SPPU Computer Engineering (Semester 3)
Microprocessor Architecture
December 2013
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


Answer any one answer from Q1 and Q2
1 (a) Define microprocessor. Give some features of 8086 microprocessor.
3 M
1 (b) Explain Memory organization and segmentation in 80386DX.
6 M
1 (c) What are the different types of descriptors?
3 M

2 (a) Enlist the difference between 8086 and 80386.
3 M
2 (b) Draw the functional block diagram of 80386DX and explain the main functional Units.
6 M
2 (c) What is TSS descriptor?
3 M

Answer any one answer from Q3 and Q4
3 (a) What are the characteristics of address pipelining in 80386DX?
4 M
3 (b) Draw the timing diagram for write cycle with pipelined address.
5 M
3 (c) What is the use of bit test and modify instructions.
3 M

4 (a) How IMUL is different from MUL?
3 M
4 (b) Draw the timing diagram for read cycle with pipelined address.
5 M
4 (c) Compare procedure and macro in assembly language programming.
4 M

Answer any one answer from Q5 and Q6
5 (a) What are the advantages of multicore designing?
3 M
5 (b) What are the three common configuration that support multiprocessing? Explain.
6 M
5 (c) What is single instruction multiple Data model for parallel programming?
4 M

6 (a) Define Chip Multiprocessors (CMPs).
3 M
6 (b) What is Front side bus Back side bus BSB and I/O bus?
6 M
6 (c) What is multiprogramming and multiprocessor?
4 M

Answer any one answer from Q7 and Q8
7 (a) What are the differences between IA-32 Basic Execution environment and 64 bit mode execution environment?
3 M
7 (b) Draw and explain the block diagram of 64 bit architecture.
6 M
7 (c) Explain virtualization technology.
4 M

8 (a) List features of SSE.
3 M
8 (b) Describe the Intel Microarchitecture code name Nehalem.
6 M
8 (c) What are the advantages and disadvantages of Hyper threading.
4 M



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