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EC-501 RGPV B.Tech

MICROPROCESSOR AND ITS APPLICATIONS (MIA)

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

Previous Year Papers

7 papers, latest Dec 2025

Free
See all 7 papers

Syllabus, notes and important questions for EC-501

Syllabus units

Topics as the official RGPV syllabus lists them.

Unit 1 Salient features of advanced microprocessors and 8086 architecture 8 topics
  • Salient features of advanced microprocessors
  • RISC & CISC processors
  • Review and evolution of advanced microprocessors (8086, 8088, 80186/286/386/486/Pentium)
  • Introduction to 8086 processor: Register organization
  • Architecture of 8086
  • Signal description of 8086
  • Minimum mode 8086 systems and timings
  • Maximum mode 8086 systems and timings
Unit 1 notes
Unit 2 Intel 8086 microprocessor programming 4 topics
  • Intel 8086 microprocessor programming
  • 8086 Instruction Set
  • Addressing modes
  • Assembly Language Programming with Intel 8086 microprocessor
Unit 2 notes
Unit 3 Interfacing chips and peripherals 6 topics
  • Introduction to interfacing chips (8155, 8255)
  • Interfacing key boards
  • LEDs interfacing
  • ADC interfacing
  • DAC interfacing
  • Memory interfacing
Unit 3 notes
Unit 4 Programmable peripheral devices and communication 6 topics
  • General purpose programmable peripheral device 8253
  • 8254 programmable interval timer
  • 8259A programmable interrupt controller
  • 8257 DMA controller
  • USART
  • Serial I/O and data communication
Unit 4 notes
Unit 5 Microcontrollers (8051) and embedded systems 9 topics
  • Introduction to microcontrollers (8051) and embedded systems
  • 8051 architecture
  • Pin description
  • I/O configuration
  • Interrupts
  • Addressing modes
  • Overview of 8051 instruction set
  • Embedded system concepts
  • Use of microcontrollers in embedded systems
Unit 5 notes
Read the full syllabus

Exam insights

Counted from 7 past EC-501 papers.

Marks asked per paper, by unit

  • Unit 1 Salient features of advanced microprocessors 23 marks
  • Unit 2 Intel 8086 microprocessor programming 19 marks
  • Unit 3 Introduction to the various interfacings chips like 8155, 8255 20 marks
  • Unit 4 General purposes programmable peripheral devices (8253) 25 marks
  • Unit 5 Introduction to microcontrollers (8051) and embedded systems 25 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 addressing modes of the 8086 microprocessor with examples.

    Asked 6 times: 2025, 2024, 2023, 2022, 2020, 2019

  2. Explain the various addressing modes of the 8051 microcontroller with examples.

    Asked 6 times: 2025, 2024, 2023, 2022, 2020, 2019

  3. Differentiate and compare RISC vs CISC processors, including their salient features.

    Asked 5 times: 2025, 2024, 2020, 2019

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