MU Computer Engineering (Semester 5)
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) Explain programming model of 8086.
5 M
1(b) Explain V86 mode of 808386DX.
5 M
1(c) Explain, In brief, pipeline stages on Pentium processor.
5 M
1(d) Explain, In brief, data dormat supported by SuperSparc Processor.
5 M

2(a) Explain memory segmentation with pros and cons.
8 M
2(b) Draw and explain the block diagram of 8255. Also, explain different operating modes of 8255.
12 M

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 M
3(b) Explain , In brief, cache organization of Pentium processor.
8 M

4(a) Draw and explain architecture of SuperSparc processor.
12 M
4(c) Discuss , In brief, projection mechanism of 80386DX.
8 M

5(a) Draw and explain architecture of pentium processor.
10 M
5(b) Draw timing diagram of read operation on 8086 based system.
10 M

Write short notes on
6(a) 8089 I/O Processor
5 M
6(b) Comparison between i5 and i7
5 M
6(c) SuperSparc registers
5 M
6(d) 8259 - PIC
5 M



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