University of Rajasthan 2007 B.E Electronic Instrumentation %26amp%3B Control Engineer Advanced Microprocessor - Question Paper

FOURTH B.E.(VII SEMESTER)(MAIN/BACK) EXAMINATION,2007

(New 4 Year Semester Scheme)

(Exam. of 2007 held in Jan. 2008)

[Branch: Electronic Instrumentation & Control Engineering]

Paper V

ADVANCED MICROPROCESSOR

Time Allowed: 3 Hours

Maximum Marks-80

Attempt any 5 ques..
All ques. carry equal marks.



1.(a) discuss the operation of the subsequent pins of 8086 microprocessor:-

(i) INTR

(ii) M/IO'

(iii) Status lines (S2',S1',S0')

(iv) BHE'/S7 [Marks:4*2]

(b) discuss the physical memory organization in an 8086 system. [Marks:8]


2.(a) discuss the subsequent addressing modes with suitable examples:-

(i) Indexed

(ii) Register-relative

(iii) Based indexed

(iv) Relative based indexed. [Marks:4*2]

(b) What is interrupt vector table of 8086? discuss its structure. [Marks:8]


3.(a) discuss the operation of the subsequent instructions along with their accurate syntax:-

(i) LEA

(ii) XCHG

(iii) DAS

(iv) MOVSW [Marks:4*2]

(b) Write an 8086 program to obtain out the largest number from an underscored array of 16-bit numbers stored sequentially in the memory locations starting at offset 0500H in the segment 2000H. Also draw the flowchart for the above program. [Marks:8]


4. It is needed to interface 2 chips of 32K*8 ROM and 4 chips of 32K*8 RAM with 8086 according to the subsequent map:-

ROM one and 2: F0000H-FFFFFH

RAM one and 2: D0000H-DFFFFH

RAM three and 4: E0000H-EFFFFH

show the implementation of this memory system. [Marks:16]


5.(a) Draw and discuss the block diagram of ADC 0808/0809. [Marks:8]

(b) discuss the subsequent registers of 80386:-

(i) Segment descriptor register

(ii) Control register

(iii) System address register

(iv) Debug and test register [Marks:4*2]


6.(a) discuss the protected mode of 80386 without paging unit. [Marks:8]

(b) discuss the process of converting a linear address to a physical address for 80386. [Marks:8]


7.(a) discuss the register organization of 80486 with the help of a diagram. [Marks:8]

(b) Draw and discuss Pentium CPU Architecture. [Marks:8]


8. Write short note on any 2 of the following:-

(a) Min/Max mode of 8086

(b) Keyboard and display interface

(c)Rs232 communication standard. [Marks:2*8]

Earning:   Approval pending.