University of Rajasthan 2007 B.E Electronic Instrumentation & Control Engineer Advanced Microprocessor - Question Paper
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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. |