Microprocessor Microcontroller (BEC502) - AKTU Question Paper 2024-25
B.Tech · Semester 5 · Free PDF Download
This is the official AKTU Microprocessor Microcontroller Previous Year Question Paper for B.Tech Semester 5, academic session 2024-25. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.
Course:B.Tech
Semester:Semester 5
Session:2024-25
University:AKTU / UPTU
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Questions Asked in 2024-25
Microprocessor Microcontroller (BEC502) — complete question paper · 70 marks · 3 Hours
Section AAttempt all questions in brief. 2 x 07 = 14
- aEnumerate the term, Memory
- bEnumerate the meaning of Memory Mapped I/O
- cEnumerate the term, Flow Chart
- dDetermine the use of Interrupts
- eDiscuss the term Interfacing
- fClarify the term Microcontrollers
- gOutline the functions of the Serial Port in 8051
Section BAttempt any three of the following: 07 x 3 = 21
- aDemonstrate the Address-Data Bus Demultiplexing process in 8085, with neat diagram
- bExplain the types of interrupts in 8085
- cInterpret the functions associ ated with BIU architecture in 8086
- dDemonstrate the Special Function Registers in 8051
- eExplain the functions and programming associated to Interrup t Controller block in 8051
Section CAttempt any one part of the following: 07 x 1 = 07
- aExplain the circuit diagram to connect one RAM of 32KB and one ROM of 32 KB memory size to 8085
- bDiscuss the Functions associated to the 8085 pins: Vpp, CLK (OUT), RESET IN’, X1-X2, INTA’, RD’ and IO/M’
- aDemonstrate the output value, Register A content and Flag Regis ter content after executing the below program on 8085: MVI A, 02H MVI C, A4H CMP C ADD C
- bDiscuss the Functions associated to the 8085 instructions: STAX, PUSH, SBI, CMA, RAR, RSTn and JNC
- aExplain different Addressing Modes associated to 8086
- bInterpret the functions associated with bits of Control Word in 8253/54 chip
- aDiscuss the Functions associated to all four I/O Port pins in 8051
- bDiscuss the Functions associated to the 8051 pins: PSEN’, T1, Vcc, RST, AD5, TxD and WR’
- aDemonstrate interfacing of a 4x4 (16-key) keyboard with 8051 , with neat circuit diagram
- bDiscuss the Functions associated to the 8051 instructions: XCH, DIV, XRL, SETB, JZ, MOV and SWAP
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.
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