ADVANCED MICROPROCESSOR (AMP) MAY 2012 COMPUTER SCIENCE SEMESTER 6

ADVANCED MICROPROCESSOR (AMP) MAY 2012 COMPUTER SCIENCE SEMESTER 6

Con. 3999-12.                                                                                                     GN-7208
                                                    (3 Hours)                                               [Total Marks : 100]

N.B. : (1) Question No. 1 is compulsory.
          (2) Out of remaining six questions, attempt any four questions.
          (3) In all 5 questions to be attempted.
          (4) Figures to the right indicate marks.

1. (a)	Enlist the instruction pairing rules of U and V pipeline in Pentium.	5
(b)	Write short note on Intel's Net burst micro architecture.	5
(c)	Draw the data flow graph for computation of integer power Z = Xn of an	5
	input number X.
(d)	State the use of following x 86 flags :	5
	RF, TF, VM, NT, IOPL.
2. (a)	Explain how the flushing of pipeline is minimized in Pentium architecture.	10
(b)	Explain in brief integer instruction pipeline stages of Pentium processor. List the	10
	steps instruction issue algorithm.
3. (a)	differentiate between Pentium and Pentium pro-processors wrt size of address/data	10
	bus, addressable memory virtual memory, L2 cache, generation, SMP support,
	integer pipeline stages, no. of integer pipes, floating point pipeline stages, no. of
	floating point pipes.
(b)	State the features of Intel ltanium processor. Draw the block diagram of ltanium	10
	processor and explain in brief.
4. (a)	Explain segmentation and paging in protected mode of 80386 processor.	10
(b)	Explain the Debug registers of 80386 DX processor.	10
5. (a)	Consider the following reservation table for a unifunction pipeline :-

	(i) Find the forbidden set of latencies	2
	(ii) State the collision vector	1
	(iii) Draw the state transition diagram	5
	(iv) List simple cycles and greedy cycles	1
	(v) Calculate MAL (minimal average latency).	1
(b)	Explain static data flow computer architecture with example.	10
6. (a)	Differentiate between real mode and protected mode of X 86 family.	10
(b)	Explain Cache organization of Pentium.	10
7.	Write short notes on :-
	(a) Structure of segment descriptor	5
	(b) USB	5
	(c) Layered architecture of SCSI	5
	(d) EISA.	5