Gujarat Technological UniversityWinter 2024 Examination

GTU 3160712 Microprocessor and Interfacing (MPI) Winter 2024 Paper Solution & PDF

B.E. · Computer Engineering · Semester 6 · Subject Code: 3160712
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Total Marks70 MarksExternal theory exam
Passing Marks23 Marks33% minimum cutoff
Exam Duration2.5 Hours2:30 PM – 5:00 PM
Paper Structure5 QuestionsWith internal OR choices
Jump toQ1Q2Q3Q4Q5

Question 1

14 MarksMedium
(a)

List the key parts of a microprocessor and give a short explanation of their functions.

3 Marks
(b)
Explain memory and I/O operations in a microprocessor.
4 Marks
(c)

Describe the architecture of the 8085 microprocessor with a neat diagram.

7 Marks

Question 2

14 MarksMedium
(a)
Explain Assembler, Debugger and Linker with an example.
3 Marks
(b)
Explain Read/ Write control signals for memory and I/O.
4 Marks
(c)
Draw and Explain Timing Diagram of MVI A, 45h.
7 Marks
OR OPTION
(c)

Identify the machine cycles in the following instructions

1SUB B
2ADI 47H
3STA 2050H
4PUSH B
7 Marks

Question 3

14 MarksMedium
(a)

Explain the function of the program counter and stack pointer in the 8085 microprocessor.

3 Marks
(b)

Describe the instruction cycle and machine cycles of the 8085 microprocessor.

4 Marks
(c)

Create an assembly program that demonstrates the process of demultiplexing the address and data bus in the 8085 microprocessor, and provide an explanation of how it works.

7 Marks
OR OPTION
(a)

What is the role of the ALU and control unit in the 8085 microprocessor?

3 Marks
(b)
Explain the memory interfacing with the 8085 microprocessor.
4 Marks
(c)

Construct an 8085-assembly language program that takes two values and executes arithmetic addition, subtraction, and a logical AND operation.

7 Marks

Question 4

14 MarksMedium
(a)

Define I/O ports and describe their role in the process of microprocessor interfacing.

3 Marks
(b)
Explain the working of the 8255 Programmable Peripheral Interface.
4 Marks
(c)

Discuss the interrupt architecture of the 8085 microprocessor, focusing on both hardware and software interrupt types.

7 Marks
OR OPTION
(a)

Define the concepts of stack and subroutines in the context of the 8085 microprocessor.

3 Marks
(b)

Describe how the 8259A Programmable Interrupt Controller functions and how it is utilized in microprocessor systems.

4 Marks
(c)

Create an 8085-assembly language routine to implement a delay, utilizing both counters and the stack.

7 Marks

Question 5

14 MarksMedium
(a)
Describe the concept of segmentation in the 8086 microprocessor.
3 Marks
(b)

Compare the minimum mode and maximum mode of the 8086 microprocessor.

4 Marks
(c)

Summarize the architecture and programming model of the 80386 microprocessor.

7 Marks
OR OPTION
(a)
Describe the pin configuration of the 8086 microprocessor in detail.
3 Marks
(b)

How does the 80286 microprocessor improve upon the 8086, particularly in terms of memory management?

4 Marks
(c)

Summarize the programming model and data types available in the 80286 microprocessor.

7 Marks
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About this Examination Paper & Attribution

Official Gujarat Technological University (GTU) examination paper and step-by-step solutions for Microprocessor and Interfacing (MPI) (Winter 2024, 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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