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TCP/IP AND OSI MODEL DIAGRAM :


PRESENTATION LAYER :


SESSION LAYER :


TRANSPORT LAYER DIAGRAM :


SOURSE TO DESTINATION DELIVERY DIAGRAM :


HOP TO HOP DELIVERY DIAGRAM :


DATA LINK LAYER DIAGRAM :


PHYSICAL LAYER DIAGRAM :


OSI MODEL DIAGRAM :


COMPUTER SYSTEM DIAGRAM :


WHAT IS OPERATING SYSTEM: ?

A program that acts as an intermediary between a user of computers and computer hardware.
Operating system goals: Execute user programs and make solving user problems easier.
Make use of the computer system convenient. Use the computer hardware in an efficient manner...