COAL (MCA 1st)

Section-A

Computer Organization: Basic Computer Organization, Bus& Memory Transfer, Stored Program

Organization, Computer Registers, Computer Instructions, Timing and Control, Hardwired based design of

Control Unit, Instruction Cycle, Formats of Various types of Instructions-Memory Reference Instructions,

Register Reference Instructions & I/O Instructions, General Register Organization-Control word, Design of

Adder & Logic Unit, Stack Organization-Register Stack, Memory Stack, Reverse Polish Notation,

Addressing Modes, RISC vs CISC Architectures, Interrupts &types.

Section-B

Pipeline & Vector Processing: Parallel Processing, Pipelining-Arithmetic & Instruction Pipeline, Vector

Processing-Vector operations, Memory Interleaving, Array Processors.

Input – Output Organization: Input-Output Interface- I/O vs Memory Bus, Isolated vs Memory mapped

I/O, Synchronous Data Transfer, Asynchronous Data Transfer – Strobe Control, Handshaking,

Asynchronous Communication Interface, Modes of Transfer-Programmed I/O, Interrupt Initiated I/O,

Interrupt Cycle, Priority Interrupt Controller, DMA Controller & DMA Transfer.

Section-C

Memory Organization: Main Memory- Memory Address Map, Memory connection to CPU, Associative

Memory-Hardware organization, Match Logic, Cache Memory-Levels of

Cache, Associative Mapping, Direct Mapping, Set-Associative Mapping, writing Into Cache,

Cache coherence, Virtual Memory – Address space & Memory space, Address mapping using

pages, Associative memory page table, Page replacement. Memory Management Hardware–

Segmented page mapping, Multiport memory, Memory protection.

Section-D

Multi processors: Characteristics of Multiprocessors, Interconnection structures-Time Shared Common

Bus, Crossbar switch, Multistage Switching Network, Hypercube interconnection, Inter processor

communication & synchronization.

Assembly Language Programming : Example of a typical 8 bit processor (8085 microprocessor) —

Registers, Addressing modes, Instruction Set-Data transfer Instructions, Arithmetic Instructions, Logical

Instructions, Program Control Instructions, Machine Control Instructions, Use of an Assembly Language

for specific programmes: Simple numeric manipulations, Sorting of a list and use of I/O instructions.