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8 of 25 questions on this paper were also asked in other years. 1 more is a type 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
Explain the purpose of the following signals in 8085
Draw the architectural diagram of 8085 microprocessor and list out the following:
Also asked in Winter 2025 Q1c
If an 8085 is an 8 bit microprocessor, how many bits can be loaded by the 3 register pairs (BC, DE, HL, or SP) using LXI?
If an 8085 microprocessor has a 2 MHz crystal frequency, what is the assembly language code required creating a delay of 1 second?
Also asked in Summer 2025 Q3c OR
Draw the interfacing of a 4KB EPROM having a starting address0000h and two 2KB static RAMs having starting addresses 4000hand 8000h, respectively, with 8085 microprocessor. Use demultiplexed address/data lines and use 3-to-8 decoder (74LS138).
Using stack operations, write an 8085 assembly program to set the sign, zero, and parity flags while resetting the auxiliary carry and carry flags.
Can you describe the process by which the 8085 processor executes the CALL instruction, and how does the timing diagram illustrate this sequence of events?
An array of ten data bytes are stored from memory locations 2100H onwards. Write an 8085 assembly language program to find the minimum number from this array and store it to new memory location 2200H.
Can you provide a diagram illustrating the de-multiplexing of the Address/Data bus (AD0-AD7) in the 8085 microprocessor?
Also asked in Winter 2025 Q2b, Summer 2025 Q1c
Explain the different addressing modes available in the 8085 microprocessor, with examples to illustrate each mode.
Also asked in Summer 2026 Q2c, Winter 2025 Q3a OR, Summer 2024 Q2c
Also asked in Summer 2026 Q4b, Summer 2024 Q4a OR, Winter 2023 Q4b OR
Can you provide an example program in assembly language that initializes a single 8259 Programmable Interrupt Controller (PIC) connected to an 8085 processor?
Discuss the operation of the 8255 Programmable Peripheral Interface and how it is interfaced with an 8085 microprocessor. What are the different modes of operation and how are they selected?
How does the instruction sequence MVI A, 07H RLC MOV B, A RLC RLC ADD B Use the values stored in registers A and B to execute a specific mathematical function in an assembly language program?
Describe the importance of bus interface unit (BIU) and execution unit (EU) the 8086 microprocessor.
Also asked in Summer 2026 Q5c
Draw and explain internal architecture and PIN diagram of 8086 microprocessor.
Differentiate between the real mode and protected mode of the 80286 microprocessor.
How the physical addresses are calculated from segment register in 8086 microprocessor?
Also asked in Summer 2026 Q5c OR, Summer 2025 Q5c
Questions repeat across sessions. Working through two or three papers shows you which topics GTU asks most.
BE Computer
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Official Gujarat Technological University (GTU) examination paper for Microprocessor and Interfacing (MPI) (Summer 2023, 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.
3160712 Microprocessor and Interfacing
Official GTU PDF · Summer 2023
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