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EX-602 RGPV B.Tech

Microprocessor & Micro‑controller (MMC)

Previous year papers and the official syllabus are free to read, no account needed.

Previous Year Papers

5 papers, latest Jun 2025

Free
See all 5 papers

Syllabus, notes and important questions for EX-602

Syllabus units

Topics as the official RGPV syllabus lists them.

Unit 1 Microprocessor 8086 14 topics
  • Introduction to 16‑bit 8086 microprocessors
  • Architecture of 8086
  • Pin configuration and mode
  • Timing diagram
  • Memory interfacing
  • Interrupts
  • Instruction set of 8086
  • Addressing modes
  • Assembler directives and operations
  • Assembly and machine language programming
  • Subroutine call and return
  • Concept of stack
  • Stack structure of 8086
  • Timings and delays
Unit 1 notes
Unit 2 Input‑Output Interfacing 6 topics
  • Memory‑mapped I/O and peripheral I/O
  • Architecture and modes of operation of PPI 8255
  • Interfacing PPI 8255 to 16‑bit microprocessor and programming
  • Architecture of DMA controller (8257)
  • Architecture of programmable interval timer 8254
  • USART 8251
Unit 2 notes
Unit 3 Microcontroller 8051 11 topics
  • Intel 8051 family of 8‑bit microcontrollers
  • Architecture of 8051
  • Pin description
  • I/O configuration
  • Interrupts, interrupt structure and priorities
  • Port structure and operation
  • Accessing internal and external memories (different modes of operation)
  • Memory organization
  • Addressing modes
  • Instruction set of 8051
  • Programming of 8051
Unit 3 notes
Unit 4 8051 Interfacing and Serial Communication 9 topics
  • Interfacing 8051 to ADC and DAC
  • Stepper motor interfacing with 8051
  • Timer/counter functions in 8051
  • 8051‑based thyristor firing circuit
  • 8051 connections to RS‑232
  • 8051 serial communication
  • Serial communication modes
  • Serial communication programming
  • Serial port programming in C
Unit 4 notes
Unit 5 Microcontroller 8096 and PIC Introduction 11 topics
  • Introduction to 16‑bit microcontroller 8096
  • Functional block diagram of 8096
  • Memory status of 8096
  • Complete 8096 instruction set
  • Classification of instruction set
  • Addressing modes of 8096
  • Programming examples using 8096
  • Hardware features of 8096
  • Parallel ports
  • Control and status registers
  • Introduction to 16/32‑bit PIC microcontrollers and dsPIC
Unit 5 notes
Read the full syllabus

Exam insights

Counted from 5 past EX-602 papers.

Marks asked per paper, by unit

  • Unit 1 Microprocessor 8086 27 marks
  • Unit 2 Input-Output interfacing 22 marks
  • Unit 3 Microcontroller 8051 22 marks
  • Unit 4 8051 Interfacing, Applications and serial communication 17 marks
  • Unit 5 Microcontroller 8096 21 marks

Average marks of the questions from each unit in one paper. You answer only some of them, so the total is more than the paper’s maximum.

Asked again and again

  1. Explain the internal architecture / block diagram of 8086 microprocessor including roles of EU and BIU

    Asked 5 times: 2025, 2024, 2023, 2020

  2. Explain the working/operation and architecture of the 8257 DMA controller with block diagram, including DMA importance and priority/control signal management

    Asked 3 times: 2025, 2024, 2022

  3. Explain the internal architecture of the 8254 programmable interval timer.

    Asked 3 times: 2024, 2023

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