.
Performance Monitor
a program that assesses and reports information about various computer resources and devices
Operating System (OS)
a set of programs that coordinate all the activities among computer or mobile device hardware.
user name (user ID)
a unique combination of characters, such as letters of the alphabet or numbers, that identifies one specific user.
automatic update
automatically provides new features or corrections to the program.
forward Compatible
it may or may not run on newer versions of an operating system.
queue
multiple documents line up in a specific order, i.e. printer jobs.
macOS
multitasking operating system available for computers manufactured by Apple.
andriod
open-source, Linux-based mobile operating system designed by Google for tablets and smartphones.
hibernate mode
power state in which data from RAM is saved to the hard disk and then power is shut down.
proprietary software
privately owned and limited to a specific vendor or computer or device model.
sleep mode
saves any open documents and programs to RAM, turns off all unneeded functions, and then places the computer in a low-power state.
Spooling
sends documents to be printed to a buffer instead of sending them immediately to the printer.
driver
short for device driver, is a small program that tells the operating system how to communicate with a specific device.
backward compatible
software feature that enables documents saved in an older version of a program to be opened in a newer version of the program.
platform
what operating systems are sometimes called because applications are said to run "on top of" it.
