Digital Electronics and Computer Organization/Unit 4

UNIT 4

Basic Computer Organization And Design

Unit roadmap

11 topics arranged for quick revision.

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Functional components of digital computers, instruction cycle, RTL, hardwired and microprogrammed control units, bus structures, addressing modes, and I/O mechanisms.

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Syllabus break-down

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Computer Components & Architecture

Functional components of a digital computer: control unit, ALU, registers, memory, and interconnect

Study notes and concepts for Functional components of a digital computer: control unit, ALU, registers, memory, and interconnect under Computer Components & Architecture.

10 MIN

Instruction Cycle and RTL

Instruction cycle: fetch, decode, execute

Study notes and concepts for Instruction cycle: fetch, decode, execute under Instruction Cycle and RTL.

10 MIN

Study notes and concepts for Register transfer language (RTL), micro-operations, and control signals under Instruction Cycle and RTL.

10 MIN

Control Unit Design

Hardwired control logic (detailed)

Study notes and concepts for Hardwired control logic (detailed) under Control Unit Design.

10 MIN

Microprogramming (basic concepts only)

Study notes and concepts for Microprogramming (basic concepts only) under Control Unit Design.

10 MIN

Bus and Memory Operations

Introduction to bus structures

Study notes and concepts for Introduction to bus structures under Bus and Memory Operations.

10 MIN

Memory read/write sequences

Study notes and concepts for Memory read/write sequences under Bus and Memory Operations.

10 MIN

Addressing Modes and Instruction Design

Addressing modes: immediate, direct, indirect, register, indexed

Study notes and concepts for Addressing modes: immediate, direct, indirect, register, indexed under Addressing Modes and Instruction Design.

10 MIN

Basic instruction format and design

Study notes and concepts for Basic instruction format and design under Addressing Modes and Instruction Design.

10 MIN

Conceptual design of a simple accumulator-based computer

Study notes and concepts for Conceptual design of a simple accumulator-based computer under Addressing Modes and Instruction Design.

10 MIN

I/O Mechanisms

I/O mechanisms: program-controlled, interrupt-driven, DMA overview

Study notes and concepts for I/O mechanisms: program-controlled, interrupt-driven, DMA overview under I/O Mechanisms.

10 MIN