What is the exam pattern and passing mark for GTU Microprocessor and Interfacing (3160712)?

The GTU theory examination carries 70 total marks with a duration of 2.5 Hours. Minimum passing criteria is 23 marks (33%). The paper consists of 5 main questions with official marking breakdown and internal choices.

Where can I download the official GTU 3160712 Summer 2025 question paper PDF?

The official GTU question paper PDF is linked directly from Gujarat Technological University's official examination archive. You can view the full paper online or download the original file.

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Gujarat Technological UniversitySummer 2025 examination

GTU 3160712 Microprocessor and Interfacing (MPI) Summer 2025 Question Paper & PDF

B.E. · Computer Engineering · Semester 6 · Subject code 3160712

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Total: 70 marks
To pass: 23 marks (33%)
Duration: 2.5 Hours 10:30 AM – 1:00 PM
Questions: 5 with internal choice

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10 of 25 questions on this paper were also asked in other years. 2 more are types of question GTU sets again with new data. Each is marked below with the years it appeared.See all 32 repeated 3160712 questions, most asked first

Q.1

14 Marks

(a)

3 marks

Explain bus organization in 8085 Microprocessor

(b)

4 marksAsked in 3 of 7 papers

Explain general purpose registors in 8085 Microprocessor

Also asked in Summer 2026 Q1b, Winter 2023 Q4a

(c)

7 marksAsked in 3 of 7 papers

Explain de-multiplexing of AD0 – AD7 in 8085 microprocessor with suitable diagram

Also asked in Winter 2025 Q2b, Summer 2023 Q3b OR

Q.2

14 Marks

(a)

3 marks

Explain function of following 8085 pins

1)READY

2)HLDA

3)X1 & X2

(b)

4 marks

Draw timing diagram of instruction MOV A , B

(c)

7 marksAsked in 2 of 7 papers

Explain flag register of 8085 Microprocessor with diagram

Also asked in Winter 2023 Q4a OR

(c)

7 marksAsked in 2 of 7 papers

Draw and explain architecture of 8085 Microprocessor

Also asked in Winter 2024 Q1c

Q.3

14 Marks

(a)

3 marks

Explain function of given instructions :

1)DAD

2)LHLD

3)XCHG

(b)

4 marks

Explain indirect addressing mode in 8085 with examples

(c)

7 marksSame type asked in 2 of 7 papers

Write an assembly language program to find smallest number from numbers stored at memory location 1000H and 1001H. Store result on memory location 2000H

Also asked in Winter 2023 Q3c OR

(a)

3 marks

Explain function of given instructions :

1)ANI

2)RLC

3)SIM

(b)

4 marks

Explain registor addressing mode in 8085 with examples

(c)

7 marksSame type asked in 2 of 7 papers

Write a set of 8085 assembly language instructions to generate a 1 second delay, if the crystal frequency is 1 MHz.

Also asked in Summer 2023 Q2c

Q.4

14 Marks

(a)

3 marks

Define

1)Stack

2)Counter

3)Time Delay

(b)

4 marks

Explain subroutine in 8085 Microprocessor with example

(c)

7 marks

Draw and explain input and output handshake mode of 8255A

(a)

3 marksAsked in 2 of 7 papers

Differentiate maskable and non-maskable interrupts in 8085 Microprocessor

Also asked in Winter 2023 Q5a

(b)

4 marks

Explain control registor in 8255A with diagram

(c)

7 marksAsked in 4 of 7 papers

Explain Programmable Interrupt Controller 8259A

Also asked in Summer 2026 Q4c OR, Winter 2024 Q4b OR, Summer 2024 Q4c OR

Q.5

14 Marks

(a)

3 marksAsked in 3 of 7 papers

Describe operating modes in 8086 Microprocessor

Also asked in Summer 2026 Q5b OR, Winter 2024 Q5b

(b)

4 marksAsked in 2 of 7 papers

Explain segment registers in 8086 Microprocessor

Also asked in Summer 2026 Q5a

(c)

7 marksAsked in 3 of 7 papers

Draw and explain architecture of 80286 Microprocessor

Also asked in Summer 2026 Q5c OR, Summer 2023 Q5c OR

(a)

3 marks

Differentiate GDT and LDT in 80286 Microprocessor

(b)

4 marks

Explain registor organization in 80386 Microprocessor

(c)

7 marksAsked in 2 of 7 papers

Draw and explain pin diagram of 8086 Microprocessor

Also asked in Winter 2024 Q5a OR

More Microprocessor and Interfacing papers

Questions repeat across sessions. Working through two or three papers shows you which topics GTU asks most.

Summer 202670 marks · 5 questions

Winter 202570 marks · 5 questions

Winter 202470 marks · 5 questions

Summer 202470 marks · 5 questions

Other Semester 6 subjects

BE Computer

116AG01

Deep Learning and Neural Network

2160701

Software Engineering

2160704

Theory of Computation

2160707

Advanced Java

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About this paper

Official Gujarat Technological University (GTU) examination paper for Microprocessor and Interfacing (MPI) (Summer 2025, B.E. · Computer Engineering, Sem 6). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.

Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.

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