AIT 124 COMPUTER ORGANIZATION AND ARCHITECTURE 3(3+0)
UNIT I
Introduction
Introduction to COA, Basic Computer Model and different units of Computer, Basic Working Principle of a
Computer Number System Representation: Representation of Decimal, Binary, Octal and Hexadecimal
Number; Conversation of Numbers, Representation of Unsigned & Sign integer, Representation of real number,
Representation of character.
UNIT II
Arithmetic and Logic Unit
Logic Gates: AND, OR, NOT, NAND, NOR, XOR, Exclusive, NOR gates Boolean algebra: Introduction,
Explanation of Boolean function, Describe truth table, Simplified Boolean function using postulates and draw
logical diagram of simplified function, Simplified Boolean function using karnaugh map method. Sequential
And Combinational Circuits: Introduction to combinational circuit and sequential circuit, half adder, full
adder, multiplexer, demultiplexer, encoder, decoder
UNIT III
Memory
Concept of Main Memory, Introduction to Flip Flop and explain SR, Clocked SR, D, JK, T flip flops, Cache
Memory, Operations of cache memory, Mapping functions, Replacement algorithms/policy, Memory
Management, Virtual Memory, Paging, Allocation of frames, logical and physical address, address translation,
address translation process
UNIT IV
Central Processing Unit
Introduction of CPU, Major component of CPU, CPU categories RISC and CISC, Instruction Pipeline,
execution of complete instructions, design of control unit, hardwired control, control signals, Run signals, PLA,
concept of Multi-Processor / Parallel Processing
UNITV
Input-Output Organization
Concept of input output interface, Programmed Control I/O, Interrupt Control I/O, Direct Memory Access
Control I/O, I/O buses, Synchronous bus, Asynchronous bus
Reference Books
1. Computer System Architecture – By Morris Mano (PHI)
2. Digital Logic And Computer Design – By Morris Mano
3. Digital Computer Electronics – By Malvino And Leach