B.TechSemester 52023-24Microprocessor MicrocontrollerKEC502

Microprocessor Microcontroller (KEC502) - AKTU Question Paper 2023-24

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 2023-24. 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:2023-24

University:AKTU / UPTU

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Questions Asked in 2023-24

Microprocessor Microcontroller (KEC502) — complete question paper · 100 marks · 3 Hours

Section AAttempt all q u e s t i o n s i n b r i e f . 2 x 10 = 20

a
Explain the term Microprocessor. 2 1
b
Describe the term Memory Mapped I/O. 2 1
c
Define the term Indexin g in Microprocessors. 2 2
d
What is the function of a r otation instruction? 2 2
e
Explain the term 16-bit Microprocessors. 2 3
f
Elaborate on the term Interfacing Devices. 2 3
g
Describe the term Microcontroller. 2 4
h
What are Pins used for in any Microprocessor? 2 4 i. Define the term Ports i n Microcontrollers. 2 5 j. Explain the use of Analog-Dig ital-Converter in any microcontro ller operation

Section BAttempt any three o f t h e f o l l o w i n g : 10 x 3 = 30

a
Draw and Explain the Timing and Control Unit of 8085 Microprocessor. 10 1
b
Explain the types of Jump in structions available in 8085 Microprocessors
c
Define different addressi ng modes associated to 8086 Microprocessor. 10 3
d
Explain the Memory Organiz ation in 8051 Microcontroller. 10 4
e
Explain the LCD Interfacing with proper diagram with 8051 Microcontroller

Section CAttempt any one p a r t o f t h e f o l l o w i n g : 10 x 1 = 10

a
Draw and describe the diagr am to interface one 4 KB ROM and one 16 KB RAM with 8085 Microprocessor
b
Define and draw the timing diagram for the below mentioned instruction: MVI B, 20 H
a
Define the working and addressing modes associated to follow ing instructions of 8085 Microprocessor: LXI, XCHG, DAD, CMP, RAR
b
Describe different types asso ciated to Interrupts. Explain 8 085 interrupts with all specifications associated
a
What are Maximum and Min imum Mode of operations in 8086 Microprocessor? Define the Pin functions of Pin number 24 to 31 i n Maximum and Minimum mode, separately
b
Describe the flow chart of I nitialization process in 8259 chip and explain the ICW1 & ICW2 associated to 8259 chips
a
Describe all the SFRs associ ated to 8051 Microcontroller. 10 4
b
Explain all the ports and associated functions on port pins in 8051 microcontrollers
a
What is a Timer circuit? Explain the Timer operations associ ated to 8051 microcontrollers by using Timer Registers
b
Define different addressing m odes associated to 8051 microcontrollers. 10 5

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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