OPERATING SYSTEMSComputer Maintenance

WHAT IS AN OS? The most important

program that runs on a computer.

Manages all the other programs in a computer.

Manages all the hardware resources.

MOST POPULAR OPERATING SYSTEMS

Windows: Most widely used. Mac OS: Only run on Macintosh

computers. Linux: Open-source

WINDOWS XP Released October 25,

2001 Two major versions:

Home and Professional

Recommended Hardware Requirements: Processor: 300MHz RAM: 128MB Hard Drive: 1.5GB

New Features: Faster start-up Remote Desktop User Interface Windows Firewall Windows CD burning Security Center Wireless Connection

WINDOWS VISTA Released January 30,

2007 5 Versions: Home Basic,

Home Premium, Business, Enterprise, & Ultimate

Recommended Hardware Requirements: Processor: 1GHz RAM: 1GB Hard Drive: 40GB DVD-ROM

New Features: Windows Aero

Windows Flip Windows Flip 3D

Internet Explorer 7 Microsoft Defender Windows Search Windows Sidebar Improved security

and safety features

WINDOWS 7 Released October 22,

2009 6 Editions:

Starter Home Basic Home Premium* Professional* Enterprise Ultimate*

System Requirements: 1GHz processor, 1GB RAM for 32-bit 2GB for 64-bit, 20 GB disk space

Features

Snap Peek Shake Live Taskbar Previews HomeGroup Windows Search Jump Lists Libraries Desktop slide show

SNAP

PEEK

LIVE TASKBAR PREVIEWS

JUMP LISTS

LIBRARIES

HOMEGROUPS

WINDOWS 8 Released October 26,

2012 4 Editions:

Windows 8 Windows 8 Pro Windows 8 Enterprise Windows RT

System Requirements: 1GHz processor, 1GB RAM for 32-bit 2GB for 64-bit, 20 GB disk space

Features

Metro design (tiles) Charms Lock screen Native USB 3.0 support Microsoft account integration Windows Store Built-In Antivirus Search Function Windows To Go

WINDOWS 10 Released July 29, 2015 4 Editions:

Home Professional Enterprise Education

Windows 10 Mobile Free Upgrade

(Win7&8.1) System Requirements:

Same as Windows 8

Features Start Menu Cortana Microsoft Edge All-in-One Store Virtual Desktops Action Center Continuum