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Note for Computer Organistaion - CO By vtu rangers

  • Computer Organization - CO
  • Note
  • Visvesvaraya Technological University Regional Center - VTU
  • 26 Topics
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Topics ( 26 )

Basic structure of computer & Machine instructions and programs 2 Memory location,Addresses,and operations 28 CPU Organisation 35 Machine instructions and programs 51 Addition modes 60 Assembly language 63 Stacks 79 Subroutines 90 Parameter passing 96 queues 105 Input/Output Organization 122 Priority method 143 Registers of DMA controller 157 Interface circuits 180 PCI Bus 197 Device configuration 200 The Memory system 218 DRAM cell 226 Memory controller 235 Cache memories 244 Mapping functions 248 Virtual memories 261 Memory management 282 Basic Processing Unit 318 EMBEDDED SYSTEMS & LARGE COMPUTER SYSTEMS 338 The structure of general purpose multiprocessors 348
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Subject code 15CS34 Subject Sowmya K P Asst. Professor Dept of ISE CITech

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MODULE 1: Basic structure of computer & Machine instructions and programs Courtesy: Text book: Carl Hamacher 5th Edition Subject

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Functional Units Arithmetic and logic Input Memory Output Control I/O Processor Figure 1.1. Basic functional units of a computer.

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Basic operational concepts : A Typical Instruction • Add LOCA, R0 • Add the operand at memory location LOCA to the operand in a register R0 in the processor. • Place the sum into register R0. • The original contents of LOCA are preserved. • The original contents of R0 is overwritten. • Instruction is fetched from the memory into the processor – the operand at LOCA is fetched and added to the contents of R0 – the resulting sum is stored in register R0.

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