UNIVERSITY OF MADRAS
B.Sc. DEGREE COURSE IN COMPUTER SCIENCE
SEMESTER SYSTEM WITH CREDITS
(Effective from the Academic Year 2003-2004)

Semester II - Paper II - CS108 - Computer Architecture and Organization

Lecture Lab: 4
Duration: 3 hrs
Maximum Marks: 75
Credits: 3

UNIT - I:

Computer Evolution: Pentium and Power PC Evolution. Computer System: Components Function - Interconnection Structures - Bus interconnection - Basics of PCI Bus. Memory: Characteristics - Hierarchy - Cache Memory - Principles - Cache Design - Locality of Reference.

UNIT - II:

Main Memory: Static RAM - Dynamic RAM - Types of ROM - Memory Chip Organization - Types of DRAM. External Memory: Magnetic Disk - Basics of RAID - Optical Memory - Magnetic Tapes.

UNIT III:

Input/Output: External Devices - I/O Module - Programmed I/O - Interrupt Driven I/O - DMA - I/O Channels & Processors. Computer Arithmetic: ALU -. Integer Representation and Arithmetic - Floating Point Representation and Arithmetic. Instruction Set: Characteristics - Operand Types - Operation Types - Addressing Modes - instruction Formats - Pentium and Power PC Operands, Operations, Addressing Modes (Simple Examples).

UNIT IV:

CPU: Organization of Processors and Registers - Instruction Cycle - Instruction Pipelining - Pentium Processor. RISC: Characteristics - Large Register File - Register Optimisation - Architecture - RISC Vs CISC Characteristics - Pipelining.

UNIT V:

Control Unit: Micro-Operations - Control of Processors - Hardwired Implementation - Micro Programmed Control Concepts -- Microinstruction Sequencing - General Microinstruction Execution.

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