Chapter nine quiz two

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Linux

A popular, multitasking UNIX-based operating system that runs on a variety of personal computers, servers, and devices.

password

A private combination of characters associated with the user name that allows access to certain computer, mobile device, or network resources.

performance monitor

A program that assesses and reports information about various computer resources and devices.

operating system (OS)

A set of programs that coordinates all the activities among computer or mobile device hardware.

screen saver

A tool that causes a display device's screen to show a moving image or blank screen if no keyboard or mouse activity occurs for a specified time.

multitasking

An operating system that allows two or more programs or apps to reside in memory at the same time.

Safari

Apple's browser.

Macintosh operating system (MAC OS)

Apple's operating system.

Live CD

CD that can be used to start the computer.

mobile device management (MDM)

Company policy that outlines and educates employees about safe mobile device use.

PC

Computer that can perform all of its input, processing, output, and storage activities by itself and is intended to be used by one person at a time.

queue

Group of files waiting in the buffer to be printed.

memory resident

Instructions that remain in memory while the computer or mobile device is running.

nonresident

Instructions that remain on a storage medium until they are needed, at which time they transfer into memory (RAM).

OS X

Latest version of Apple's operating system.

OneDrive

Microsoft's cloud server.

multiuser

Operating system that enables two or more users to run programs simultaneously.

real-time operating system (RTOS)

Operating system used by an embedded computer.

multipurpose operating systems

Operating systems that can function as both desktop and server operating systems.

iOS

Proprietary mobile operating system specifically made for Apple's mobile devices.

permissions

Settings used to define who can access certain resources and when they can access those resources.

open source software

Software provided for use, modification, and redistribution and has no restrictions from the copyright holder regarding modification of the software's internal instructions and its redistribution.

proprietary software

Software that is privately owned and limited to a specific vendor or computer or device model.

iTunes Store

Store that provides access to music, books, podcasts, ringtones, and movies.

paging

Technique of swapping items between memory and storage.

Plug and Play

Technology that gives a computer the capability to recognize peripheral devices as you install them.

platform

Term used to refer to the operating system that a computer uses, because applications are said to run "on top of" it, or because the it supports the applications.

page

The amount of data and program instructions that can swap at a given time.

kernel

The core of an operating system that manages memory and devices, maintains the internal clock, runs programs, and assigns the resources, such as devices, programs, apps, data, and information.

mobile operating system

The operating system on mobile devices and many consumer electronics.

network administrator

The person overseeing network operations.

recovery media

Tool that uses logs and/or backups, and either a rollforward or a rollback technique, to restore a database when it becomes damaged or destroyed.

Live USB

USB flash drive that can be used to start the computer.

natural user interface (NUI)

User interface with which users interact with the software through ordinary, intuitive behavior.

partitioning

Dividing a hard drive in separate logical storage areas (partitions) that appear as distinct drives.


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