Microprocessor - May 2016

Computer Engineering (Semester 5)

TOTAL MARKS: 80
TOTAL TIME: 3 HOURS (1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Assume data if required.
(4) Figures to the right indicate full marks. 1(a) Explain programming model of 8086.(5 marks) 1(b) Explain V86 mode of 808386DX.(5 marks) 1(c) Explain, In brief, pipeline stages on Pentium processor.(5 marks) 1(d) Explain, In brief, data dormat supported by SuperSparc Processor.(5 marks) 2(a) Explain memory segmentation with pros and cons.(8 marks) 2(b) Draw and explain the block diagram of 8255. Also, explain different operating modes of 8255.(12 marks) 3(a) Design 8086 based minimum mode system for following requirements:
(i) 256 KB of RAM using 64 KB × 8-bit device
(ii) 128 KB of RAM using 64 KB × 8-bit device
(iii) Three 8-bit parallel ports using 8255
(iv) Support for 8 interrupts.(12 marks) 3(b) Explain , In brief, cache organization of Pentium processor.(8 marks) 4(a) Draw and explain architecture of SuperSparc processor.(12 marks) 4(c) Discuss , In brief, projection mechanism of 80386DX.(8 marks) 5(a) Draw and explain architecture of pentium processor.(10 marks) 5(b) Draw timing diagram of read operation on 8086 based system.(10 marks)

Write short notes on

6(a) 8089 I/O Processor(5 marks) 6(b) Comparison between i5 and i7(5 marks) 6(c) SuperSparc registers(5 marks) 6(d) 8259 - PIC(5 marks)