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OPERATING SYSTEM (FUNCTION (Manage program (single tasking and…
OPERATING SYSTEM
FUNCTION
manage memory
optimizes the use of the computer or device's internal memory
virtual memory (hard drive) functioning as additional RAM
Coordinate tasks
determines the order in which
tasks are processed
(such as printiing queue in one document printing)
Manage program
single tasking and multitasking
foreground and background
single user and multiuser
Monitor performance
assesed and reports information about various computer resources and devices
Start and shut down a computer or mobile devices
Sleep mode
-> saves any open documents and running programs or apps to RAM (random acess memory),places computer in low-power state
Hibernate mode
-> saves any documents and running program and apps to internal hard drives before removing power
Establish an Internet connection
provide a means to
establish Internet connections
Administer security
enables a user to sign in to, or access recources on a network or computer (user name or user ID, identifies a specific computer)
password
Provide file management and other device or media-related tasks
File Manager, Search, Image Viewer, Uninstaller, Disk cleanup, Disk Defragmented, Screen Saver, File Compresser, PC Maintenance, Backup and Restore, Power Management.
Control a network
allow multiple users to share a printer, internet access,files, and programs
admin are allowed to add and remove users, computer and other devices.
Updating operating system software
automatic update features that regularly providesnew features or correction to the program
includes a means to download and install importand updates
configure devices
Operating System is software that allow users to run other applications on a computing device
Example ofAndroid, iOS, Mac OS X, Microsoft Windows and Linux.
:fountain_pen:user interface (UI)
controls how you enter data and infromation
control how information is displayed on screen
:fountain_pen:graphical user interface (GUI)
interact
with menus and visual images
:fountain_pen:command-line interface
types commands- short keywords or abbreviation or special keys to enter data and instrunction