VTU Microprocessor and ARM processors - December 2015 Exam Question Paper

VTU Computer Science (Semester 4)
Microprocessor and ARM processors
December 2015

Total marks: --
Total time: --

INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary

1 (a) Draw and explain the programming model of 8086 through Pentium processors.

6 M

1 (b) Explain with neat block diagram the working principle of 8086 Architecture.

8 M

1 (c) Discuss the Flag registers of 8086 with examples.

6 M

2 (a) Briefly explain the concept of Memory paging in 80386 microprocessor, with suitable schematic diagram.

8 M

2 (b) Explain the execution of PUSH and POP Instruction, with respect to Stack Addressing mode.

6 M

2 (c) Discuss the Importance of protected mode memory addressing.

6 M

3 (a) Write 8086 ALP for Reverse a string and check is it palindrome.

6 M

3 (b) Explain the following Instructions with examples:
(i) XLAT (ii) LEA (iii) CMP (iv) SAHF.

8 M

3 (c) What are Assember Directives? Explain any four directives with suitable examples.

6 M

4 (a) Explain short, near and far jump instructions with examples.

8 M

4 (b) Discuss the following instructions with examples:
(i) SHR (ii) SHL (iii) RCR (iv) TEST

6 M

4 (c) Briefly explain the string comparison instruction.

6 M

5 (a) Differentiate between Macros and Procedures.

6 M

5 (b) Explain the basic rules for using Assembly language with C/C++ for 16 bit DOS applications with the help of examples.

8 M

5 (c) What is Inline Assembly? Explain its need.

6 M

6 (a) Explain the function of following pins in 8086.
(i) MN/MX (ii) ALE (iii) BHE (iv) INTR.

8 M

6 (b) With neat diagram, explain minimum mode of 8086 system.

7 M

6 (c) Explain Bus timings for Read and Write operation for minimum mode of 8086 system.

5 M

7 (a) Explain any two methods of Address decoding technique with schematic diagram.

8 M

7 (b) Design an 8086 based system with the following specifications:
(i) 8086 in Minimum mode (ii) 64 Kbyte EPROM (iii) 64 Kbyte RAM.
Draw the completer schematic diagram of the design Indicating memory map.

8 M

7 (c) Differentiate between Memory Mapped I/O and Direct I/O.

4 M

8 (a) Explain with neat block diagram the working operation of 8255 PPI.

8 M

8 (b) Discuss the basic DMA controller operation in Microprocessor system.

6 M

8 (c) Explain any three types 8086 Interrupts.

6 M

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