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Microprocessor - Dec 18
Computer Engineering (Semester 5)
Total marks: 80
Total time: 3 Hours
INSTRUCTIONS
(1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Draw neat diagrams wherever necessary.
1.a.
Draw and explain memory read machine cycle timing diagram in minimum mode of 8086
(5 marks)
00
1.b.
Write a short note on mixed language programming.
(5 marks)
00
1.c.
Explain flag register of 80386 microprocessor
(5 marks)
00
1.d.
Give formats of initialisation command words(ICW's) of 8259 PIC.
(5 marks)
00
2.a.
Explain the maximum mode configuration of 8086 microprocessor.
(10 marks)
00
2.b.
Design 8086 based system for following specifications:
(10 marks)
00
i) 8086 in minimum mode with clock frequency 5MHz.
ii) 64KB EPROM using 16KB X 8 chips
iii) 16KB RAM using 8KB X 8 chips
3.a.
Explain the branch prediction logic used in Pentium processor
(10 marks)
00
3.b.
Draw and explain the block diagram of 8257 DMA controller
(10 marks)
00
4.a.
Explain the modes of operation of 80386 microprocessor
(10 marks)
00
4.b.
(10 marks)
00
i) Explain the I/O mode control word format of 8255 PPI.
ii)Explain the instructions issue algorithm of Pentium processor
5.a.
Differentiate procedure and macro .Write a program to find the factorial of a number using procedure.
(10 marks)
00
5.b.
Explain the interrupt structure of 8086 microprocessor.
(10 marks)
00
6.a. Explain segmentation of 8086 microprocessor.Give its advantages.
6.b. Explain different addressing modes of 8086 microprocessor.
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