Date post: | 01-Nov-2014 |
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OPERATING SYSTEMS
Computer 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 98
Released June 25, 1998
Windows 98SE – Released May 1999
Recommended Hardware Requirements: Processor: 486DX
66MHz or faster (Pentium)
RAM: 24MB Hard Drive: 500MB
New Features: Improved driver
support Improved PnP
support Internet Explorer 5 Customizable
Taskbar Active Desktop
Windows 2000
Released February 17, 2000
Four versions: Professional, Server, Advanced Server, & Datacenter Server
Recommended Hardware Requirements: Processor: 133MHz or
higher (Pentium) RAM: 64MB Hard Drive: 2GB
New Features: Support for many
devices Widows File
Protection Encrypting File
System Accessibility System File
Checker Recovery Console
Windows Me
Released September 14, 2000
Recommended Hardware Requirements: Processor: 300MHz
(150MHz) RAM: 64MB (32MB) Hard Drive: 2GB
(320MB)
New Features System Restore System File
Protection Windows Image
Acquisition Windows Movie
Maker Windows Media
Player 7
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