Course module

Unit 2 | COA — Bihar STET 2026 Paper II Computer Science

Lessons: 149
Duration: 12 hr 50 min
PYQs: 20
Practice: 902

7% of this course's PYQ weight is covered in this module.

Syllabus index

Lessons in this module

149 linked lessons

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Lessons in this module

Basics of COA

Introduction, H/W & S/W

Input Output Devices

Basics of Memory

Evolution & History

Computer Classification & Flynn’s Taxonomy

CPU Organization Basics

Instruction Set Architecture (ISA) & Design

Encoding Schemes

Types of Software

Computer Interfaces

Floating Point Rep

Floating Point Basics

IEEE 754 Standards

Cache Memory Organization

Memory Chip Configuration

Hierarchy & Locality

Units & Cache Mapping Techniques Basics

Direct Mapping

Associative Mapping

Set Associative Mapping

Cache Replacement Policies & Miss Types

Memory Organisation & Performance

Input Output Organisation

Interface & Addressing

Programmed IO

Interrupt Driven IO

Direct Memory Access DMA

Instr Formats & Modes

Instruction Structure

Basic Addressing Modes

Complex & Rel Modes

Control Unit Design

Instruction Types

Hardwired & Microprogrammed CU

Register Transfer and Microoperations

Register & Bus Organization

Data Manipulation Micro-Operations

Previous-year questions

Explore the course