GTU Advanced Microprocessor - May 2016 Exam Question Paper

GTU Electronics and Communication Engineering (Semester 8)
Advanced Microprocessor
May 2016

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) (i) Explain Flag register.

2 M

1 (a) (ii) If CS=3000H & IP=2500H in 8086 find logical address, physical address, lower & upper ranges of code segment.

2 M

1 (a) (ii) What is status of CS and IP register when 8086 microprocessor is reset?

2 M

1 (b) Draw and explain 8086 operating in minimum mode system. Also draw its read timing diagram cycles.

7 M

2 (a) Explain the function of following signals
i) DT/R ii) DEN iii) RQ/GT BHE

7 M

Solve any one question from Q2(b) & Q2(c)

2 (b) List different string instruction and explain them.

7 M

2 (c) Write an assembly language program to reverse 32 bit number.

7 M

Solve any two question from Q3(a), Q3(b) & Q3(c), Q3(d)

3 (a) Design an interface between 8086 CPU and two chips of 16×8 EPROM and two chips of 32k×8 RAM. Select the starting address of EPROM F80000H. The RAM address must start at 00000H.

7 M

3 (b) Explain following:
(i) LOOP (ii) PTR (iii) XLAT (iv) WAIT

7 M

3 (c) Write an ALP to find weather a given string is palindrome or not?

7 M

3 (d) State difference between 8086 and 8088 microprocessor? Draw typical maximum mode 8088 system.

7 M

Solve any two question from Q4(a), Q4(b) & Q4(c), Q4(d)

4 (a) What is interrupt? Explain interrupt vectors and vector table in detail.

7 M

4 (b) Describe in detail with suitable formats how linear address is converted into physical address with reference to 80386 microprocessor.

7 M

4 (c) State different descriptor table. Explain Local and Global Descriptor table in detail for 80286.

7 M

4 (d) Write short note on 80486 microprocessor.

7 M

Solve any two question from Q5(a), Q5(b) & Q5(c), Q5(d)

5 (a) What is virtual mode addressing? What are the steps taken in moving to protected mode from real mode?

7 M

5 (b) Draw Pentium system architecture and explain its pipeline mechanism.

7 M

5 (c) Describe in detail the differences between Pentium II, Pentium III, Pentium 4 and Core 2 microprocessors.

7 M

5 (d) Explain the following terms.
(i) Task Privilege (ii) Descriptor Privilege (iii) Selector Privilege.

7 M

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