SPPU Information Technology (Semester 4)
Processor Architectures & Interfacing
December 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) What are assembler directives? Explain any 3 directives used in 80386 programming.
6 M
1(b) Differentiate between Procedure and Macros
6 M

2(a) What is the difference between pipelined and non-pipelined bus cycles of 80386? Draw the timing diagram of pipelined bus cycle for write operation.
6 M
2(b) Draw and explain Machine Status Word of 80386 processor.
6 M

3(a) Explain the non-system (Code & data ) segment descriptor in 80386 protection mode.
6 M
3(b) Explain different registers used for paging in 80386 and how page level protectionis achieved.
6 M

4(a) Explain fault, trap and aborts in 80386 processor.
6 M
4(b) What is dual core processor? Explain the features of dual core processor.
6 M

5(a) Explain the function of the following pins of 8051 :
i) PSEN
ii) EA/VPP.
6 M
5(b) Draw and explain architecture of 8051 microcontroller.
7 M

6(a) Explain the following instruction of 8051 microcontroller :
i) XCHD A,
@R1
ii) MOV C, bit
iii) SETB 86h.
6 M
6(b) What is size of internal RAM of 8051? With a suitable diagram explain the organization of internal RAM.
7 M

7(a) Explain SBUF and SCON register of 8051 microcontroller.
6 M
7(b) State and explain SFR's related to Timer/Counter in 8051 microcontroller. List 4 operating modes of timer.
7 M

8(a) Draw and explain the interrupt structure of 8051.
7 M
8(b) How may I/O ports are available in 8051 microcontroller? How to program them as input or output port? Explain alternate functionof port 3pins.
6 M



More question papers from Processor Architectures & Interfacing
SPONSORED ADVERTISEMENTS