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OPERATING SYSTEM (ACCESS AND SECURITY ASPECTS (COMPUTER VIRUS (BASES OF…
OPERATING SYSTEM
WHAT IS IT?
SERVICES
INFORMATION MANAGEMENT
PROCESS MANAGEMENT
MEMORY MANAGEMENT
OVERVIEW
WINDOWS 98
WINDOWS NT
LINUX
COMPONENTS
FEATURES
CONCEPT RELATED TO PROCESS MANAGEMENT
PROCESS
MULTI PROGRAMMING
CONTEXT SWITCHING
PROCESS STATES
RUNNING
READY
BLOCKED
PROCESS SCHEDULING
PRIORITY
MULTI TASKING
TIME SHARING
COMPONENTS RELATED TO INFORMATION MANAGEMENT
FILE SYSTEM
DISK DRIVER
CONCEPT RELATED TO MEMORY MANAGEMENT
A TYPICAL MAP FOR SINGLE USER COMPUTER
PARTITIONING
VARIABLE PARTITIONS
PAGING
SEGMENTATION
VIRTUAL MEMORY
GRAPHICAL USER INTERPHASE
ADVANTAGES
WINDOW
ACCESS AND SECURITY ASPECTS
SECURITY THREATS
ATTACKS ON SECURITY
COMPUTER WORMS
COMPUTER VIRUS
BASES OF CLASSIFICATION
INFECTION METHODS
MODE OF OPERATION
VIRUS DETECTION
VIRUS REMOVAL
VIRUS PREVENTION