| They are the basis for everything you do with your
computer. Operating System includes Window NT 4.0, Window NT, Windows 95/98/00 UNIX, DOS
(Disk Operating System), NetWare, Macintosh System Software, and OS/2. The most favored
operating systems in today’s PC users world embodies MS-DOS, OS/2, Microsoft Windows
95 (Win95) and Windows 98, and the Macintosh System. An operating system (OS) is software
(with program instructions); it is designed to access all your internal hardware and to
puts your computer to work. These program codes that instruct the computer are stored as
data on a diskette or CD-ROM. This is the disk used to download the Operating System in to
your PC. Once the data is downloaded they are then stored into the permanent storage unit
that is available in you PC and they became accessible to the user every time the computer
is turned on. Operating System devices include memory and resource management, I/O
(input/output) services, and file handling. Your Operating System is the one that has the
underlying control on a computer. This System is the one that makes the hardware run. It
also supports the executions of one or more application programs your computer carries.
These Operating Systems are designed to do multiprogramming. Multiprogramming is the
concept that the Operating System uses to enable the Central Processing Unit (CPU) to
process different independent programs concurrently. |
