it is a presentation which clears the concept of operating system. it is a educational presentation.

2. Hardware`
Operating
systems
Programing
language
Aplication programe

4.  User/aplication programs
Programs used hy the users to perform
a task
 system program
an interface between user and computer
 Driver programs
communicate I/O devices with computer

5. COMPUTER
HARDWARE
OPERATING
SYSTEM
ELECTRONIC
SPREADSHEET
COMPUTER
GAME
TEXT
EDITOR
DATABASE
SYSTEM
USER-1 USER-2 USER-3 USER-N

7.  A COLLECTION OF PROGRAM WHICH
CONTROL THE RESOURCES OF A
COMPUTER SYSTEM
 WRITTEN IN LOW-LEVEL LANGUAGES.
 AN INTERFACE BETWEEN THE USERS
AND HARDWARE.
 WHEN THE COMPUTER IS ON, OS WILL
FIRST LOAD INTO THE MAIN MEMORY.

8. OPERATING SYSTEM
DECICE CONFIGURATION
FILE
MANAGEMENT
MEMORY
MANAGEMENT
INTERFACE
PLATFORM

9.  BEST USE OF THE COMPUTER RESOURSES
 PROVIDE A BACKGROUND FOR USER,S
PROGRAME TO EXECUTE.
 DIOSPLAY AND DEAL WITH ERRORS
 CONTROL THE SELECTION AND OPERATION
OF THE PEIPHERALS
 ACT AS A COMMUNICATION LINK BETWEEN
USERS.
 SYSTEM PROTECTION.

10. COMMON OPERATING SYSTEMS
AND DIFFERENCES.

11.  WINDOW. Used in ibm compatible
microcomputers
 UNIX. Multi-user, multi-tasking OS
used in minicomputers and
microcomputers
 VAC/VMS. Used in DEC’s VAX SERIES
of minicomputers.

14. 3 PARTS-:
BOOT/BOOT RECORD
FAT (FILE ALL LOCATION TABLE)
ROOT DIRECTORY

16.  BACH PROCESSING
 REAL TIME PROCESSING
 TIME SHARING PROCESSING

17. .

18. REAL TIME PROCESSING

19. EACH USER IS GIVEN A TIME
SLICE TO INTERACT WITH THE
CPU
THE SIZE OF THE TIME SLICE
WILL DEPEND ON THE SYSTEM
EACH USER IS SERVED IN
SEQUENCE.