B.TechSemester 42021-22MicroprocessorKCS403

Microprocessor (KCS403) - AKTU Question Paper 2021-22

B.Tech · Semester 4 · Free PDF Download

This is the official AKTU Microprocessor Previous Year Question Paper for B.Tech Semester 4, academic session 2021-22. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech
Semester:Semester 4
Session:2021-22
University:AKTU / UPTU

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Questions Asked in 2021-22

Microprocessor (KCS403) — complete question paper

Section AAttempt all q u e s t i o n s i n b r i e f . 2*10 = 20
  • a
    Discuss in brief about the e volution of Microprocessor. 2 2
  • b
    Discuss briefly about the t ypes of Microprocessors. 2 1
  • c
    Discuss briefly about the Reg isters in Microprocessor. 2 2
  • d
    What do you understand by the Inte rrupts in Microprocessor? 2 1
  • e
    Write in brief about the Bus i nterface unit (BIU) in Microprocessor. 2 3
  • f
    What do you understand by the ter m Instruction sets? 2 3
  • g
    Discuss briefly about the con cept of Assembly language. 2 4
  • h
    What is the purpose of Branch operations? 2 4 (i) What do you understand by the Peripheral Devices? 2 5 (j) What do you understand by the DMA Controller? 2 5
Section BAttempt any three o f t h e f o l l o w i n g : 10*3 = 30
  • a
    Give a detailed explanat ion about the 8253 programmable counters. 10 5
  • b
    Discuss in detail about the M achine control and Assembler directives. 10 2
  • c
    Give the Complete descripti on about the Hardware and Softwa re Interrupts
  • d
    Discuss in detail about the Conditional call and Return ins tructions. 10 4
  • e
    Discuss in detail about the Microprocessor architecture and Operation of its components
Section CAttempt any one p a r t o f t h e f o l l o w i n g : 10*1 = 10
  • a
    Write short notes on following. i) 8259 programmable interrupt controller ii) 8251 USART
  • b
    Explain in detail about the Execution Unit and Memory Segme ntation of the Microprocessor
  • a
    Draw and explain Internal Block diagram of Programmable tim er counter and its Modes of operation in detail
  • b
    Explain in detail about the Architecture of 8086 microproce ssor with the help of a neat diagram
  • a
    Discuss in detail about the different Address Modes of 8086 . Give Example for each type
  • b
    Discuss Internal block diagram of 8237 and explain the oper ating mode of 8237 DMA controller
  • a
    Draw the Block diagram a nd explain in detail about the operations of 8255 Parallel communication interface
  • b
    Explain the following. i) Data transfer schemes ii) Interfacing devices
  • a
    Write a detailed note on the following: (i) Assembler Level Program(ASMs) (ii) Memory Space
  • b
    Discuss in detail about the instruction formats. Calculate the number of memory chips needed to design 128K-Byte memory if the memory chip size is 2048 x 1

Question text is extracted from the official AKTU question paper PDF above. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.

Microprocessor — Other Year Papers

AKTU Microprocessor PYQs from other sessions