Computer Organization and Operating Systems Notes pdf – CO&OS notes pdf

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Here you can download the free lecture Notes of Computer Organization and Operating Systems Notes pdf – CO&OS notes pdf materials with multiple file links to download.Operating Systems  and Computer Organization pdf notes book starts with the topics covering BASIC STRUCTURE OF COMPUTERS, Memory hierarchy, I/O Vs memory Bus, Computer System Structure, FILE SYSTEM INTERFACE, etc.

Computer Organization and Operating Systems Notes pdf – CO&OS notes pdf file

Computer Organization and Operating Systems Notes pdf | CO&OS notes pdf | Computer Organization and Operating Systems | Computer Organization and Operating Systems Notes | CO&OS Notes

Computer Organization and Operating Systems Notes pdf – CO&OS pdf notes – CO&OS notes pdf file to download are listed below please check it –

Link:Complete Notes

Unit 1

Link:Unit 1 Notes

Unit 2 

Link:Unit 2 Notes

Unit 3

Link:Unit 3 Notes

Unit 4 

Link:Unit 4 Notes

Unit 5

Link:Unit 5 Notes

 

Note :- These notes are according to the R09 Syllabus book of JNTU.In R13 and R15,8-units of R09 syllabus are combined into 5-units in R13 and R15 syllabus. If you have any doubts please refer to the JNTU Syllabus Book.

Unit-1:

BASIC STRUCTURE OF COMPUTERS,Computer Types,Functional Unit,Basic Operational concepts,Bus structures,Software performance,Multiprocessors and multi computers,Data Representation,Fixed point Representation,Floating- point Representation.

Unit-2:

Memory hierarchy,Main Memory,RAM,ROM Chips,Memory Address map,Memory Connection to CPU,Associate memory,Cache Memory,Data cache,Instruction cache,Miss and Hit ratio,Access time,Associative mapping,Set associative mapping,Waiting into cache,Introduction to virtual memory.Making programs and data available at a rapid rate, it is possible to increase the performance rate of the
computer. While the I/O processor manages data transfers between auxiliary memory and main memory, the
cache organization is concerned with the transfer of information between main memory and CPU.

Unit-3:

I/O Vs memory Bus,Isolated Vs Memory-Mapped I/O,Asynchronous data Transfer,Strobe control,Hand Shaking,Asynchronous Serial transfer,Asynchronous Communication interface,Modes of transfer,Programmed I/O,Interrupt Initiated I/O ,DMA,DMA controller,DMA Transfer,IOP-CPU-IOP Communication,Intel 8089 IOP,INPUT-OUTPUT INTERFACE,I/O BUS AND INTERFACE MODULES,I/O VERSUS MEMORY BUS,ISOLATED VERSUS MEMORY-MAPPED I/O,ASYNCHRONOUS DATA TRANSFER,STROBE CONTROL,HANDSHAKING,ASYNCHRONOUS SERIAL TRANSFER,Asynchronous Communication Interface,MODES OF TRANSFER,EXAMPLE OF PROGRAMMED I/O,INTERRUPT-INITIATED I/O.

Computer Organization and Operating Systems  pdf Notes

Unit-4:

Computer System Structure,Four Components of a Computer System ,Operating System Definition ,Computer Startup ,Computer System Organization ,Computer-System Operation ,Common Functions of Interrupts,Interrupt Handling ,Interrupt Timeline ,I/O Structure ,Direct Memory Access Structure ,Storage Structure,Storage Hierarchy,Caching ,Computer-System Architecture ,Asymmetric Multiprocessing ,Symmetric Multiprocessing ,A Dual-Core Design .

Unit-5:

FILE SYSTEM INTERFACE, Introduction,Concept of a File,File Access methods,Directory Structure,Allocation Methods,Free Space management,Directory Implementation,The operating system is a resource manager. Secondary resources like the disk are
also to be managed. Information in secondary storage because it costs less,
is non-volatile and provides large storage space. Processes access data / information
present on secondary storage while in execution.Thus, the operating system has to
properly organize data / information in secondary storage for efficient access.

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