JNTUK R19 2-2 Computer Architecture and Organization Material PDF Download


JNTUK R19 2-2 Computer Architecture and Organization Material PDF Download

Students those who are studying JNTUK R19 ECE Branch, Can Download Unit wise R19 2-2 Computer Architecture and Organization (CAO) Material/Notes PDFs below.


JNTUK R19 2-2 Computer Architecture and Organization Material PDF Download


  • To understand the architecture of amodern computer with its variousprocessingunits. Also the Performance measurement of thecomputersystem.
  • To understand the memory management systemofcomputer.
  • To Understand the various instructions, addressingmodes
  • To Understand the concept of I/Oorganization


Basic Structure Of Computers: Functional unit, Basic Operational concepts, Bus structures, System Software, Performance, The history of computer development.

Machine Instruction and Programs: Instruction and Instruction Sequencing: Register Transfer Notation, Assembly Language Notation, Basic Instruction Types.

Download UNIT-1 Material PDF


Addressing Modes, Basic Input/output Operations, The role of Stacks and Queues in computer programming equation. Component of Instructions: Logic Instructions, shift and Rotate Instructions

Type of Instructions: Arithmetic and Logic Instructions, Branch Instructions, Addressing Modes, Input/output Operations

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INPUT/OUTPUT ORGANIZATION: Accessing I/O Devices, Interrupts: Interrupt Hardware, Enabling and Disabling Interrupts, Handling Multiple Devices, Direct Memory Access,

Buses: Synchronous Bus, Asynchronous Bus, Interface Circuits, Standard I/O Interface: Peripheral Component Interconnect (PCI) Bus, Universal Serial Bus (USB)

Download UNIT-3 Material PDF | Reference-2


The MEMORY SYSTEMS: Basic memory circuits, Memory System Consideration, ReadOnly Memory: ROM, PROM, EPROM, EEPROM, Flash Memory, Cache Memories: Mapping Functions, INTERLEAVING

Secondary Storage: Magnetic Hard Disks, Optical Disks,

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Processing Unit: Fundamental Concepts: Register Transfers, Performing an Arithmetic Or Logic Operation, Fetching A Word From Memory,Execution of Complete Instruction, Hardwired Control,

Micro programmed Control: Microinstructions, Micro program Sequencing, Wide Branch Addressing Microinstructions with next –Address Field

Download UNIT-5 Material PDF | Reference-2


  1. Computer Organization, Carl Hamacher, ZvonksVranesic, SafeaZaky, 5thEdition, McGrawHill, 2011.
  2. Computer Architecture and Organization, John P. Hayes ,3rdEdition, McGrawHill, 2002.


  1. Computer Organization and Architecture – William Stallings SixthEdition,Pearson/PHI
  2. Structured Computer Organization – Andrew S. Tanenbaum, 4th EditionPHI/Pearson, 2012.
  3. Fundamentals or Computer Organization and Design, – Sivaraama Dandamudi Springer Int.Edition, 2003.
  4. “Computer Organization and Design: The Hardware/Software Interface” by DavidA. Patterson and John L.Hennessy, 1998.
  5. J .P. Hayes, “Computer Architecture and Organization”, McGraw-Hill,1998


  • Students can understand the architecture ofmoderncomputer.
  • They can analyze the Performance of a computer usingperformanceequation
  • Understanding of differentinstructiontypes.
  • Students can calculate the effective address of an operand byaddressingmodes
  • They can understand how computer stores positive andnegativenumbers.
  • Understand the concepts of I/O Organization and Memorysystems.

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