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Computer Architecture And Organization (CAO) Scanned Lecture Notes (Units 1, 2 and 4)
#1


   
Anna University , Chennai
Department of B.E-Electronics and Communication Engg
Fifth Semester
EC2303 Computer Architecture And Organization
(Regulation 2008)


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Content : 
COMPUTER ARCHITECTURE AND ORGANIZATION

Computer architecture
Computer organization
Computing
Application
Evolution of computer
Automated computing device
Computer generation
First generation
Second generation 
Third generation
Basic functional units of a computer
VLSI ERA
IC
IC density
IC families
Processor architecture
Main frame
Mini computer 
Micro computer
Performance considerations
Performance measure
Speedup technique
Pipelined processing
System architecture
ARPANET
Pocket switching
Basic operational concepts
Program counter
CPU organization
Accumulator based CPU
CPU operation
DATA REPRESENTATION
Information
Word length
Fixed point number
Decimal number
BCA
Floating point number

UNIT-1
Instruction and instruction sequencing
Four types computer performance
1. Data transfer between memory and processor register
2. Arithmetic and logic operation on data
3. Program sequencing and control
4. Input and output transfer
Register transfer notation
Assembly language notation
Basic instruction type
Addressing modes
1. Register mode
2. Absolute mode
3. Immediate mode
4. Indirect mode
5. Index addressing mode
6. Relative addressing mode
7. Auto increment mode
System design
System representation
Computer aided design
Register level components
Register level design
Processor level components
Instruction format

UNIT-2
Addition and subtraction of signed number
BINARY ARITHENATIC
Block diagram
Signed operand multiplication
Fast multiplication
Bit pair recoding of multiplier
Adders
Subtracter
Division
Implementing floating point operation
Co-processors
Pipe line processing
Hard wired control
1. Hard wired control
Pipe line structure
Microprogrammed control
Micro instruction

UNIT-4

MEMORY DEVICES
Classification of memories
RAM
1. SRAM
2. DRAM
ROM
1. PROM
2. EPROM
3. EEPROM
RAM organization
Static organization
Read operation
Write operation
Bipolar RAM
Dynamic RAM cell
Advantages
Disadvantages
ROM organization
ROM cell
Bipolar ROM
Memory decoding
1. Absolute decoding
2. Linear decoding
Interrupt
Interrupt generation
Handling interrupt
Interrupt selection
Vectored interrupt
Memory mapped input
Operating system
Virtual memory
Address translation
Translation lookaride buffer

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