B.TechSemester 62024-25MicroprocessorBEE602

Microprocessor (BEE602) - AKTU Question Paper 2024-25

B.Tech · Semester 6 · Free PDF Download

This is the official AKTU Microprocessor Previous Year Question Paper for B.Tech Semester 6, 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 6

Session:2024-25

University:AKTU / UPTU

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Questions Asked in 2024-25

Microprocessor (BEE602) — complete question paper · 70 marks · 3 Hours

Section AAttempt all questions in brief. 02 x 7 = 14

a
Which interrupts has highest Priority (i) INTR (ii) TRAP (iii) RST 6.5 (iv) RST 7.5
b
In 8085 name the 16 bit register. (i) Stack Pointer (ii) Program Counter (iii) IR (iv) i and ii both
c
3. Access time is faster for (i) ROM (ii) SRAM (iii) DRAM (iv) EPROM
d
What do you understand by Min/ Max mode of 8086 microprocessor?
e
How large is the instruction queue of the 8086?
f
Write down the basic diffe rences between 8085 and 8086
g
Define the LDA instruction of 8085

Section BAttempt any three of the following: 07 x 3 = 21

a
Define T-state and in which T-cycle the ALE signal is activated?
b
Explain the Block diagram of 8085
c
Explain the seven segment display with suitable diagram
d
Define branching operation of 8085 with an example
e
Explain RS 232C Pin diagram and functioning. 5 K2 Explain how many times the following loop will be executed in 8085microprocessor: LXI B, 0007H LOOP: DCX B JNZ LOOP

Section CAttempt any one part of the following: 07 x 1 = 07

a
What are the various registers in 8085 also write down the size of the registers?
b
Explain the Pin diagram of 8086 microprocessor
a
Write the instruction to load the number 2050H in the regist er pair BC in 8085. Increment the number using the instruction INX B and Illu strate whether the INX B instruction is equivalent to the instructions INR B and INR C
b
Write instruction to: (i) Load 08H in the accumulator. (ii) Increment the accumulator. (iii) Display the answer
a
If the 8085 microprocessor adds 89H and 79H specify the cont ents of accumulator and status of S, Z and CY flags
b
Find out time delay of the following loop if the processor f requency is 2 MHz. MVI C,FF 7T DCR C Loop 4T JNZ Loop 10/7T
a
What are the different addressing modes of 8085?
b
Explain the Pin diagram of 8086 microprocessor
a
Draw and explain th e 8257 DMA controller
b
Write an assembly language program for 8085 to add two 16-bi t numbers

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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