Microprocessor SPPU Insem Question Paper Apr 2023

Questions

1. Q1

   1. a)

      Explain the architecture of the 80386 microprocessor with an appropriate diagram.

      Also asked:Apr 2026

      [5]
   2. b)

      Describe the following addressing modes of 80386 with example i) Index addressing mode ii) Direct addressing mode iii) Based index mode

      Also asked:Apr 2026

      [6]
   3. c)

      Describe the use of various 80386 Data Movement Instructions in assembly language programming with examples.

      [4]
   OR

2. Q2

   1. a)

      Describe the various operating modes of 80386.

      [5]
   2. b)

      Describe the following addressing modes of 80386 with example i) Register addressing mode ii) Register Indirect addressing mode iii) Immediate addressing mode

      Also asked:Apr 2026

      [6]
   3. c)

      Explain the General Registers and Segment Registers of 80386 with an appropriate diagram.

      [4]

3. Q3

   1. a)

      Explain the 80386 processor state after Reset.

      Also asked:Apr 2026

      [5]
   2. b)

      Draw and Explain Read Cycle with non-pipelined address timing.

      Also asked:Apr 2026

      [5]
   3. c)

      Draw and Explain Control Registers of 80386.

      [5]
   OR

4. Q4

   1. a)

      Explain the following signals i) INTR ii) ADS# iii) READY# iv) HOLD v) NMI

      [5]
   2. b)

      Draw and explain the Write Cycle with non-pipelined address timing.

      Also asked:Apr 2026

      [5]
   3. c)

      Draw and Explain Debug Registers of 80386. 

      Also asked:Apr 2026

      [5]