ONLINE ANALYTICAL PROCESSING

•It may involve the use of specialized servers and multidimensional databases.

•Fast answers to complex queries posed by managers and analysts using management, decision support, and executive information systems.

SOFTWARE PIRACY

Copyright

  A copyright provides its holder the right to restrict unauthorized copying and reproduction of an original expression (i.e. literary work, movie, music, painting, software, mask work, etc.)

Shareware

  Shareware (Try before you buy) is a marketing method, not a type of software.

Public Domain

  Information in the public domain is open for free use by the public, so public.

  A term which is often used to refer to computer software for which the author   has released rights to the general public.

Multi User's

Multi-User Operating System

A multi-user Operating System allows for multiple users to use the same computer at the same time and/or different times.  

Linux

UNIX

Windows 2000

Multi-Multi Processing Operating System

An Operating System capable of supporting and utilizing more than one computer processor. Below are some examples of multiprocessing Operating Systems.

         Linux

         UNIX

         Windows 2000

Multi-Tasking Operating System

An Operating systems that is capable of allowing multiple software processes to be run at the same time. Below are some examples of multitasking Operating Systems.

         UNIX

         Windows 2000

Operating System Types

• • The winner in the PC market  was MS-DOS, Microsoft's Disk Operating System,
    
  • Windows 95 and Windows 98 are actual operating systems on their own.
    
    
  •  Windows Me (Windows Millennium Edition) is an upgrade of Windows 98.
    
    • Windows 2000 is an upgrade of Windows NT rather than of Windows 98.
    
    
    • Windows XP is an upgrade to Windows 2000. It comes in two versions - Home and Professional.
    
    
    • Windows CE is for small devices like palmtop and handheld computers.
  
  

Operating System Hireachy

What is an Operating System

• • It is a core software component of your computer.
  • To provide link between user & interface.
  • It controls all hardware of a computer.
  • It also admit the Peripheral devices.
  • Capable to attend PnP devices.