GTU Electronics and Communication Engineering (Semester 8)
Advanced Microprocessor
December 2014
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) (i) What is the main difference between 8086 and 8088 microprocessors?
3 M
1 (a) (ii) What do you mean by the term assembler directives?
2 M
1 (a) (iii) What are the advantages of segmentation in 8086?
2 M
1 (b) Explain following instructions.
(i) LOCK (ii) JNS (iii) XLAT (iv) STI
7 M

2 (a) In how many functional groups we can divide the 8086 instructions? List each functional group with one example of each.
7 M
2 (b) Short note on 8086 memory banks.
7 M
2 (c) Explain block diagram of clock generator 8284.
7 M

3 (a) Explain the function of following pins of 8086.
(i) Ready (ii) INTR (iii) S3 and S4 (iv) NMI
(v) RESET (vi) HLDA (vii) QS 1 and QS0
7 M
3 (b) Develop assembly language program that uses the REPEAT-UNTIL construct to copy the contents of byte sized memory Block-A into byte sized memory Block-B until a 00H is moved.
7 M
3 (c) (i) Re-entrant and recursive procedure.
3 M
3 (c) (ii) Short note on macro.
4 M
3 (d) Write assembly language program to find minimum number from TEN bytes of Array.
7 M

4 (a) Describe the interrupts and interrupt response of an 8086 family processor.
7 M
4 (b) Write assembly language program to convert given string from uppercase to Lowercase.
7 M
4 (c) Discuss 8086 loop instructions and how they are useful to generate delay?
7 M
4 (d) Write assembly language program to find number of ones in given byte.
7 M

5 (a) (i) Contrast the Pentium with the Pentium Pro Microprocessor.
4 M
5 (a) (ii) List the special features of Pentium processors.
3 M
5 (b) Write short note on 80486 Microprocessor.
7 M
5 (c) Explain Memory Management in 80386 Microprocessor.
7 M
5 (d) Explain basic block diagram of 80186.
7 M



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