Microprocessor Architecture - May 2014

Computer Engineering (Semester 3)

TOTAL MARKS: 100
TOTAL TIME: 3 HOURS (1) Question 1 is compulsory.
(2) Attempt any four from the remaining questions.
(3) Assume data wherever required.
(4) Figures to the right indicate full marks.

Answer any one answer from Q1 and Q2

1 (a) How many segment registers are used by 8086 ? Mention their use.(3 marks) 1 (b) Explain the different operating modes of 80386.(6 marks) 1 (c) What is the use of task gate?(3 marks) 2 (a) What is the difference between Min mod e and Max mode of 8086?(4 marks) 2 (b) Explain the various data types supported by 80386.(5 marks) 2 (c) What is LDT descriptor ?(3 marks)

Answer any one answer from Q3 and Q4

3 (a) Enlist the differences between pipelined and non pipelined machine cycle.(4 marks) 3 (b) Draw the timing diagram for read cycle with non pipe lined address.(5 marks) 3 (c) Enlist the program flow control instructions.(3 marks) 4 (a) What is the use of HOLD and HLDA instruction?(3 marks) 4 (b) Draw the timing diagram for non pipelined write cycle.(5 marks) 4 (c) How to define and use the macro in assembly language programming?(4 marks)

Answer any one answer from Q5 and Q6

5 (a) What are the differences between dual and quad core CMP?(3 marks) 5 (b) What are different architectures of multicore ? Explain.(6 marks) 5 (c) What are the advantages of cache memory?(4 marks) 6 (a) What are the advantages of multicore designing?(3 marks) 6 (b) Give the features of parallel programming with diagram.(6 marks) 6 (c) What is front side bus back side bus BSB?(4 marks)

Answer any one answer from Q7 and Q8

7 (a) Briefly explain the compatibility mode and 64-bit mode of IA 64 Architecture.(3 marks) 7 (b) Explain the execution model of SIMD with neat diagram.(6 marks) 7 (c) What are the advantages of hyper threading technology?(4 marks) 8 (a) What are the features of Intel Microarchiteture code name Nehalem?(3 marks) 8 (b) Give the features of SSE.(6 marks) 8 (c) What are the advantages virtualization technology?(4 marks)