MCA-104 Computer organization and Assembly Language Programming:

UNIT-I

Representation of Information: Number systems, integer and floating-point representation, character codes

(ASCII, EBCDIC), Error detection and correction codes : parity check code,cyclic redundancy

code,Hamming code . Basic Building Blocks: Boolean Algebra, Simplification of Boolean Function.

Combinational blocks: gates, multiplexers, decoders,Implementation of Boolean Function in form of

gates etc. Sequential building blocks: flip-flops, Registers : Buffer register, Right &Left Shift register,

Bidirectional Shift register. Counters : Ripple counter,Binary Counter,MOD-10 Counter,Ring Counter.

ALU, Random access memory etc.

UNIT-II

Register Transfer Language and Micro-operations: concept of bus, data movement among registers, a

language to represent conditional data transfer, data movement from/to memory. Design of simple

Arithmetic & Logic Unit & Control Unit, arithmetic and logical operations Along with register transfer,

timing in register transfer.

UNIT-III

Architecture of a simple processor: A simple computer organization and instruction set, instruction

formats, addressing modes, instruction cycle,instruction execution in terms of microinstructions, interrupt

cycle ,concepts of interrupt and simple I/O organization,Synchronous & Asynchronous data transfer,Data

Transfer Mode : Program Controlled, Interrupt driven, DMA(Direct Memory Access). implementation of

processor using the building blocks.

UNIT-IV

Assembly Language programming: Pin Diagram of 8086, Architecture of 8086,Addresing Mode of

8086,detailed study of 8086/8088 assembly language, instruction set of 8086, loops and Comparisons,

conditions and procedures, arithmetic operations in assembly language. Simple Assembly Language

program of 8086. illustrations using typical programs like: table search, subroutines, symbolic and

numerical manipulations and I/O.

UNIT-V

Memory organization: Secondary Memory, Primary Memory :Random access memory, Read Only

memory basic cell of static and dynamic RAM, Building large memories using chips, Concept of

segmentation & Paging, Associative memory, cache memory organization, virtual memory organization.

BOOKS:

1. M. Morris Mano, “Computer System Architecture”, PHI, 3rd edition, 1993

2. Govindarajalu “Computer Architecture & Organisation”.

3. Liu and Gibson, “8086/8088 Micro processor Assembly Language”.

4. M.Mano “Digital Logic & Computer Design”

5. Malvino, “Digital Computer Electronics”.

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